Quiz #5 Additional Recording Sites And Other Procedures P68-129

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| By Richard Slepian
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Richard Slepian
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Quizzes Created: 3 | Total Attempts: 11,378
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  • 1/20 Questions

    Oxygen saturation monitoring may be used in which of the following:

    • Anterior procedures of the lumbar spine
    • Anterior lumbar discectomies
    • Disc Replacement surgery
    • All of the above
    • None of the above
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About This Quiz


This quiz covers additional recording sites, cranial nerves, brainstem auditory evoked potentials, bone threshold studies, and anesthetic agents.

Quiz #5 Additional Recording Sites And Other Procedures P68-129 - Quiz

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  • 2. 

    Benzodiazepines are intravenous anesthetic agents often used in pre-op to "take the edge off."

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Benzodiazepines are commonly used as intravenous anesthetic agents before surgical procedures to help patients relax and reduce anxiety. This statement is true because benzodiazepines are indeed used in pre-op settings to "take the edge off" and alleviate any nervousness or tension that patients may experience before undergoing surgery.

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  • 3. 

    Large doses of brevital, a barbituate, can increase latency and decrease cortical amplitude.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Large doses of brevital, a barbiturate, can indeed increase latency and decrease cortical amplitude. Barbiturates like brevital are central nervous system depressants that slow down brain activity. When taken in large doses, they can significantly reduce the speed at which nerve signals travel, leading to increased latency. Additionally, they can also decrease the amplitude of cortical activity, resulting in a weaker and less pronounced brain wave pattern. Therefore, the statement "Large doses of brevital, a barbituate, can increase latency and decrease cortical amplitude" is true.

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  • 4. 

    Innervation for the Obliquus Externus Abdominis is the ventral rami of the lower six thoracic nerves.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The innervation for the Obliquus Externus Abdominis is provided by the ventral rami of the lower six thoracic nerves. This means that the lower six thoracic nerves send branches to supply motor and sensory fibers to the Obliquus Externus Abdominis muscle. Therefore, the statement is true.

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  • 5. 

    The auditory or VIII cranial nerve may be monitored with auditory inserts and cochlear electrodes.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the auditory or VIII cranial nerve can indeed be monitored using auditory inserts and cochlear electrodes. These tools are commonly used in medical procedures to assess the function of the auditory nerve and detect any abnormalities or hearing impairments. By measuring the electrical activity in the auditory nerve, healthcare professionals can gather valuable information about a patient's hearing abilities and make appropriate treatment recommendations.

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  • 6. 

    Placement of electrodes over the Achilles tendon may be used for what type of study?

    • Bone threshold studies for pedicle screw placement

    • Bone density testing

    • H-Wave to the gastrocnemius nerve conduction study

    • Oxygen saturation monitoring

    Correct Answer
    A. H-Wave to the gastrocnemius nerve conduction study
    Explanation
    The placement of electrodes over the Achilles tendon may be used for an H-Wave to the gastrocnemius nerve conduction study. This type of study involves measuring the conduction of electrical signals along the gastrocnemius nerve in the calf muscle. The Achilles tendon is located near the gastrocnemius muscle and is commonly used as a reference point for electrode placement in this study. By measuring the conduction of nerve signals, this study can help evaluate the function and integrity of the gastrocnemius nerve and identify any abnormalities or damage.

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  • 7. 

    A brainstem auditory evoked potential procedure can be used for all of the following scenarios except: 

    • To monitor the VIII cranial nerve during acoustic neuroma surgery

    • To monitor the VIII cranial nerve during craniotomies

    • To monitor the VIII cranial nerve during the removal of brainstem lesions.

    • To monitor patients who have no preoperative hearing function

    Correct Answer
    A. To monitor patients who have no preoperative hearing function
    Explanation
    A patient must be able to hear because an auditory evolked potential is accomplished by using stimulation to the nerve via rarefaction, condensation and/or alternating stimuli with masking of the contralateral ear with white noise which would not be perceived by a nonhearing patient.

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  • 8. 

    Bone threshold studies are accomplished by stimulating the lamina next to the pedicle until a triggered response is achieved. In which of the following scenarios might this procedure be used?

    • To evaluate bone density

    • Before stimulating implants to determine the intensity of a triggered EMG response.

    • To assist with pedicle placement adjacent to the lamina

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    This procedure might be used in all of the above scenarios. Bone threshold studies are performed to evaluate bone density, determine the intensity of a triggered EMG response before stimulating implants, and assist with pedicle placement adjacent to the lamina.

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  • 9. 

    Muscle relaxants can cause which of the following:

    • Temporary paralyis

    • Enhances the exposure

    • Facilitates intubation

    • All of the above

    • None of the above

    Correct Answer
    A. All of the above
    Explanation
    Muscle relaxants can cause temporary paralysis, enhance exposure, and facilitate intubation. Temporary paralysis is a common effect of muscle relaxants, as they work by blocking the signals between the nerves and muscles, leading to muscle relaxation and temporary loss of movement. Muscle relaxation also enhances exposure during surgical procedures, allowing better access to the surgical site. Additionally, muscle relaxants can facilitate intubation by relaxing the muscles in the airway, making it easier to insert a breathing tube. Therefore, all of the given options are correct.

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  • 10. 

    What muscle group flexes the ankle joint?

    • The Vastus Lateralis

    • The Vastus Medialis

    • The Tibialis Anterior

    • The Extensor Hallucis Longus

    Correct Answer
    A. The Tibialis Anterior
    Explanation
    The Tibialis Anterior is the correct answer because it is the muscle responsible for flexing the ankle joint. It is located on the front of the lower leg and helps to lift the foot upwards and towards the body. This muscle is important for activities such as walking, running, and jumping, as it helps to control the movement of the ankle joint.

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  • 11. 

    Which cranial nerve is not monitored during cranial surgery?

    • Cranial Nerve X, Vagus

    • Cranial Nerve VII, Facial

    • Cranial Nerve II, Optic

    • Cranial Nerve I, Olfactory

    Correct Answer
    A. Cranial Nerve I, Olfactory
    Explanation
    The olfactory nerve is related to smell and can only be tested when the patient is awake.

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  • 12. 

    To determine if a neuromuscular blockade has worn off, the IOM technician may rely on information from all of the following EXCEPT:

    • EMG response testing

    • Train of four

    • Finger twitch response

    • Toe twitch response

    Correct Answer
    A. EMG response testing
    Explanation
    The IOM technician may rely on information from the train of four, finger twitch response, and toe twitch response to determine if a neuromuscular blockade has worn off. EMG response testing is not used for this purpose. EMG response testing measures the electrical activity of muscles and is typically used to diagnose nerve and muscle disorders, rather than to assess the level of neuromuscular blockade.

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  • 13. 

    The cricoid cartilage is involved in speech.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The cricoid cartilage is a ring-shaped structure located at the base of the larynx. It plays a crucial role in speech production by providing support and stability to the vocal cords. The vocal cords, which are stretched across the larynx, vibrate to produce sound when air passes through them. The cricoid cartilage helps maintain the tension and position of the vocal cords, allowing for the production of different pitches and tones during speech. Therefore, it is correct to say that the cricoid cartilage is involved in speech.

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  • 14. 

    Alfenta, Fentanyl, and Sufenta are narcotics that have no effecton EMGs or MEPs.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because narcotics like Alfenta, Fentanyl, and Sufenta do not have any effect on EMGs (electromyograms) or MEPs (motor evoked potentials). EMGs are used to measure the electrical activity of muscles, while MEPs are used to assess the function of the motor pathways in the brain and spinal cord. Narcotics primarily act on the central nervous system to relieve pain and do not directly affect muscle activity or motor pathways.

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  • 15. 

    Which muscle or muscles elevate the mandible to close the mouth?

    • The Masseter

    • The Temporalis

    • The Orbicularis Oris

    • A & B above

    Correct Answer
    A. A & B above
    Explanation
    The correct answer is A & B above. Both the Masseter and Temporalis muscles are responsible for elevating the mandible to close the mouth. The Masseter muscle is the primary muscle involved in the closing of the jaw, while the Temporalis muscle also contributes to this movement. The Orbicularis Oris muscle, on the other hand, is responsible for closing and puckering the lips, not for elevating the mandible.

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  • 16. 

    An alveolar concentration of an inhalation agent is defined as the concentration of vapor in the lungs needed  to prevent movement in what percentage of subjects?

    • 25 percent

    • 50 percent

    • 75 percent

    • 100 percent

    Correct Answer
    A. 50 percent
    Explanation
    This is also sometimes called the mean alveolar concentration (MAC).

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  • 17. 

    What muscle group everts and plantar flexes the foot?

    • The Abductor Hallucis

    • The Peroneus Longus

    • The Flexor Digitorum Brevis

    • The Tibial Anterior

    Correct Answer
    A. The Peroneus Longus
    Explanation
    The Peroneus Longus is the correct answer because it is a muscle that is responsible for eversion and plantar flexion of the foot. Eversion refers to the movement of the foot turning outward, away from the midline of the body, while plantar flexion refers to the movement of pointing the foot downwards. The Peroneus Longus muscle runs along the outer side of the lower leg and connects to the foot, allowing it to perform these movements.

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  • 18. 

    Which of the following is NOT true about the intercostales externi?

    • There are 12 pairs

    • Needle placement should parallel the superior border of the ribs

    • The inferior border of the ribs can be easily injured due to neurovascular structures

    • The action aids in respiration

    Correct Answer
    A. There are 12 pairs
    Explanation
    There are only 11 pairs of intercostales externi.

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  • 19. 

    The sartorius muscle group is innervated by L3 and L4.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The sartorius muscle group has innervation at L2 and L3.

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  • 20. 

    Amidate, a nonbarbituate, can inhibit MEPs but has no effect on EMGs.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Amidate may enhance the SSEP but has no effect on MEPs, but Precedex, another nonbarbituate, can inhibit MEPs.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • May 04, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 16, 2012
    Quiz Created by
    Richard Slepian
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