CNIM PRACTICE QUESTIONS and
answers 2024
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. patient 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
,CNIM PRACTICE QUESTIONS and
answers 2024
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?
,CNIM PRACTICE QUESTIONS and
answers 2024
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
, CNIM PRACTICE QUESTIONS and
answers 2024
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
answers 2024
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. patient 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
,CNIM PRACTICE QUESTIONS and
answers 2024
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?
,CNIM PRACTICE QUESTIONS and
answers 2024
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
, CNIM PRACTICE QUESTIONS and
answers 2024
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
