CNIM PRACTICE EXAM 1 With Verified Answers Graded A+
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Course
CNIM
Institution
CNIM
CNIM PRACTICE EXAM 1 With Verified Answers Graded A+
1. Ventral Nerve
Roots
Lower motors neurons primarily exit the cord through the:
1 dorsal nerve roots
2 ventral nerve roots
3 dorsal columns
4 dorsal root ganglia
2. Glutamate Which one of the following is an excitatory neurotransmit-
te...
2. Glutamate Which one of the following is an excitatory neurotransmit-
ter?
1 GABA
2 Glutamate
3 Glycine
4 Phenylalanine
3. GABA Which one of the following is an inhibitory neurotransmit-
ter?
1 GABA
2 Serotonin
3 Dopamine
4 Phenlalanine
4. the meninges The layers of protective tissue which surround the CNS
are called:
1 the ventricles
2 the meninges
3 Cerebrospinal fluid
4 The Skull
5. Central Sulcus What separates the motor and sensory strips?
1 Sylvian Fissure
2 Central Sulcus
3 Frontal Sulcus
4 Sagittal Fissure
6. The Carotid Ex- The interconnecting blood vessels at the base of the brain
change make up:
1 the circle of Willis
2 the Carotid exchange
3 the circle of Milford
4 the Perfect circle
, CNIM PRACTICE EXAM 1 With Verified Answers Graded A+
7. the left and right The Anterior Communicatinig Artery connects which ar-
anterior cerebral teries?
arteries 1 It does not connect any arteries
2 The posterior Communicating Arteries
3 The left and right anterior cerebral arteries
4 the middle cerebral and the posterior cerebral arteries
8. the anterior cere- The tibial nerve cortical SSEPs would be affected by a
bral artery stroke in which artery?
1 the middle cerebral artery
2 the anterior cerebral artery
3 the posterior cerebral artery
4 the inferior cerebral arteray
9. a major feed- The artery of Adamkiewicz is:
er vessel to the 1 a major blood vessel supplying the brain
spinal cord 2 a major branch of the iliac arteries
3 a major feeding vessel to the kidneys
4 a major feeder vessel to the spinal cord
10. the fasciculus Upper extremity SSEPs transmit through which spinal
cuneatus cord tract?
1 the spinothalamic tract
2 the lateral corticospinal tract
3 the fasciculus gracillis
4 the fasciculus cuneatus
11. Above the T1 ver- The C8 nerve root exits the spinal cord:
tebrae 1 above the C8 vertebrae
2 below the C8 vertebrae
3 above the T1 vertebrae
4 there is no C8 nerve root
12. cauda equina The nerve roots that extend below the spinal cord make
up the:
1 cauda equina
2 spina bifida
3 Filum Terminale
4 Conus Medularis
,13. C8-T1 The nerve root entry levels for the ulnar nerve are:
1 C1-4
2 C5-T1
3 C5-6
4 C8-T1
14. L4-S3 The nerve root entry levels for posterior tibial nerve are:
1 C5-T1
2 L1-4
3 L4-S3
4 S1-S5
15. Sciatic The tibial and common peroneal nerves form from what
nerve?
1 Sural
2 Saphenous
3 Femora
4 Sciatic
16. Abductor pollicis Stimulation of the MN at the wrist will activate which
brevis muscle?
1 Abductor digiti minimi
2 Abductor pollicis brevis
3 Biceps
4 Deltoid
17. Across the head Stimulation of the peroneal nerve is performed:
of the fibula 1 across the medial malleolus
2 across the lateral malleolus
3 across the head of the fibula
4 in the medial third of the antecubital space
18. the The resting membrane potential of a neuron is primarily
Sodium-Potassi- maintained by:
um pump 1 passive diffusion of charged ions
2 the sodium-potassium pump
3 action potentials
4 the opening of sodium channels
, 19. -70mV inside the A typical resting membrane potential of a neuron is:
cell 1 +20 mV inside the cell
2 -20 mV inside the cell
3 +70 mV inside the cell
4 -70 mV inside the cell
20. Voltage-gated What is the initial event that occurs when the action po-
Sodium tential threshold of a neuron is reached?
channels open 1 The ATP pump shuts down
2 Voltage-gated Sodium channels open
3 Voltage-gated Sodium channels close
4 Sodium rapidly diffuses out of the cell
21. Depolarization of An EPSP will cause what to happen?
the post-synap- 1 Depolarization of the post-synaptic membrane
tic membrane 2 Hyperpolarization of the post-synaptic membrane
3 Propagation of an action potential
4 Inhibition of all action potentials
22. Pumps K into the The Sodium-Potassium Pump:
cell and Na out of 1 Pumps Na into the cell and K out of the cell
the cell 2 Pumps both Na and K out of the cell
3 Pumps K into the cell and Na out of the cell
4 Pumps both Na and K into the cell
23. Its membrane Activation of an action potential of a neuron will depend
potential based on:
on the spa- 1 the efficiency of its Na-K pump
tiotemporal sum- 2 Its membrane potential based on the spatiotemporal
mation of its ex- summation of its excitatory and inhibitory inputs
citatory and in- 3 the number of Sodium channels in the membrane
hibitory inputs 4 the number of excitatory versus inhibitory synaptic con-
nections
24. the lateral corti- Transcranial motor evoked potentials transmit primarily
cospinal tract through which spinal cord tract?
1 the spinothalamic tract
2 the lateral corticospinal tract
3 the fasciculus gracilis
4 the fasciculus cuneatus
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