2024 CNIM Practice Exam 1 New Full Exam Questions and Answers ( Included ) 100% Correct
- Which of the following is least likely to cause electrical interference in the operating room?
Answer: The pneumatic drill
- If the monitoring instrument develops an inability to average, steps to take would include
all the following except:?
Answer: Consult with the anesthesiologist anesthesia changes
- Lying between the adjacent surfaces of the vertebral bodies and bonding them together, are
the: ?
Answer: Intervertebral discs
- The dorsal column pathways synapse at which loci on their way to the sensory cortex?
Answer: Nucleus cuneatus and thalamus
- Ground electrodes for SSEP recordings?
Answer: Are best placed between stimulation and recording electrodes
- A significant reduction in amplitude of ABR wave V can result from?
Answer: Intra- venous lidocaine
- Although the use of electrical cautery can obliterate EP waveforms, intra- operative
monitoring should be continued?
Answer: By monitoring the raw (unaveraged) data
- The effects of halogenated agents on the cortical somatosensory evoked potentials are?
Answer: An increase in latencies and a decrease in amplitudes
- The area of greatest risk for ischemic injury during carotid endarterectomy is?
Answer: The middle cerebral artery
- Which of the following most likely reflects sustained traction or compression of a nerve
during EMG?
Answer: A "train" response
- Delta activity in awake adults with eyes is usually?
Answer: Abnormal
- Delta activity in awake adults with eyes open is usually?
Answer: Abnormal
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- EP waveforms contralateral to the surgical site are monitored to differentiate between?
Answer: systematic changes and local manipulation
- SSEPs are most likely to be highly variable and less reliable in patients with?
Answer: Neuromuscular disease
- The effects of Harrington rod distraction on the spinal cord can be tested by all of the
following except?
Answer: Dorsal root stimulation
- The input impedance of a differential amplifier must be at least
Answer: 10 megaohms
- The input impedance of a differential amplifier must be at least
Answer: 10 mega ohms
- which is not true of hyperperfusion during carotid endarterectomy?
Answer: It is most easily detected by EEG
19. Babinski's sign is:
Answer: Plantar extension of the hallux when the sole of the foot is stroked
20. Spondylosis is:
Answer: Degeneration of the spine
- Identification of wave V of the BAEP may require?
Answer: Decreasing stimulus intensity
- Excitation of the postsynaptic neuron is caused by the neurotransmitter?-
Answer: Glutamate
- Generally speaking, rate increases above 30 per second in BAEP studies?-
Answer: Will increase the latency and decrease the amplitude of the BAEP
- Multiple sclerosis, spinal cord injury, and brain trauma can lead to debilitating spasticity
that has been relieved in some patients following:?
Answer: Selective dorsal rhizotomy
- The type of artifact most likely associated with blood warming equipment is?
Answer: 60 Hz
- A patient in a state of surgical anesthesia using nitrous oxide is likely to have a drop in
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SSEP amplitudes of?