CNIM PRACTICE EXAM 1
CNIM PRACTICE EXAM 1 AND NEWEST 2025 ACTUAL
COMPLETE 145 QUESTIONS AND CORRECT DETAILED
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Terms in this set (239)
Lower motors neurons primarily exit the cord through the:
1 dorsal nerve roots
Ventral Nerve Roots 2 ventral nerve roots
3 dorsal columns
4dorsal root ganglia
Which one of the following is an excitatory neurotransmitter?
1 GABA
Glutamate 2 Glutamate
3 Glycine
4 Phenylalanine
Which one of the following is an inhibitory neurotransmitter?
1 GABA
GABA 2 Serotonin
3 Dopamine
4Phenlalanine
The layers of protective tissue which surround the CNS are called:
1 the ventricles
the meninges 2 the meninges
3 Cerebrospinal fluid
4The Skull
What separates the motor and sensory strips?
1 Sylvian Fissure
Central Sulcus 2 Central Sulcus
3 Frontal Sulcus
4 Sagittal Fissure
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,3/11/25, 12:59 PM CNIM PRACTICE EXAM 1
The interconnecting blood vessels at the base of the brain make up:
1 the circle of Willis
The Carotid Exchange 2 the Carotid exchange
3 the circle of Milford
4 the Perfect circle
The Anterior Communicatinig Artery connects which arteries?
1 It does not connect any arteries
the left and right anterior 2 The posterior Communicating Arteries
cerebral arteries 3 The left and right anterior cerebral arteries
4the middle cerebral and the posterior cerebral arteries
The tibial nerve cortical SSEPs would be affected by a stroke in which
artery?
the anterior cerebral artery 1 the middle cerebral artery
2 the anterior cerebral artery
3 the posterior cerebral artery
4the inferior cerebral arteray
Opioids are used primarily for:
1 Analgesia
Analgesia 2 Neuromuscular blockade
3 amnesia
4anesthesia
Midazolam is what type of drug?
1 Opioid
Benzodiazepine 2 neuromuscular blocker
3 halogenated gas
4 benzodiazepine
Which of the following drugs has an appreciable effect on peripheral
nerve APs?
none of the above 1 Sufentanil
2 Vecuronium
3 Desflurane
4none of the above
Which of the following is a barbiturate?
1 Remifentanyl
Methohexital 2 Methohexital
3 Curare
4Nitrous Oxide
Desflurane has a more rapid onset and recovery than Isoflurane bc:
1 Des has a lower blood solubility than Iso
Desflurane has a higher blood
2 Des has a higher blood solubility than Iso
solubility than Isoflurane 3 Des is injected directly into the blood stream
4 a MAC of Des is several times that of Iso
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,3/11/25, 12:59 PM CNIM PRACTICE EXAM 1
Which of the following is consistent with increasing depth of
anesthesia?
bilateral reduction of cortical 1 Bilateral reduction of all SSEPs
SSEPs only 2 Unilateral reduction of SSEPs on the dominant side
3 Bilateral reduction of cortical SSEPs only
4Inc latencies of all SSEPs
Which of the following is most affected by halogenated agents?
1 BAEPs
Posterior tibial cortical potential 2 MN subcortical response
3 Lumbar response to tibial nerve stimulation
4 Posterior tibial cortical potential
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, 3/11/25, 12:59 PM CNIM PRACTICE EXAM 1
Neuromuscular blockers work by:
1 Competitive inhibition of acetylcholine receptors in the motor end
Competitive inhibition of plate
acetylcholine receptors in the 2 Continuous depolarization of muscle fibers to a state of tetany
motor end plate 3 Inhibiting release of neurotransmitters
4 Disabling lower motor neurons
In general, most anesthetic drugs have what effect on cortical
responses?
Dec amplitude, inc latency 1 inc amplitude, dec latency
2 dec amplitude, dec latency
3 dec amplitude, inc latency
4 inc amplitude, inc latency
How could one describe the effect of anesthsia on subcortical
responses?
minimal effect 1 abolishes
2 minimal effect
3 increases amplitude
4 no effect
Which of the following statements is true?
1 anesthesia tends to affect one side more than the other
later cortical peaks are affected
2 all cortical responses are affected equally
more than earlier peaks 3 later cortical peaks are affected more than earlier peaks
4 motor pathways are unaffected by anesthesia
Which of the following peaks will be most affected by Desflurane?
1 P37
P100 2 P100
3 N20
4 Wave V
For spontaneous EMG monitoring, which is the most
appropriate drug to use at induction?
1 Curare
Succinylcholine 2 Pavulon
3 Succinylcholine
4 Norcuron
Which of the following are known to increase evoked potential
amplitudes?
Ketamine 1 Nitrous Oxide
2 Ketamine
3 Halothane
4 Sufentanil
Fentanyl infusion will:
1 have no effect on amplitude or latency
increase latency and decrease 2 decrease amplitude only
amplitude 3 increase amplitude and increase latency
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