Iom Quiz #2 Terminology & Electrode Placement V-VI & P18-41

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| By Richard Slepian
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Richard Slepian
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Quizzes Created: 3 | Total Attempts: 11,330
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  • 1/20 Questions

    CNS is an abbreviation for which of the following terms:

    • The central nervous system
    • The central neural structure
    • The cervical neural stem
    • Centrally-located non-identifiable structures
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About This Quiz

This quiz covers acronyms and abbreviations associated wth IOM terminology and electrode placement points for monitoring.

Neurophysiology Quizzes & Trivia

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  • 2. 

    Which of the following is true about the CPA (cerebellopontine angle):

    • The CPA is a space where tumors may grow

    • Removal of tumors in the CPA region should include monitoring of the VIII nerve

    • Surgical approaches to the CPA can threaten auditory function

    • All of the above

    • None of the above

    Correct Answer
    A. All of the above
    Explanation
    The CPA is a space located between the cerebellum and the pons where tumors may grow. When removing tumors in the CPA region, it is important to monitor the VIII nerve, also known as the vestibulocochlear nerve, which is responsible for hearing and balance. Surgical approaches to the CPA can pose a risk to auditory function, highlighting the importance of careful monitoring and preservation of the nerve. Therefore, all of the statements provided are true about the CPA.

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  • 3. 

    Hct is an abbreviation for hematocrit

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The given statement is true. Hct is indeed an abbreviation for hematocrit. Hematocrit is a medical term that refers to the volume percentage of red blood cells in the blood. Hct is commonly used as a shorthand abbreviation for hematocrit in medical documentation and discussions.

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  • 4. 

    DLIF is an abbreviation for which of the following:  

    • Dermatome left interbody fusion

    • Dermatome left inset fold

    • Direct lateral interbody fusion

    Correct Answer
    A. Direct lateral interbody fusion
    Explanation
    DLIF stands for Direct Lateral Interbody Fusion. This surgical procedure involves accessing the spine through a lateral approach, meaning that the surgeon approaches the spine from the side. The interbody fusion part refers to the fusion of two adjacent vertebrae using a bone graft or implant. This procedure is commonly used to treat conditions such as degenerative disc disease, spinal stenosis, and spondylolisthesis.

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  • 5. 

    ACIF stands for:

    • Anterior cervical inserted fusion

    • Auditory cerebellopontine interbody fusion

    • Anterior cervical instrumentation and fusion

    • Auxilliary component of interbody fusion

    Correct Answer
    A. Anterior cervical instrumentation and fusion
    Explanation
    The correct answer is anterior cervical instrumentation and fusion.

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  • 6. 

    The interstimulus interval is abbreviated as:

    • ISS

    • ISI

    • INTi

    • Int.SI

    Correct Answer
    A. ISI
    Explanation
    The correct answer is ISI. The interstimulus interval (ISI) refers to the time between the presentation of two consecutive stimuli. It is commonly used in experiments to study perception and cognition. The other options (ISS, INTi, Int.SI) do not represent the correct abbreviation for interstimulus interval.

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  • 7. 

    Which of the following is a diagnostic procedure that is used intraoperatively to monitor the integrity of the auditory or VIII-cranial nerve during craniotomies?

    • Hypoglossal Evoked Potential

    • BAEP

    • Transcranial Electric Motor-Evoked Potential

    • Electromyographies

    Correct Answer
    A. BAEP
    Explanation
    The correct answer is BAEP: brainstem auditory-evoked potential/response

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  • 8. 

    MAP stands for which of the following:

    • Mean absolute percentage

    • Mean average percentage

    • Mean arterial pressure

    • Moderate Absolute Pressure Mean arterial pressure

    Correct Answer
    A. Mean arterial pressure
    Explanation
    MAP stands for Mean Arterial Pressure. It is a measure of the average blood pressure in the arteries during one cardiac cycle. It is calculated by taking into account both the systolic and diastolic blood pressure values. MAP is an important indicator of perfusion pressure in the organs and tissues of the body. It is often used in medical settings to assess a patient's cardiovascular health and to guide treatment decisions.

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  • 9. 

    What nerve is stimulated 2cm distal to the fibular head?    

    • The tibial nerve

    • The peroneal nerve

    • The radial nerve

    • The median nerve

    Correct Answer
    A. The peroneal nerve
    Explanation
    The peroneal nerve is stimulated 2cm distal to the fibular head. The peroneal nerve is a branch of the sciatic nerve and innervates the muscles of the lower leg and foot. It is responsible for dorsiflexion of the foot and extension of the toes. Stimulation of the peroneal nerve at this specific location can help diagnose and treat conditions such as peroneal neuropathy or foot drop.

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  • 10. 

    A CAT scan is an abbreviation for which of the following:

    • Computer assisted topography

    • Computerized axial tomography

    • Computerized telemetry

    • Computerized toxicology

    Correct Answer
    A. Computerized axial tomography
    Explanation
    Computerized axial tomography (CAT) scan is a medical imaging technique that uses X-rays and computer processing to create detailed cross-sectional images of the body. The term "computerized axial tomography" accurately describes the process of using computers to generate images of the body by taking multiple X-ray images from different angles.

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  • 11. 

    PLIF stands for posterior lumbar instrumentation function

    • True

    • False

    Correct Answer
    A. False
    Explanation
    PLIF stands for posterior lumbar instrumentation and fusion.

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  • 12. 

    What is the stimulation site for L4?

    • At the web space between the first and second toes

    • 2 cm posterior to the lateral malleolus

    • 14 cm distal to the inferior patellar rim, medial to the tibia

    • 14 cm proximal to the superior patellar rim, anterolateral thigh

    Correct Answer
    A. 14 cm distal to the inferior patellar rim, medial to the tibia
  • 13. 

    At what anatomical locations do the greater and lesser occipital nerves ascend the skull?

    • Two inches lateral to midline

    • Between CP3 and CP4

    • One inch lateral to midline of the occiput

    • None of the above None of the above

    Correct Answer
    A. One inch lateral to midline of the occiput
    Explanation
    The greater and lesser occipital nerves ascend the skull one inch lateral to the midline of the occiput.

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  • 14. 

    Where is the electrode placed to record Erb's point?

    • 2 cm left of the brachial plexus

    • Over the brachial plexus on the ipsilateral side

    • Over the medial aspect of the upper arm

    • At the brain stem

    Correct Answer
    A. Over the brachial plexus on the ipsilateral side
    Explanation
    The electrode is placed over the brachial plexus on the ipsilateral side to record Erb's point. This is the correct placement for recording Erb's point, which is a specific location on the brachial plexus where the upper trunk and the posterior division of the lower trunk merge.

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  • 15. 

    To acquire subcortical data, insert subdermal recording needles at  the interspinous space referred to as the root entry zone.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that to acquire subcortical data, it is necessary to insert subdermal recording needles at the interspinous space, which is known as the root entry zone. This implies that the statement is true, as it accurately describes the correct method for acquiring subcortical data.

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  • 16. 

    ET stands for which of the following:

    • Evoked transdermal

    • External temperature

    • Elevated trapezius

    • End tidal

    Correct Answer
    A. End tidal
    Explanation
    ET stands for End Tidal. End tidal refers to the measurement of the concentration of a gas, typically carbon dioxide, at the end of each exhaled breath. This measurement is used in medical settings to monitor the patient's respiratory status and the effectiveness of ventilation.

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  • 17. 

    What is the correct placement for the sensory recording electrode for CPz?

    • 2 inches posterior to Cz

    • 2 cm posterior and 4cm lateral to Cz

    • Half way between Fpz and Cz

    • Diagonally centered between C3 and C2

    Correct Answer
    A. 2 cm posterior and 4cm lateral to Cz
    Explanation
    The correct placement for the sensory recording electrode for CPz is 2 cm posterior and 4 cm lateral to Cz.

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  • 18. 

    For recording somatosensory evoked potentials, including a cephalic ground, what is the minimum number of total needles that must be placed ?

    • 5

    • 8

    • 4

    • 6

    Correct Answer
    A. 5
    Explanation
    Six electrodes are used for recording, two are used for stimulating, and one is used as a ground.

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  • 19. 

    Where is the stimulation site for C7?

    • At the third digit of the third digit

    • At the base of the thumb

    • At the fingertip of the fifth digit

    • At the fingertip of the second digit

    Correct Answer
    A. At the third digit of the third digit
  • 20. 

    FI stands for which of the following:

    • Fraction inspired

    • Fissure insertion

    • Foramen instrumentation

    • Final Installation

    Correct Answer
    A. Fraction inspired
    Explanation
    FI stands for "Fraction inspired" which refers to the fraction or percentage of inspired oxygen in the air. This term is commonly used in medical settings to indicate the concentration of oxygen being delivered to a patient. It is important to monitor and adjust the fraction inspired based on the patient's needs to ensure proper oxygenation.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 14, 2011
    Quiz Created by
    Richard Slepian
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