Question 1

Which structure is responsible for communication between the left and right cerebral hemispheres?

Accepted Answer

Corpus callosum

Question 2

A patient presents with difficulty in decision-making and problem-solving. Which region of the brain is most likely affected?

Accepted Answer

Frontal lobe

Question 3

Which of the following best describes the function of the parietal lobe?

Accepted Answer

Processing tactile senses and proprioception

Question 4

The limbic system is primarily involved in which of the following?

Accepted Answer

Emotional and behavioral expression

Question 5

Which structure is involved in both fear responses and long-term memory formation?

Accepted Answer

Amygdala

Question 6

Which of the following is NOT a function of the hypothalamus?

Accepted Answer

Processing visual information

Question 7

The thalamus acts as a relay center for all sensory information except:

Accepted Answer

Olfactory sensation

Question 8

Which cranial nerve is responsible for the sense of smell?

Accepted Answer

Olfactory nerve (CN I)

Question 9

A lesion in the medulla oblongata would most likely affect which of the following functions?

Accepted Answer

Regulation of heart rate and breathing

Question 10

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

Accepted Answer

Maintenance of balance and posture

Question 11

Which region of the spinal cord contains cell bodies of motor neurons that cause skeletal muscle contractions?

Accepted Answer

Anterior horns

Question 12

Which of the following is TRUE regarding the white matter of the spinal cord?

Accepted Answer

Anterior and lateral columns contain both ascending and descending tracts

Question 13

Which layer of the meninges is directly attached to the inner surfaces of the bones of the cranium?

Accepted Answer

Dura mater

Question 14

Cerebrospinal fluid (CSF) is produced by ependymal cells through blood filtration. Which of the following correctly describes the flow of CSF?

Accepted Answer

Lateral ventricles → third ventricle → cerebral aqueduct → fourth ventricle → central canal and subarachnoid space

Question 15

Which structure absorbs cerebrospinal fluid and metabolic wastes into blood circulation?

Accepted Answer

Arachnoid granulations

Question 16

Which cranial nerve is involved in both facial expressions and the sense of taste?

Accepted Answer

Facial nerve (CN VII)

Question 17

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

Accepted Answer

Main connection between cerebellum and brain stem

Question 18

Which cranial nerve is responsible for hearing and balance?

Accepted Answer

Vestibulocochlear nerve (CN VIII)

Question 19

Which of the following is TRUE regarding the contralateral nature of spinal nerve systems?

Accepted Answer

The right side of the body is connected to the left side of the brain

Question 20

Which cranial nerve is involved in movements of the tongue, speech, and swallowing?

Accepted Answer

Hypoglossal nerve (CN XII)

Anatomy of the Nervous System: Central and Peripheral Structures

Study Guide - Practice Questions