Question 1
The effects if the Harrington rod extraction on the spinal cord can be tested by all of the
following except:
a. Motor EPs
b. Dorsal root stimulation
c.Somatosensory EPs
d. The Stagnara wake-up test
CORRECT ANSWER
b. Dorsal root stimulation
Question 2
The effects of pharmacological or surgical manipulations can be mimicked by the
inappropriate manipulation of:
a. ground electrode
b. stimulus intensity
c. the stimulus rate
d. filter settings
CORRECT ANSWER
d. filter settings
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,Question 3
The most diagnostic part of BAEPs is:
a. Wave I latency
b. Wave V latency
c. I-V interpeak
d. Wave V amplitude
CORRECT ANSWER
c. I-V interpeak
Question 4
What intravenous drug is used to maintain hypotension:
a. Methohexital
b. Propofol
c. Medazolam
d. Nutroprusside
CORRECT ANSWER
d. Nutroprusside
Question 5
A nerve cell membrane can depolarize when:
a. Chloride channels are opened
b. Sodium channels are closed and potassium channels are opened
c. The summation of action potentials exceeds the membrane threshold
d. the resting membrane threshold reaches -70mV
CORRECT ANSWER
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, c. The summation of action potentials exceeds the membrane threshold
Question 6
Following the final application of corrective forces to the spinal column, the spinal cord
should typically be monitored for at least:
a. 20 minutes
b. 5 minutes
c. 10 minutes
d. 30 minutes
CORRECT ANSWER
d. 30 minutes
Question 7
If al channels are showing excessive 60 Hz noise, what should you do?:
a. Check your ground impedance
b. Reboot the machine
c. Move your machine as far away from the patient as possible
d. Use a 60Hz notch filter
CORRECT ANSWER
a. Check your ground impedance
Question 8
What would be the effect of fluid in the external auditory canal?:
a. Increase of absolute latencies
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, b. Increase wave amplitudes
c. Decreased wave V amplitude
d. Increased I-V latency
CORRECT ANSWER
a. Increase of absolute latencies
Question 9
Hearing Level (HL) is defined by:
a. Comparing the patient's threshold to a known pure tone
b. An individual's hearing threshold
c. The absolute sound pressure relative to atmospheric pressure
d. The average hearing threshold of a normal population
CORRECT ANSWER
d. The average hearing threshold of a normal population
Question 10
"Prestimuilus triggering":
a. delays the synchronizing pulse to the computer
b. eliminates the problems associated with recording the stimulus artifact
c. includes a period of recording before the stimulus
d. presents a positive signal to the averaged prior to initiating the display
CORRECT ANSWER
c. includes a period of recording before the stimulus
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The effects if the Harrington rod extraction on the spinal cord can be tested by all of the
following except:
a. Motor EPs
b. Dorsal root stimulation
c.Somatosensory EPs
d. The Stagnara wake-up test
CORRECT ANSWER
b. Dorsal root stimulation
Question 2
The effects of pharmacological or surgical manipulations can be mimicked by the
inappropriate manipulation of:
a. ground electrode
b. stimulus intensity
c. the stimulus rate
d. filter settings
CORRECT ANSWER
d. filter settings
1
@THE STUDY VAULT
,Question 3
The most diagnostic part of BAEPs is:
a. Wave I latency
b. Wave V latency
c. I-V interpeak
d. Wave V amplitude
CORRECT ANSWER
c. I-V interpeak
Question 4
What intravenous drug is used to maintain hypotension:
a. Methohexital
b. Propofol
c. Medazolam
d. Nutroprusside
CORRECT ANSWER
d. Nutroprusside
Question 5
A nerve cell membrane can depolarize when:
a. Chloride channels are opened
b. Sodium channels are closed and potassium channels are opened
c. The summation of action potentials exceeds the membrane threshold
d. the resting membrane threshold reaches -70mV
CORRECT ANSWER
2
@THE STUDY VAULT
, c. The summation of action potentials exceeds the membrane threshold
Question 6
Following the final application of corrective forces to the spinal column, the spinal cord
should typically be monitored for at least:
a. 20 minutes
b. 5 minutes
c. 10 minutes
d. 30 minutes
CORRECT ANSWER
d. 30 minutes
Question 7
If al channels are showing excessive 60 Hz noise, what should you do?:
a. Check your ground impedance
b. Reboot the machine
c. Move your machine as far away from the patient as possible
d. Use a 60Hz notch filter
CORRECT ANSWER
a. Check your ground impedance
Question 8
What would be the effect of fluid in the external auditory canal?:
a. Increase of absolute latencies
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@THE STUDY VAULT
, b. Increase wave amplitudes
c. Decreased wave V amplitude
d. Increased I-V latency
CORRECT ANSWER
a. Increase of absolute latencies
Question 9
Hearing Level (HL) is defined by:
a. Comparing the patient's threshold to a known pure tone
b. An individual's hearing threshold
c. The absolute sound pressure relative to atmospheric pressure
d. The average hearing threshold of a normal population
CORRECT ANSWER
d. The average hearing threshold of a normal population
Question 10
"Prestimuilus triggering":
a. delays the synchronizing pulse to the computer
b. eliminates the problems associated with recording the stimulus artifact
c. includes a period of recording before the stimulus
d. presents a positive signal to the averaged prior to initiating the display
CORRECT ANSWER
c. includes a period of recording before the stimulus
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@THE STUDY VAULT
