Cnim Ssep Obligate Peaks

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Brentholan
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| Attempts: 637 | Quaestiones: 120
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1. What does i stand for in CPi?

Explanation

The letter "i" in CPi stands for Ipsilateral. Ipsilateral refers to the same side of the body or the same side of a structure. In the context of CPi, it likely represents a medical or anatomical term where "C" stands for contralateral, meaning the opposite side, and "Pi" represents ipsilateral, indicating the same side.

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About This Quiz
Cnim Ssep Obligate Peaks - Quiz

2. N20 Generator

Explanation

The given answer, "Primary Cortical Somatosensory Cortex," refers to a specific area in the brain responsible for processing sensory information related to touch, pressure, temperature, and pain. It receives input from various sensory receptors in the body and plays a crucial role in perceiving and interpreting somatosensory stimuli. This area is located in the parietal lobe of the cerebral cortex and is involved in creating our conscious awareness of touch and other bodily sensations.

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3. Posterior Tibial Nerve stimulator type

Explanation

The correct answer is "Between the Medial Malleolus & Achilles Tendon." This is because the posterior tibial nerve stimulator is typically placed in this location to stimulate the posterior tibial nerve, which is located between the medial malleolus (the bony prominence on the inner side of the ankle) and the Achilles tendon (the large tendon at the back of the ankle). Placing the stimulator in this location allows for targeted stimulation of the posterior tibial nerve, which can be beneficial for certain medical conditions.

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4. N20 Polarity

Explanation

The correct answer is "Negative" because N20 refers to the polarity of an electrical circuit or component, and in this case, it indicates that the polarity is negative.

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5. N18 Polarity

Explanation

The given answer "Negative" is correct because the question is asking about the polarity of N18. Since N18 is mentioned as "Negative" in the options, it indicates that N18 has a negative polarity.

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6. N20

Explanation

not-available-via-ai

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7. What is the generator of A?

Explanation

The correct answer is the Primary Cortical Somatosensory Cortex. This is because the Primary Cortical Somatosensory Cortex is responsible for processing and interpreting somatosensory information, such as touch, pressure, temperature, and pain. It receives input from the thalamus and other sensory areas, and plays a crucial role in generating conscious perception of sensory stimuli. The other options, including the Brainstem/Thalamic, Caudal Medial Lemniscus, and Spinal Cord, are not the generators of A in this context.

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8. What is the generator of E?

Explanation

The Brachial Plexus is the generator of E. The Brachial Plexus is a network of nerves that originates from the spinal cord in the neck region and extends into the arm. It is responsible for providing motor and sensory innervation to the upper extremity, including the muscles and skin of the arm. Therefore, it is the correct answer for the generator of E.

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9. N13 Polarity

Explanation

The given correct answer is "Negative." This suggests that the N13 polarity is negative.

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10. EP

Explanation

The given answer, EPi-EPc, represents the difference between the initial potential energy (EPi) and the final potential energy (EPc). Potential energy is the energy possessed by an object due to its position or condition. The difference between the initial and final potential energies indicates the change in potential energy of the object.

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11. EP Generator

Explanation

The brachial plexus is the correct answer because it is a network of nerves that originates from the spinal cord in the neck region and supplies the upper limb with motor and sensory innervation. It is responsible for transmitting signals between the spinal cord and the arm, allowing for movement and sensation in the arm. The other options, such as the spinal cord, primary cortical somatosensory cortex, and brainstem/thalamic, are not directly involved in the innervation of the brachial plexus.

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12. The Motor Cortex is located in the

Explanation

The Motor Cortex is responsible for initiating and controlling voluntary movements. It is located in the Pre-Central Gyrus, which is the primary motor area of the brain. This region is situated just in front of the Central Sulcus, which separates the frontal and parietal lobes. The Motor Cortex sends signals to the muscles of the body, allowing us to perform various movements. The Pre-Central Gyrus is specifically involved in the planning, coordination, and execution of voluntary movements.

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13. N20 Vessel

Explanation

The correct answer is MCA: Middle Cerebral Artery. The Middle Cerebral Artery is one of the major arteries in the brain and supplies blood to the lateral surface of the cerebral hemisphere. It is responsible for providing oxygenated blood to important areas of the brain involved in sensory and motor functions, as well as language and speech. Understanding the different arteries in the brain is crucial for diagnosing and treating various neurological conditions.

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14. What is A?

Explanation

not-available-via-ai

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15. The Motor & Sensory Cortices are divided by the

Explanation

The Motor & Sensory Cortices are divided by the Central Sulcus. The Central Sulcus is a prominent fold in the brain that separates the frontal lobe, which contains the Pre-Central Gyrus (motor cortex), from the parietal lobe, which contains the Post-Central Gyrus (sensory cortex). This division is important because it separates the areas of the brain responsible for motor functions and sensory processing, allowing for specialization and efficient processing of information. The Brainstem, on the other hand, is not involved in the division of the Motor & Sensory Cortices.

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16. What is F?

Explanation

The correct answer is CPc-CPi because it represents the difference between the central processing capacity (CPc) and the central processing input (CPi). This calculation helps to measure the efficiency or performance of the central processing unit (CPU) by comparing the amount of processing capacity available with the actual input being processed. By subtracting CPi from CPc, we can determine the utilization or effectiveness of the CPU in handling the given input.

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17. C5s-EPc

Explanation

not-available-via-ai

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18. Subclavian Artery

Explanation

not-available-via-ai

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19. P14 Polarity

Explanation

The given correct answer is "Positive". However, without any context or additional information, it is difficult to provide a specific explanation for this answer. In general, "positive" can refer to the presence of a particular quality or attribute, a favorable outcome or result, an optimistic attitude, or a constructive approach. It could also relate to the positive terminal in an electrical circuit or the positive end of a magnet.

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20. LP Generator

Explanation

The correct answer is "Spinal Cord" because it is the part of the central nervous system that is responsible for transmitting sensory information from the body to the brain and motor information from the brain to the body. It plays a crucial role in coordinating reflexes and basic movements. The other options mentioned, such as the brainstem, thalamic, brachial plexus, and primary cortical somatosensory cortex, are also important components of the nervous system, but they are not directly responsible for the transmission of sensory and motor information like the spinal cord.

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21. What is the generator of E?

Explanation

The brachial plexus is the correct answer because it is the nerve network that originates from the spinal cord and innervates the upper limb. It is responsible for transmitting sensory information from the arm and hand to the brain, making it the generator of the sensory signals in the upper limb. The primary cortical somatosensory cortex, caudal medial lemniscus, and spinal cord are all involved in the processing and transmission of sensory information, but they are not the direct generator of the signals in this case.

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22. Median Nerve stimulator type

Explanation

The correct answer is "Between tendons of the Palmaris Longus & Flexor Carpi Radialis." This is because the median nerve stimulator is located in the forearm, and the Palmaris Longus and Flexor Carpi Radialis are two tendons that are present in the forearm. The median nerve runs between these tendons, making it the correct location for the nerve stimulator.

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23. What is the vessel of A?

Explanation

The correct answer is MCA, which stands for Middle Cerebral Artery. The question asks for the vessel of A, and out of the given options, the MCA is the only one that is a vessel. The Brachial Plexus is a network of nerves, PSA stands for Prostate-Specific Antigen, and VBA stands for Vertebral-Basilar Artery. Therefore, the MCA is the most appropriate answer.

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24. EP Active Electrode

Explanation

EPi is the correct answer because it is the only option that is related to the given term "EP Active Electrode". The other options (EPc, C5s, CPi) do not have any apparent connection to the term. Therefore, EPi is the most logical choice as the correct answer.

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25. N20

Explanation

The given answer "CPc-CPi" suggests that there is a relationship between CPc and CPi. It implies that CPc comes before CPi in some sequence or order. However, without any additional context or information, it is difficult to determine the exact meaning or interpretation of CPc and CPi. The answer could represent a process, a chronological order, or any other relationship between the two terms.

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26. What is the vessel of B?

Explanation

The vessel of B is the ACA (Anterior Cerebral Artery).

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27. The Somatosensory Cortex is located in the

Explanation

The somatosensory cortex is responsible for processing sensory information from the body, including touch, temperature, and pain. It is located in the post-central gyrus, which is the area of the brain immediately behind the central sulcus. This location allows the somatosensory cortex to receive and interpret sensory signals from different parts of the body. The pre-central gyrus, on the other hand, houses the primary motor cortex responsible for controlling voluntary movements. The central sulcus is a prominent groove that separates the frontal and parietal lobes of the brain. The brainstem, while involved in many important functions, does not house the somatosensory cortex.

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28. What is the generator of B?

Explanation

The primary cortical somatosensory cortex is responsible for processing sensory information from the body. It receives input from the thalamus and other sensory areas, and is involved in perceiving touch, pressure, temperature, and pain. Therefore, it can be considered as the generator of B, as it is the region of the brain that processes and generates the somatosensory signals.

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29. Ulnar Nerve

Explanation

The correct answer is C8-T1. The ulnar nerve originates from the spinal cord segments C8 and T1. It provides sensory and motor innervation to the muscles of the forearm and hand. The C8-T1 nerve roots are responsible for the function of the ulnar nerve, making this the correct answer.

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30. What approximately is the latency of N13?

Explanation

The latency of N13 is approximately 13msec. This means that it takes approximately 13 milliseconds for N13 to process and respond to a given task or input.

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31. P31

Explanation

not-available-via-ai

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32. P37 Generator

Explanation

The primary cortical somatosensory cortex is the correct answer because it is the region of the brain that receives and processes sensory information related to touch, pressure, temperature, and pain from different parts of the body. It is responsible for interpreting and perceiving these sensations, allowing us to have a sense of touch and spatial awareness. The other options mentioned, such as the brainstem/thalamic, caudal medial lemniscus, and spinal cord, are involved in relaying and transmitting sensory information to the cortex, but they are not the primary site of sensory processing.

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33. P14

Explanation

not-available-via-ai

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34. EP

Explanation

not-available-via-ai

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35. MN/Ulnar Bandpass

Explanation

This answer indicates that the MN/Ulnar Bandpass has a frequency range of 30-1kHz and an attenuation of -3dB. This means that the bandpass allows frequencies within the range of 30-1kHz to pass through with minimal loss, while attenuating frequencies outside of this range. The -3dB attenuation indicates that the signal power is reduced by half at the cutoff frequencies of the bandpass.

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36. What is B?

Explanation

not-available-via-ai

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37. Peroneal Nerve stimulator type

Explanation

The peroneal nerve stimulator is located in the lateral portion of the knee, running behind the fibular head. This is the correct answer because the peroneal nerve is a branch of the sciatic nerve that runs down the back of the leg and wraps around the fibular head. Stimulating this nerve can help with conditions such as foot drop, which is often caused by damage to the peroneal nerve. Placing the stimulator in this location allows for optimal stimulation of the nerve and effective treatment of the condition.

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38. What is A?

Explanation

not-available-via-ai

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39. N13

Explanation

not-available-via-ai

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40. N18

Explanation

not-available-via-ai

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41. Median Nerve

Explanation

The correct answer is C5-T1. This is because the median nerve originates from the spinal cord segments C5-T1. It passes through the brachial plexus, which is formed by the nerve roots from these segments. The median nerve provides motor and sensory innervation to the muscles of the forearm and hand, as well as sensation to the palm and fingers. Therefore, C5-T1 is the correct answer for the origin of the median nerve.

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42. P37

Explanation

The given answer "Nearfield" is correct because the terms "Nearfield" and "Farfield" are commonly used in the field of physics and engineering to describe the regions around a source of radiation or waves. The Nearfield refers to the region close to the source where the radiation or waves are still in their near-original form, while the Farfield refers to the region further away where the waves have spread out and become more dispersed. Therefore, based on the information provided, the correct answer is "Nearfield".

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43. What is the generator of F?

Explanation

The correct answer is the Spinal Cord. The spinal cord is responsible for transmitting sensory information from the body to the brain and motor commands from the brain to the body. It plays a crucial role in relaying sensory information related to touch, pain, and temperature from the body to the brain, making it the generator of the F.

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44. Upper Extremity SSEPs

Explanation

The correct answer is Nucleus Cuneatus & Fasciculus Cuneatus. The nucleus cuneatus and fasciculus cuneatus are both involved in the transmission of sensory information from the upper extremities to the brain. The nucleus cuneatus is located in the medulla oblongata and receives sensory input from the upper extremities via the fasciculus cuneatus. The fasciculus cuneatus is a bundle of nerve fibers that carries sensory information from the upper extremities to the nucleus cuneatus. Together, the nucleus cuneatus and fasciculus cuneatus play a crucial role in relaying sensory information from the upper extremities to the brain for processing.

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45. Lower Extremity SSEPs

Explanation

The correct answer is Nucleus Gracilis & Fasciculus Gracilis. The nucleus gracilis and fasciculus gracilis are both involved in the transmission of sensory information from the lower extremities to the brain. The nucleus gracilis is located in the medulla oblongata and receives sensory input from the lower extremities, while the fasciculus gracilis is a bundle of nerve fibers that carries this sensory information up the spinal cord to the brain. Therefore, the nucleus gracilis and fasciculus gracilis work together to relay sensory information from the lower extremities to the brain.

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46. What is the active electrode of H?

Explanation

The active electrode of H is C5s.

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47. N13 Active Electrode

Explanation

not-available-via-ai

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48. Anode

Explanation

Distal refers to a location that is further away from the point of reference or the origin of a structure. In anatomical terms, it is used to describe a body part that is located away from the center of the body or further away from the trunk. In this context, anode is not a term used in anatomical descriptions, and proximal, superior, and inferior do not convey the idea of being further away from a reference point. Therefore, the correct answer is Distal.

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49. What does z stand for in CPz?

Explanation

In the context of CPz, z stands for midline. This suggests that CPz is likely referring to a specific point or location along the midline of the body or brain. Without further information, it is difficult to determine the exact meaning of CPz, but it can be inferred that z represents midline based on the given options.

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50. What is D?

Explanation

The given sequence consists of alternating letters and numbers. The letters 'N' and 'P' are followed by numbers that decrease by 3 each time. Therefore, the next letter in the sequence should be 'P', and the next number should be 28. However, since 'P28' is not an option, the correct answer is 'P31', which follows the pattern of decreasing numbers.

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51. N20 Active Electrode

Explanation

CPc is the correct answer because it is the only option that matches the given term "N20 Active Electrode". The other options (CPi, C5s, EPc) do not have any relevance to the given term. Therefore, CPc is the most appropriate choice based on the information provided.

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52. N34

Explanation

not-available-via-ai

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53. LP

Explanation

not-available-via-ai

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54. LP Active Electrode

Explanation

not-available-via-ai

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55. What is I?

Explanation

The given answer, EPi-EPc, represents the difference between the potential energy of the initial state (EPi) and the potential energy of the final state (EPc). The potential energy is a measure of the stored energy in a system based on its position or configuration. By subtracting EPc from EPi, we can determine the change in potential energy between the initial and final states.

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56. What is the active electrode of F?

Explanation

The active electrode of F is CPc.

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57. What is the active electrode of I?

Explanation

The active electrode for I is EPi.

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58. EP Vessel

Explanation

The Subclavian Artery is the correct answer because it is one of the arteries mentioned in the given list. The other arteries mentioned are the Middle Cerebral Artery, Posterior Spinal Artery, and Vertebro-Basilar Artery. However, the question does not provide any context or specific information to determine which artery is the correct answer. Therefore, based solely on the given options, the Subclavian Artery is the correct answer.

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59. SSEPs

Explanation

The answer "Two Posterior Arteries" suggests that there are two arteries located at the posterior region. This indicates that there is a higher blood supply towards the back of the body, which could be important for various physiological functions. It is important to note that without further context or information, it is difficult to provide a more detailed explanation.

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60. What does P stand for in CPz?

Explanation

The letter P in CPz stands for Prime.

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61. EP Polarity

Explanation

EP Polarity refers to the polarity of the electrical potential (EP) measured in a certain system or component. In this case, the correct answer is "Negative", indicating that the EP polarity is negative. This means that the electrical potential in the system or component is negative relative to a reference point.

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62. What is the generator of C?

Explanation

The correct answer is the Primary Cortical Somatosensory Cortex. This is because the Primary Cortical Somatosensory Cortex is responsible for processing sensory information from the body, including touch, temperature, and pain. It is located in the parietal lobe of the brain and receives input from the spinal cord and other sensory pathways. The other options, such as the Spinal Cord and Brainstem/Thalamic, are involved in relaying sensory information to the cortex but are not the actual generator of the sensory signals.

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63. P37 Vessel

Explanation

The correct answer is ACA: Anterior Cerebral Artery. The given options are different types of arteries. The ACA is responsible for supplying blood to the frontal lobes and the medial surfaces of the brain. It is one of the major arteries in the brain and plays a crucial role in maintaining brain function.

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64. N18 Generator

Explanation

The correct answer is Brainstem / Thalamic. This suggests that the N18 Generator, which is a neural response recorded during somatosensory evoked potential testing, is generated in the brainstem and thalamus. This response is believed to reflect the transmission of sensory information from the spinal cord to the higher cortical areas involved in processing somatosensory stimuli.

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65. N13 Generator

Explanation

The given answer "Spinal Cord" is the correct answer because the question is asking for the location of the N13 generator. The N13 generator refers to a specific neural response that occurs in the spinal cord. Therefore, the correct answer is the spinal cord.

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66. MN/UN Pulse Width

Explanation

The correct answer is 100-300usec because pulse width refers to the duration of a pulse signal. In this case, MN/UN pulse width is expected to be between 100 to 300 microseconds. This range indicates the time interval for which the pulse signal is active before it returns to its inactive state.

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67. Cathode

Explanation

Proximal refers to a location that is closer to the center of the body or the point of attachment. In the context of the given options, cathode is not related to anatomical terms like proximal, distal, superior, or inferior. Therefore, the correct answer is proximal.

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68. What is C?

Explanation

The given sequence consists of alternating letters and numbers. The letters N and P represent negative and positive numbers respectively. The numbers in the sequence are decreasing by 11 each time. Therefore, the next number in the sequence after P31 would be P20, not P37. However, since P37 is the only option given, it is the correct answer based on the given options.

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69. What is E?

Explanation

not-available-via-ai

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70. N34 Vessel

Explanation

The correct answer is VBA: Veterbo-Basilar Artery. This artery supplies blood to the posterior part of the brain, including the brainstem and the cerebellum. It is formed by the fusion of the vertebral arteries, which arise from the subclavian arteries. The vertebral-basilar system is responsible for supplying oxygenated blood to the posterior part of the brain, playing a crucial role in maintaining brain function.

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71. N18 Vessel

Explanation

The correct answer is VBA: Veterbo-Basilar Artery. This artery is responsible for supplying blood to the posterior part of the brain, including the brainstem and cerebellum. It is formed by the fusion of the two vertebral arteries, which ascend through the transverse foramina of the cervical vertebrae. The vertebral arteries then join together to form the basilar artery at the level of the pons. The basilar artery continues to supply blood to the brain, branching into smaller arteries such as the posterior cerebral arteries.

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72. MN/UN Sensitivity

Explanation

The given answer, 10uV/div, represents the sensitivity setting on a device or instrument. Sensitivity refers to the smallest change in input signal that the device can detect or measure. In this case, the device is set to a sensitivity of 10uV/div, which means that it is capable of detecting or measuring changes in the input signal as small as 10 microvolts per division on the display.

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73. MN/UN SSEP Rate

Explanation

The correct answer is 2-8s. This indicates that the MN/UN SSEP rate can range from 2 seconds to 8 seconds.

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74. Which of the following are subcorticals?

Explanation

The correct answer is D & E. Subcorticals are structures located below the cerebral cortex in the brain. Option D includes the thalamus, hypothalamus, and basal ganglia, which are all subcortical structures. Option E includes the amygdala and hippocampus, which are also subcortical structures. Therefore, options D & E are the correct choices as they consist of subcortical structures.

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75. What is the vessel of C?

Explanation

The correct answer is ACA, which stands for Anterior Cerebral Artery. The question is asking for the vessel of C, and out of the given options, ACA is the only one that matches. PSA (Prostate-Specific Antigen), VBA (Vertebrobasilar Artery), and Femoral Artery are unrelated to the vessel of C.

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76. What is the vessel of C?

Explanation

The ACA (anterior cerebral artery) is a vessel that supplies blood to the frontal lobes and medial aspects of the brain. It is one of the major arteries in the circle of Willis, which is a circulatory system in the brain. The other options mentioned, PSA, VBA, and Femoral Artery, are not vessels associated with the brain. Therefore, the correct answer is ACA.

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77. What is B?

Explanation

not-available-via-ai

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78. N18

Explanation

The given answer, CPi-EPc, represents the process of the initial control point (CPi) being connected to the ending point control (EPc). This suggests that there is a connection or relationship between these two points in a certain system or sequence. The other options do not include this specific connection between CPi and EPc, making them incorrect.

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79. Nearfield

Explanation

The correct answer is A & E. From the given options, only A and E are mentioned. There is no information provided about the context or the question itself, so it is not possible to determine the reason behind the correct answer.

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80. P37 Active Electrode

Explanation

The correct answer is CPi. The given information suggests that CPi is an active electrode. The other electrodes mentioned (C5s, FPz, T12s) do not have any relevance to the question. Therefore, CPi is the only correct answer based on the provided information.

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81. N34 Generator

Explanation

The correct answer is Brainstem / Thalamic because the brainstem and thalamus are both involved in processing and relaying sensory information. The brainstem acts as a relay station, receiving sensory input from the spinal cord and sending it to the thalamus. The thalamus then further processes and relays the information to the primary cortical somatosensory cortex, which is responsible for interpreting and perceiving sensory stimuli. The caudal medial lemniscus is a pathway in the brainstem that carries sensory information from the spinal cord to the thalamus. The spinal cord is where sensory information is initially received from the peripheral nervous system.

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82. P31 Vessel

Explanation

The correct answer is VBA: Veterbo-Basilar Artery. The explanation for this answer is that the VBA is one of the major arteries that supplies blood to the brainstem and the posterior part of the brain. It is formed by the fusion of the two vertebral arteries, which arise from the subclavian arteries. The VBA supplies blood to important structures such as the cerebellum, medulla, and pons. Damage or blockage to the VBA can lead to serious neurological deficits and can be life-threatening. Therefore, understanding the anatomy and function of the VBA is crucial in clinical practice.

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83. P14 Vessel

Explanation

The correct answer is VBA: Veterbo-Basilar Artery. This explanation suggests that VBA stands for Veterbo-Basilar Artery.

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84. Farfield Vessel

Explanation

The correct answer is VBA: Veterbo-Basilar Artery. The VBA is an important artery that supplies blood to the brainstem and the back part of the brain. It is formed by the fusion of the vertebral arteries, which arise from the subclavian arteries. The VBA supplies oxygenated blood to the posterior part of the brain, including the cerebellum and the brainstem. It is responsible for supplying blood to vital structures involved in balance, coordination, and various other functions.

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85. MN Central Conduction Peaks

Explanation

The correct answer is N13-N20. This refers to the conduction peaks between the N13 and N20 waveforms. These peaks represent the electrical activity in the central nervous system during a specific time period. The N13 wave occurs first, followed by the N20 wave. This sequence of peaks is commonly observed in studies involving sensory or motor stimulation. The N13-N20 conduction peaks are important in assessing nerve conduction and can provide valuable information about the integrity of the central nervous system.

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86. CPi-EPc

Explanation

The given sequence CPi-EPc can be interpreted as a combination of two separate sequences: CPi and EPc. In the first sequence, the letters are moving forward in the alphabet by 1 position, so the next letter after C is D, and the next letter after P is Q. In the second sequence, the letters are moving backward in the alphabet by 1 position, so the next letter after E is D, and the next letter after P is O. Therefore, the next letter in the overall sequence would be the combination of the next letters in each sub-sequence, which is GD.

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87. What is the vessel of D & E?

Explanation

The vessel of D & E refers to the vertebral artery (VBA). The vertebral artery is one of the major arteries in the neck that supplies blood to the brain. It runs through the vertebrae of the neck and enters the skull through the foramen magnum. The VBA plays a crucial role in supplying oxygenated blood to the posterior part of the brain, including the cerebellum and the brainstem. Therefore, VBA is the correct answer in this context.

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88. What is F?

Explanation

not-available-via-ai

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89. Ulnar Nerve stimulator type

Explanation

The correct answer is "Lateral to the Palmaris Longus & standard wrist." This answer is correct because the ulnar nerve runs along the inner side (medial side) of the forearm, passing through the Guyon's canal. The Palmaris Longus muscle is located on the inner side of the forearm, and the ulnar nerve is situated just lateral to it. The standard wrist refers to the area where the ulnar nerve can be easily palpated during a physical examination. Therefore, this answer accurately describes the location of the ulnar nerve stimulator type.

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90. P14 Generator

Explanation

The caudal medial lemniscus is a pathway in the brainstem that carries sensory information from the spinal cord to the thalamus. It is responsible for transmitting touch, vibration, and proprioception sensations from the lower body. This pathway is part of the somatosensory system, which allows us to perceive and interpret sensory information from our body.

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91. N13

Explanation

not-available-via-ai

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92. N13

Explanation

not-available-via-ai

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93. LP Vessel

Explanation

The correct answer is PSA: Posterior Spinal Artery. The other options listed are all arteries that are related to the brain or the legs, while the PSA is the only artery that is related to the spine.

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94. MN Peripheral Conduction Peaks

Explanation

EP-N13 refers to the peak of the evoked potential waveform that occurs between the EP and N13 points. This waveform represents the electrical activity generated by the peripheral nerves and their conduction towards the brain. The EP-N13 peak is an important marker for assessing the integrity and efficiency of peripheral nerve conduction. It indicates the time it takes for the electrical signal to travel from the point of stimulation to the brain. Therefore, the correct answer in this context would be EP-N13.

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95. What is the vessel for PTN N9?

Explanation

The vessel for PTN N9 is the Femoral Artery.

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96. What is the vessel of D?

Explanation

The correct answer is PSA, which stands for Posterior Spinal Artery. The question is asking for the vessel of D, and among the given options, the Posterior Spinal Artery is the most appropriate choice. The Brachial Plexus is a network of nerves in the shoulder and arm, not a vessel. MCA stands for Middle Cerebral Artery, which is a major blood vessel in the brain, but it is not relevant to the question. VBA stands for Vertebral Basilar Artery, which is also a blood vessel in the brain, but it is not the vessel of D.

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97. N13 Generator

Explanation

The correct answer is PSA: Posterior Spinal Artery. The given options are various arteries, and the correct answer is the acronym for the Posterior Spinal Artery. This artery supplies blood to the posterior part of the spinal cord.

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98. What is the generator of B?

Explanation

The correct answer is the Primary Cortical Somatosensory Cortex. This is because the primary cortical somatosensory cortex is responsible for processing and interpreting sensory information related to touch, pressure, temperature, and pain. It receives input from the thalamus and other sensory areas, and plays a crucial role in our perception of bodily sensations. The other options (Brainstem/Thalamic, Caudal Medial Lemniscus, and Spinal Cord) are not directly involved in the generation of B.

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99. Farfield

Explanation

The correct answer is B, C, & D. This means that the options B, C, and D are the correct choices. However, without the context of the question or the options provided, it is not possible to provide a specific explanation for why these choices are correct.

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100. What is the generator of D?

Explanation

The caudal medial lemniscus is the generator of D. The caudal medial lemniscus is a pathway in the brainstem that carries sensory information from the spinal cord to the thalamus. It is responsible for transmitting proprioceptive and discriminative touch information. The other options, such as the spinal cord, primary cortical somatosensory cortex, and brainstem/thalamic, are not specifically related to the generation of D in this context.

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101. P31 Generator

Explanation

The caudal medial lemniscus is a pathway in the brainstem that carries sensory information from the spinal cord to the thalamus. It is responsible for transmitting proprioceptive and tactile information from the lower body. The other options, such as the brachial plexus and spinal cord, are not involved in this specific pathway. Therefore, the correct answer is the caudal medial lemniscus.

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102. P31 Active Electrode

Explanation

FPz refers to the electrode placement on the forehead, specifically at the midline between the frontal and central regions of the brain. This electrode is commonly used in electroencephalography (EEG) to measure brain activity. It is an active electrode, meaning that it actively records electrical signals from the brain. The other electrode placements mentioned (CPi, CPz, and T12s) are not relevant to the given question and do not pertain to the FPz electrode.

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103. What is the generator of E?

Explanation

The brainstem and thalamus are both involved in the generation of the E wave. The brainstem is responsible for relaying sensory information from the body to the thalamus, which then sends the information to the primary cortical somatosensory cortex for processing. Therefore, the correct answer is Brainstem / Thalamic.

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104. P14

Explanation

not-available-via-ai

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105. Subcorticals

Explanation

The correct answer is B, C, & D. This means that the correct combination of options is B, C, and D.

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106. What is the active electrode of G?

Explanation

The active electrode of G is CPi.

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107. MN/UN Analysis Time

Explanation

The given answer of 40-50ms is the most likely because it falls within the range of the other analysis times provided. The other options either exceed the upper limit or fall below the lower limit of the given range. Therefore, 40-50ms is the most suitable option based on the information provided.

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108. What is the blood supply of B?

Explanation

The correct answer is MCA. The MCA stands for the middle cerebral artery, which is responsible for supplying blood to the lateral surface of the brain, including the frontal, temporal, and parietal lobes. It is one of the major arteries in the brain and plays a crucial role in providing oxygen and nutrients to these important areas. The brachial plexus, PSA, and VBA are not related to the blood supply of B, making MCA the correct choice.

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109. MN Central Conduction Time (CCT)

Explanation

The given answer of 6ms is the lowest value among the provided Central Conduction Times (CCT). This suggests that it is the shortest time taken for the nerve impulse to travel along the central nervous system pathway.

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110. MN/UN # of Averages

Explanation

The given answer, 250-1,000, is the correct range for the number of averages. This means that the number of averages can be anywhere between 250 and 1,000. The other options provided do not cover this entire range, so they are not correct.

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111. What is the generator of D?

Explanation

The correct answer is Spinal Cord because the generator of D refers to the source or origin of D. In the given options, the Spinal Cord is the only structure that is directly connected to the generation of D. The Primary Cortical Somatosensory Cortex, Brainstem/Thalamic, and Caudal Medial Lemniscus are all involved in the processing and transmission of sensory information, but they are not the specific generator of D.

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112. P14 Active Electrode

Explanation

The correct answer is CPi.

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113. What is the vessel of F?

Explanation

The correct answer is PSA, which stands for Prostate-specific antigen. This is a protein produced by the prostate gland in males. It is primarily used as a marker for prostate cancer and other prostate-related conditions. The question is asking for the vessel associated with F, and PSA is not a vessel but rather a protein. Therefore, the question is incomplete or not readable, and a clear explanation cannot be provided.

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114. N18 Active Electrode

Explanation

The correct answer is CPi. Unfortunately, without any context or additional information provided, it is not possible to generate a meaningful explanation for this answer.

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115. PTN Central Conduction Time (CCT)

Explanation

The correct answer is 15ms because it is the highest value among the given options. PTN Central Conduction Time (CCT) refers to the time it takes for a nerve impulse to travel from the central nervous system to the periphery. In this case, the highest value of 15ms suggests that it takes the longest time for the nerve impulse to travel, indicating a slower conduction speed.

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116. What is generated by the Brainstem / Thalamic?

Explanation

The Brainstem/Thalamic generates the letter "B".

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117. What is the generator of C?

Explanation

The generator of C is the Caudal Medial Lemniscus. This structure is responsible for transmitting sensory information related to touch, proprioception, and vibration from the spinal cord to the brain. It is part of the somatosensory pathway, which allows us to perceive and interpret sensations from our body. The other options, such as the Primary Cortical Somatosensory Cortex, Brainstem/Thalamic, and Spinal Cord, are not directly involved in generating C.

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118. Nerve roots for PTN

Explanation

The correct answer is L4-S3 because the nerve roots for PTN (Pudendal Nerve) originate from the fourth lumbar (L4) to the third sacral (S3) spinal segments. These nerve roots are responsible for innervating the perineum, external genitalia, and anal sphincter muscles.

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119. N34 Active Electrode

Explanation

The correct answer is FPz. This is because FPz is the electrode placement for the frontal polar area of the scalp. It is commonly used in electroencephalography (EEG) to measure brain activity in the frontal region. The other electrode placements listed (CPi, CPz, and T12s) are not relevant to the frontal polar area and serve different purposes in EEG recordings.

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120. Nerve roots for Peroneal Nerve

Explanation

The correct answer is L4-S2. This answer indicates that the nerve roots for the Peroneal Nerve originate from the fourth lumbar vertebra (L4) to the second sacral vertebra (S2). This information helps in understanding the anatomical location and distribution of the Peroneal Nerve, which is important for diagnosing and treating any issues or injuries related to this nerve.

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  • Mar 21, 2023
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  • Answered
    Answered ()
What does i stand for in CPi?
N20 Generator
Posterior Tibial Nerve stimulator type
N20 Polarity
N18 Polarity
N20
What is the generator of A?
What is the generator of E?
N13 Polarity
EP
EP Generator
The Motor Cortex is located in the
N20 Vessel
What is A?
The Motor & Sensory Cortices are divided by the
What is F?
C5s-EPc
Subclavian Artery
P14 Polarity
LP Generator
What is the generator of E?
Median Nerve stimulator type
What is the vessel of A?
EP Active Electrode
N20
What is the vessel of B?
The Somatosensory Cortex is located in the
What is the generator of B?
Ulnar Nerve
What approximately is the latency of N13?
P31
P37 Generator
P14
EP
MN/Ulnar Bandpass
What is B?
Peroneal Nerve stimulator type
What is A?
N13
N18
Median Nerve
P37
What is the generator of F?
Upper Extremity SSEPs
Lower Extremity SSEPs
What is the active electrode of H?
N13 Active Electrode
Anode
What does z stand for in CPz?
What is D?
N20 Active Electrode
N34
LP
LP Active Electrode
What is I?
What is the active electrode of F?
What is the active electrode of I?
EP Vessel
SSEPs
What does P stand for in CPz?
EP Polarity
What is the generator of C?
P37 Vessel
N18 Generator
N13 Generator
MN/UN Pulse Width
Cathode
What is C?
What is E?
N34 Vessel
N18 Vessel
MN/UN Sensitivity
MN/UN SSEP Rate
Which of the following are subcorticals?
What is the vessel of C?
What is the vessel of C?
What is B?
N18
Nearfield
P37 Active Electrode
N34 Generator
P31 Vessel
P14 Vessel
Farfield Vessel
MN Central Conduction Peaks
CPi-EPc
What is the vessel of D & E?
What is F?
Ulnar Nerve stimulator type
P14 Generator
N13
N13
LP Vessel
MN Peripheral Conduction Peaks
What is the vessel for PTN N9?
What is the vessel of D?
N13 Generator
What is the generator of B?
Farfield
What is the generator of D?
P31 Generator
P31 Active Electrode
What is the generator of E?
P14
Subcorticals
What is the active electrode of G?
MN/UN Analysis Time
What is the blood supply of B?
MN Central Conduction Time (CCT)
MN/UN # of Averages
What is the generator of D?
P14 Active Electrode
What is the vessel of F?
N18 Active Electrode
PTN Central Conduction Time (CCT)
What is generated by the Brainstem / Thalamic?
What is the generator of C?
Nerve roots for PTN
N34 Active Electrode
Nerve roots for Peroneal Nerve
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