$$\text{Lateral ventricles} \rightarrow \text{third ventricle} \rightarrow \text{cerebral aqueduct} \rightarrow \text{fourth ventricle}$$

Question 1

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

Accepted Answer

Corpus callosum

Question 2

A patient suffers a stroke that damages the prefrontal cortex. Which of the following symptoms is most likely to occur?

Accepted Answer

Impaired higher cognitive functions such as decision making

Question 3

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

Accepted Answer

Temporal lobe

Question 4

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

Accepted Answer

Principal relay center for all sensory information except olfaction

Question 5

A lesion in the hippocampus would most likely result in which of the following deficits?

Accepted Answer

Impaired long-term memory formation

Question 6

Which of the following cranial nerves is responsible for the sense of smell?

Accepted Answer

Olfactory nerve (CN I)

Question 7

Which structure is involved in the regulation of heart rate, blood pressure, and breathing?

Accepted Answer

Medulla oblongata

Question 8

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

Accepted Answer

Maintenance of balance and posture

Question 9

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

Accepted Answer

White matter is divided into columns containing ascending and descending tracts

Question 10

A patient presents with loss of sensation on the right side of the body. Which side of the brain is most likely affected, and why?

Accepted Answer

Left side, because many sensory pathways are contralateral

Question 11

Which of the following best describes the function of the arachnoid granulations?

Accepted Answer

Absorb cerebrospinal fluid into blood circulation

Question 12

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

Accepted Answer

Facial nerve (CN VII)

Question 13

Which of the following is a function of the hypothalamus?

Accepted Answer

Regulation of homeostasis, including body temperature and circadian rhythm

Question 14

Which of the following best describes the flow of cerebrospinal fluid (CSF) through the ventricular system?

Accepted Answer

$$	ext{Lateral ventricles} ightarrow 	ext{third ventricle} ightarrow 	ext{cerebral aqueduct} ightarrow 	ext{fourth ventricle}$$

Question 15

Which of the following cranial nerves is responsible for hearing and balance?

Accepted Answer

Vestibulocochlear nerve (CN VIII)

Question 16

Which of the following is TRUE about the dorsal root ganglion?

Accepted Answer

It contains cell bodies of sensory neurons

Question 17

Which structure is primarily responsible for the maintenance of balance and posture by comparing motor commands to proprioceptive information?

Accepted Answer

Cerebellum

Question 18

Which of the following best describes the function of the limbic system?

Accepted Answer

Center of emotional and behavioral expression

Question 19

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

Accepted Answer

Hypoglossal nerve (CN XII)

Question 20

Which of the following best describes the organization of ascending and descending tracts in the spinal cord?

Accepted Answer

Ascending tracts carry sensory information from the PNS to the brain

Anatomy of the Nervous System: Central and Peripheral Nervous System Overview

Study Guide - Practice Questions