CNIM Prep Proprofs Questions and Answers
with Complete Solutions | 100% Verified
Harrinton instruments are:
1. pedicle screws
2. sublaminar wires
3. rods
4. interbody grafts - ANSWER rods
What is the recommended bandpass setting for facial nerve compound muscle action potential
recording?
1. 1-250 to 1500 Hz
2. 5-30 to 3000 Hz
3. 10-30 to 16000 Hz
4. 100-200 to 1000 Hz - ANSWER 1-250 to 1500 Hz
Which of the following is a subcortical potential?
1. P37
2. N20
3. Erbs
4. N30 - ANSWER N30
Feedback for N30 - What is an N30? - ANSWER \So not entirely sure what an N30 is. But in the
context of the question we know that P37, N20, and Erbs are all nearfield which leaves the answer to be
N30. I would assume that it is a LE response from inbetween the medial lemniscus and thalamus which
would right away indicate far field.
Sensory supply of the posterior 1/3rd of the tongue is from which nerve?
1. hypoglossal
2. vagus
, 3. spinal accessory
4. glossopharyngeal - ANSWER glossopharyngeal
What is the best montage for distinguishing a IV/V complex?
1. A1 to A2
2. Cz - contra ear
3. Cz - Fpz
4. A1 - Cz - ANSWER Cz - contra ear
Name the opening through which the auditory and facial nerves exit the brain:
1. internal auditory meatus
2. Foramen Ovale
3. Foramen Magnus
4. Stylomastoid foramen - ANSWER
During a spine procedure, if tibial nerve responses are suddenly lost bilaterally, which of the following
should be done first?
1. perform a wake up test
2. increase stimulus ratio
3. increase stimulus intensity
4. check stimulus and recording electrodes - ANSWER check stimulus and recording electrodes
Where is the defect with an absent N20 and a normal N9-N13 conduction time and a normal peripheral
nerve conduction velocity?
1. defect is above the brachial plexus and below the lower medulla
2. defect is above the lower medulla and at or below the somatosensory cortex
3. defect is above the brachial plexus and below the somatosensory cortex
4. defect in the form of a lesion is in the peripheral nerve or brachial plexus - ANSWER defect is above
the lower medulla and at or below the somatosensory cortex
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