THE ABRET CNIM EXAM TESTBANK /ACTUAL 500+ EXAM QUESTIONS WITH CORRECT DETAILED AND VERIFIED ANSWERS/ ABRET CERTIFIED NEUROPHYSIOLOGICAL INTRAOPERATIVE MONITORING EXAM

THE ABRET CNIM EXAM TESTBANK 2024-
2025/ACTUAL 500+ EXAM QUESTIONS WITH CORRECT
DETAILED AND VERIFIED ANSWERS/ ABRET
CERTIFIED NEUROPHYSIOLOGICAL
INTRAOPERATIVE MONITORING EXAM 2024-2025



ANASTAMOSIS? - CORRECT ANSWER:->>>-CONNECTION or opening BETWEEN two
things (especially cavities or passages) that are normally diverging or branching, such as between
blood vessels.
-COMMUNICATION BETWEEN ARTERIES


What causes the most airborne bacteria in OR?


a. blood on gown

b. blood spill

c. skin shed
d. hospital client vent - CORRECT ANSWER:->>>c. skin shed



Nerve that innervates 4th and 5th fingers? - CORRECT ANSWER:->>>Ulnar Nerve


Problem with Bilateral Synchronus Stim? - CORRECT ANSWER:->>>Can mask unilateral
problems


No N20 at baseline could mean? - CORRECT ANSWER:->>>Stroke


What should you check 1st if you lose all waves? - CORRECT ANSWER:->>>Stimulator


Which of the following devices measures electrode resistance?


1. Ammeter

2. Ohmmeter

,3. Voltmeter
4. Photometer - CORRECT ANSWER:->>>2. Ohmmeter

If an evoked potential has a voltage of 10uV and the associated noise has a voltage of 50uV, what
is the signal to noise ratio after 100 averaged responses?


1. 1:1
2. 1:2
3. 2:1
4. 5:1 - CORRECT ANSWER:->>>3. 2:1


To display median nerve SSEP response as an upward deflection, which of the following must be
known?


1. Waveform polarity and latency of the response

2. Waveform polarity and polarity convention of the amplifier inputs

3. Polarity convention of amplifier inputs and amplitude of the response
4. Latency of the response and polarity convention of the amplifier inputs - CORRECT
ANSWER:->>>2. Waveform polarity and polarity convention of the amplifier inputs


If an amplifier is rated as having 120 dB common mode rejection rate, which of the following
ratios of in- phase to out-of-phase signals would be expected?


1. 10,000:1
2. 100,000:1
3. 500,000:1
4. 1,000,000:1 - CORRECT ANSWER:->>>4. 1,000,000:1


Which of the following cranial nerves innervates the extraocular muscles?


1. Optic

2. Facial

3. Abducens

,4. Trigeminal - CORRECT ANSWER:->>>3. Abducens



Which of the following is an example of a SSEP far-field subcortical potential?


1. N20

2. N34

3. Erbs point
4. Popliteal Fossa - CORRECT ANSWER:->>>2. N34



Which of the following opposes any change in current?


1. Capacitance

2. Impedance

3. Inductance
4. Resistance - CORRECT ANSWER :->>>3. Inductance



Which of the following electrode materials has little electrode potential drift and a long time
constant?


1. Tin

2. Gold

3. Silver
4. Stainless Steel - CORRECT ANSWER:->>>2. Gold



Where should epidural electrodes be placed?


1. On the dura

2. In the spinal cord

3. Within the dural membrane
4. Between the dura and the spinal cord - CORRECT ANSWER:->>>1. on the dura

, With referential recording, maximal amplitude cortical evoked potentials following stimulation of
the left posterior tibial nerve usually would be found between?


1. C3 and CZ

2. C4 and P4

3. FZ and CZ
4. C4 and CZ - CORRECT ANSWER:->>>1. C3 and CZ



For preoperative posterior tibial somatosensory evoked potentials, which of the following would be
the best ipsilateral location for the ground electrode?


1. Forearm

2. Calf

3. Shoulder
4. Palm - CORRECT ANSWER:->>>2. Calf



To record the afferent volley after posterior tibial nerve stimulation, an electrode should be
placed on the?


1. Mastoid

2. Erbs point

3. T5 spine
4. Index Finger - CORRECT ANSWER:->>>3. T5 spine



Impedances of applied electrodes should be?


1. balanced and below 5,000 ohms

2. balanced and above 5,000 ohms

3. unbalanced and below 5,000 ohms