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Neuroanatomy and Neural Pathways
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Neuroanatomy and Neural Pathways
Neuroanatomy and Neural Pathways
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1
Question
Which nerve gives rise to the common peroneal nerve at the superior angle of the popliteal fossa?
Page 1
Answer
Sciatic nerve
2
Question
At which spinal levels is the median nerve formed?
Page 1
Answer
C5 – T1
3
Question
Through which openings do spinal nerves emerge from the vertebral column?
Page 1
Answer
Intervertebral foramina
4
Question
Which brainstem section contains the pyramidal decussation and continues with the spinal cord?
Page 1
Answer
Medulla oblongata
5
Question
The peroneal and tibial nerves are divisions of which major nerve?
Page 1
Answer
Sciatic nerve
6
Question
Which listed pathway does not include a decussation?
Page 1
Answer
The auditory radiations
7
Question
From which spinal roots does the ulnar nerve originate?
Page 1
Answer
C7 – T1
8
Question
Which artery is abbreviated as MCA in the median nerve association?
Page 1
Answer
MCA
9
Question
Which major positive ion is located inside a cell or axon?
Page 1
Answer
K
10
Question
Which movement is produced by the C5 motor cervical nerve root?
Page 1
Answer
Arm abduction
11
Question
Which spinal roots give rise to the pudendal nerve?
Page 1
Answer
S2, S3 and S4 spinal roots
12
Question
Which neurotransmitter always causes excitation of postsynaptic neurons in the listed choices?
Page 1
Answer
Glutamate
13
Question
Which structures lie between adjacent vertebral bodies and bond them together?
Page 1
Answer
Intervertebral discs
14
Question
Which arteries provide the stated blood supply to the spinal cord?
Page 1
Answer
One anterior spinal artery and two posterior spinal arteries
15
Question
Which cerebral artery carries the greatest ischemic risk during carotid endarterectomy?
Page 1
Answer
The middle cerebral artery
16
Question
How is Meckle’s Cave defined anatomically?
Page 1
Answer
Depression in the medial middle fossa where the trigeminal nerve ganglion sits
17
Question
Which lumbar spinal curve normally develops at one to two years of age?
Page 1
Answer
Kyphosis
18
Question
Where is the first synaptic junction of cranial nerve VIII in the brainstem?
Page 1
Answer
The cochlear nucleus
19
Question
Ipsilateral cranial nerve deficits with contralateral motor deficits indicate a lesion at which site?
Page 1
Answer
Brainstem
20
Question
What change occurs when an inhibitory transmitter acts on a postsynaptic neuron?
Page 1
Answer
The membrane becomes hyperpolarized
21
Question
Where does the vestibulocochlear nerve appear on the brainstem?
Page 1
Answer
In the groove between the pons and medulla oblongata
22
Question
Which ion concentration differences create the resting membrane potential?
Page 1
Answer
K+, Na+, and Cl-
23
Question
Which processes project laterally from the junction of the pedicle and lamina?
Page 1
Answer
Transverse processes
24
Question
From which structures are peripheral nerves such as the ulnar, median, and femoral nerves formed?
Page 1
Answer
Dorsal and ventral rami
25
Question
Which neurotransmitter can inhibit the postsynaptic neuron?
Page 1
Answer
Gamma amino butyric acid
26
Question
What is the typical resting membrane potential of a neuron?
Page 1
Answer
-70 mV inside the cell
27
Question
Which innermost connective tissue membrane covers the brain?
Page 2
Answer
Pia
28
Question
Which branch of the sciatic nerve gives rise to the posterior tibial nerve?
Page 2
Answer
Superior tibial
29
Question
Which neurotransmitter is identified as excitatory in the listed choices?
Page 2
Answer
Glutamate
30
Question
Which neurotransmitter is identified as inhibitory in the listed choices?
Page 2
Answer
GABA