NSG 3280 EXAM 4 REVIEW QUESTIONS WITH SOLUTIONS 2026/2027

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NSG 3280 EXAM 4 REVIEW
QUESTIONS WITH SOLUTIONS
2026/2027



A patient who is experiencing swings in heart rate and irregular breathing during

sleep is most likely in the stage of - sleep



a. deep

b. REM

c. alpha wave

d. delta wave - correct-answer - B. REM




Memories are stored in the nervous system by



a. specific neurons in the cortex.

b. rearrangement of synaptic contacts.

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c. selective apoptosis of neurons.

d. changes in synaptic efficiency. - correct-answer - d. changes in synaptic

efficiency.




The primary function of the central nervous system is to



a. process information to be relayed to muscles and glands.

b. serve the afferent sensory system.

c. serve the efferent motor system.

d. mediate involuntary functions. - correct-answer - a. process information to be

relayed to muscles and glands.




The - protects the soft tissue of the brain.



a. dural septa

b. dura

c. falx cerebri

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d. tentorium cerebella - correct-answer - b. dura




The integrity of the blood-brain barrier is maintained in part by CNS cells called



a. ganglia.

b. leptocytes.

c. neurocytes.

d. astrocytes. - correct-answer - d. astrocytes.




The pathologic process called hydrocephalus would be manifested by - ventricular

size



a. decreased CSF, increased

b. increased CSF, increased

c. decreased CSF, decreased

d. increased CSF, decreased - correct-answer - b. increased CSF, increased

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The peripheral nervous system contains a total of - nerves



a. 12

b. 31

c. 24

d. 86 - correct-answer - d. 86




Within the spinal nerves, there are ____ pairs of thoracic nerves.



a. 8

b. 12

c. 5

d. 2 - correct-answer - b. 12




Neurons with one dendrite and one axon are