CNS Exam I Practice Questions and
answers already passed 2025/2026
The nervous system plays a dominant role in all body responses to internal and external demand
EXCEPT?
A. coordination
B. integration
C. contraction
D. association - correct answer ✔C
The central nervous system consists of two parts the brain or encephalon and the spinal cord or medulla
spinalis, how many cranial nerve pairs are there?
a. 24
b. 31
c.12
d. 62 - correct answer ✔c
The somatic component of the nervous system or the voluntary component innervating skeletal
musculature, what chemical is released by the somatic axon endings?
a. excitatory
b. Acetylcholine
c. Norepinephrin
d. Cholinergic - correct answer ✔b
The autonomic or visceral component of the nervous system also known as the involuntary portion
innervates which of the following musculature?
a. smooth
, b. skeletal
c. intrafusal
d. extrafusal - correct answer ✔a
The parasympathetic subdivision of the visceral component of the nervous system has neurons located
in the CNS and PNS all of the following cranial nerves are present EXCEPT?
a. VII
b. XI
c. IX
d. X - correct answer ✔b
In the sympathetic subdivision the preganglionic neurons release ACH and postganglionic sympathetics
generally release norepinephrine what is the exception?
a. connective tissue
b. lymphatic vessels
c. erectile tissue
d. arrector pili muscles - correct answer ✔d
There are many divisions in the nervous system therefore it is correct to assume that there are multiple
nervous systems contained within the body.
T or F - correct answer ✔F
The third division of the known as the enteric or intrinsic system runs along the gut wall from esophagus
to anal verge, what actions is this system best known for?
a. contraction
d. swallowing
c. peristaltic reflexes
answers already passed 2025/2026
The nervous system plays a dominant role in all body responses to internal and external demand
EXCEPT?
A. coordination
B. integration
C. contraction
D. association - correct answer ✔C
The central nervous system consists of two parts the brain or encephalon and the spinal cord or medulla
spinalis, how many cranial nerve pairs are there?
a. 24
b. 31
c.12
d. 62 - correct answer ✔c
The somatic component of the nervous system or the voluntary component innervating skeletal
musculature, what chemical is released by the somatic axon endings?
a. excitatory
b. Acetylcholine
c. Norepinephrin
d. Cholinergic - correct answer ✔b
The autonomic or visceral component of the nervous system also known as the involuntary portion
innervates which of the following musculature?
a. smooth
, b. skeletal
c. intrafusal
d. extrafusal - correct answer ✔a
The parasympathetic subdivision of the visceral component of the nervous system has neurons located
in the CNS and PNS all of the following cranial nerves are present EXCEPT?
a. VII
b. XI
c. IX
d. X - correct answer ✔b
In the sympathetic subdivision the preganglionic neurons release ACH and postganglionic sympathetics
generally release norepinephrine what is the exception?
a. connective tissue
b. lymphatic vessels
c. erectile tissue
d. arrector pili muscles - correct answer ✔d
There are many divisions in the nervous system therefore it is correct to assume that there are multiple
nervous systems contained within the body.
T or F - correct answer ✔F
The third division of the known as the enteric or intrinsic system runs along the gut wall from esophagus
to anal verge, what actions is this system best known for?
a. contraction
d. swallowing
c. peristaltic reflexes
