Question 1

During embryonic development, which primary brain vesicle gives rise to the midbrain in the adult brain?

Accepted Answer

Mesencephalon

Question 2

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

Accepted Answer

Corpus callosum

Question 3

A patient suffers a stroke that damages the left primary motor cortex. Which side of the body is most likely to be paralyzed?

Accepted Answer

Right side

Question 4

Which of the following best describes the function of the premotor cortex?

Accepted Answer

Helps plan movements and coordinates learned motor skills

Question 5

Which lobe of the brain is primarily responsible for processing visual information?

Accepted Answer

Occipital lobe

Question 6

The primary somatosensory cortex is located in which gyrus?

Accepted Answer

Postcentral gyrus

Question 7

Which of the following statements about the meninges is correct?

Accepted Answer

The dura mater consists of two layers in the brain

Question 8

Which type of white matter fiber connects the left and right cerebral hemispheres?

Accepted Answer

Commissural fibers

Question 9

A lesion in the right parietal lobe would most likely affect which of the following functions?

Accepted Answer

Spatial awareness and attention

Question 10

Which ventricle is located in the diencephalon and connects to the lateral ventricles via the interventricular foramen?

Accepted Answer

Third ventricle

Question 11

Which pathway transmits pain and temperature sensations to the brain?

Accepted Answer

Spinothalamic pathway

Question 12

Which of the following best describes the organization of gray and white matter in the spinal cord?

Accepted Answer

White matter is external to gray matter

Question 13

A patient has difficulty with voluntary eye movements and speech production. Which cortical areas are most likely affected?

Accepted Answer

Frontal eye field and Broca's area

Question 14

Which of the following is a function of the thalamus?

Accepted Answer

Relays sensory information to the cerebral cortex

Question 15

Which of the following best explains why damage to the left hemisphere often results in language deficits?

Accepted Answer

The left hemisphere is dominant for language in most people

Question 16

Which of the following structures is NOT part of the brainstem?

Accepted Answer

Cerebellum

Question 17

Which of the following is TRUE regarding the function of the primary motor cortex?

Accepted Answer

It initiates voluntary movement of skeletal muscle

Question 18

Which meningeal layer contains cerebrospinal fluid and the largest blood vessels of the brain?

Accepted Answer

Arachnoid mater

Question 19

A patient presents with loss of fine touch and proprioception on the right side of the body. Which pathway is most likely damaged?

Accepted Answer

Dorsal column–medial lemniscal pathway

Question 20

Which of the following best describes the concept of somatotopy in the primary motor and somatosensory cortices?

Accepted Answer

Specific regions of the cortex correspond to specific body parts

Central Nervous System: Structure, Development, and Functional Organization

Study Guide - Practice Questions