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Cnim Practice Questions And Answers With Verified Solutions Already Latest Updated 2024
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Cnim Practice Questions And Answers With Verified Solutions Already Latest Updated 2024
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Cnim Practice Questions And AnswersWith Verified Solutions Already Latest
Updated 2024
ABR condensation clicks from the transducer causes: - ANSWER✔✔ Movement of
the tympanic membrane toward the cochlea
Excessive cerumen may cause: - ANSWER✔✔ Absence of the BAER
The input impedance of a differential amplifier should be: - ANSWER✔✔ At least
100,000,000 ohms
Which of the following is the most likely choice as a neuroprotective drug during
aneurysm clipping? - ANSWER✔✔ Thiopental
Which procedure would require intraoperative spinal cord monitoring -
ANSWER✔✔ Kyphoscoliosis
Opioids are used primarily for - ANSWER✔✔ Analgesia
Alternating clicks can be used to - ANSWER✔✔ eliminate stimulus artifact
Gloves should be worn: - ANSWER✔✔ Whenever there is potential for exposure
to contaminants
Harrington rod instrumentation used: - ANSWER✔✔ Hooks and a rod
,The EEG traces are observed just minutes prior to clamping of the internal carotid
during a carotid endarterectomy procedure. This is most likely due to -
ANSWER✔✔ Bolus of thiopental
The term Soma refers to - ANSWER✔✔ Cell body
Desflurane has a more rapid onset and recovery than isoflurane because -
ANSWER✔✔ desflurane has a lower blood solubility than isolflurane
Which of the following will result in significantly elevated SSEP latencies? -
ANSWER✔✔ Charcot-Marie Tooth disease
Regarding wave I of the ABR, the proposed generator is: - ANSWER✔✔ Cranial
Nerve VIII
Loss of BAEPs during drilling of the internal auditory canal is most likely due to: -
ANSWER✔✔ Masking effect
Of the following, the most appropriate filter, timebase, and sensitvity for
monitoring of cortical ischemia during a carotid surgery are: - ANSWER✔✔ 0.3-70
Hz, 15 mm/sec, 3 uV/mm
A 10-bit A/D converter has how many discrete voltage values in its range? -
ANSWER✔✔ 1024
, What is the advantage to using an insulated bipolar electrode for intracranial
facial nerve stimulation? - ANSWER✔✔ Prevent current shunting to other cranial
nerves
Midazolam is what type of drug? - ANSWER✔✔ Benzodiazepine
Stimulating the median nerve at the wrist yields an erb's point response at 10 mS
and an NCV of 60 m/S. What is the distance between the cathode and the Erb's
point recording electrode? - ANSWER✔✔ 60 cm
What is the appropriate sweep for ABR's - ANSWER✔✔ 15 msec
CNS depressants cause" - ANSWER✔✔ Minimal effects in ABRs
The prominent wave for monitoring of BAEP's is: - ANSWER✔✔ Wave V
Your signal amplitude is 0.5 uV inside a background noise of 2 uV, what will the
signal to noise ration be after 400 averages? - ANSWER✔✔ 5
The resting membrane potential of a neuron is primarily maintained by -
ANSWER✔✔ The sodium-potassium pump
When can the BAEP no longer be successfully performed? After resection of: -
ANSWER✔✔ Acoustic nerve
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