Question 1

Which type of glial cell is responsible for creating the myelin sheath in the central nervous system (CNS)?

Accepted Answer

Oligodendrocyte

Question 2

A patient presents with loss of sensation in the lateral aspect of the forearm. Which nerve is most likely affected?

Accepted Answer

Musculocutaneous nerve

Question 3

Which structure separates the frontal lobe from the parietal lobe in the brain?

Accepted Answer

Central sulcus

Question 4

Which of the following best describes the function of the choroid plexus?

Accepted Answer

Produces cerebrospinal fluid

Question 5

A lesion in which area would most likely result in expressive aphasia (difficulty producing speech)?

Accepted Answer

Broca’s area

Question 6

Which of the following is TRUE regarding the organization of gray and white matter in the spinal cord?

Accepted Answer

White matter is found in columns, gray matter in horns

Question 7

Which of the following best describes a multipolar neuron?

Accepted Answer

A neuron with multiple dendrites and a single axon

Question 8

A patient suffers a stroke affecting the primary motor cortex. Which function is most likely impaired?

Accepted Answer

Voluntary muscle movement

Question 9

Which of the following is the correct order of the meninges from superficial to deep?

Accepted Answer

Dura mater, arachnoid mater, pia mater

Question 10

Which nerve is the largest in the body and is commonly injured in posterior hip dislocations?

Accepted Answer

Sciatic nerve

Question 11

Which structure connects the two cerebral hemispheres and allows communication between them?

Accepted Answer

Corpus callosum

Question 12

A patient has a tumor compressing the optic chiasm. Which visual deficit is most likely?

Accepted Answer

Loss of peripheral vision (bitemporal hemianopsia)

Question 13

Which of the following best describes the function of the thalamus?

Accepted Answer

Relays sensory information to the cerebral cortex

Question 14

Which of the following is a function of the hypothalamus?

Accepted Answer

Regulating hunger and thirst

Question 15

Which of the following best describes the cauda equina?

Accepted Answer

A bundle of nerves at the inferior end of the spinal cord

Question 16

Which of the following is TRUE regarding the white matter of the CNS?

Accepted Answer

It contains myelinated axons

Question 17

A patient with damage to the dorsal root of a spinal nerve would most likely experience which symptom?

Accepted Answer

Loss of sensory function

Question 18

Which of the following best describes the function of the cerebellum?

Accepted Answer

Coordinates voluntary movements and balance

Question 19

Which of the following is the correct sequence of cerebrospinal fluid flow through the ventricles?

Accepted Answer

Lateral ventricles → third ventricle → cerebral aqueduct → fourth ventricle

Question 20

Which of the following best describes the function of the nodes of Ranvier?

Accepted Answer

They allow for saltatory conduction of action potentials

Nervous System Microanatomy and Gross Anatomy: Study Notes

스터디 가이드 - 연습 문제