Question 1

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

Accepted Answer

Coordination of voluntary movements and maintenance of balance

Question 2

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

Accepted Answer

Posterior column pathway

Question 3

Which lobe of the cerebral cortex is primarily responsible for voluntary motor control and planning?

Accepted Answer

Frontal lobe

Question 4

The medulla oblongata is essential for which of the following functions?

Accepted Answer

Regulation of breathing and heart rate

Question 5

Which cranial nerve is responsible for facial sensation and controlling the muscles of mastication?

Accepted Answer

Cranial Nerve V (Trigeminal)

Question 6

A lesion in the occipital lobe would most likely result in which deficit?

Accepted Answer

Loss of vision

Question 7

Which of the following statements about cerebrospinal fluid (CSF) is correct?

Accepted Answer

CSF supports the brain by allowing it to float and cushions the CNS

Question 8

Which structure relays sensory information to the sensory cortex and is involved in controlling motor commands?

Accepted Answer

Thalamus

Question 9

A patient has difficulty maintaining balance and fine-tuning movements. Which brain region is most likely affected?

Accepted Answer

Cerebellum

Question 10

Which of the following best describes the function of the dorsal (posterior) root of a spinal nerve?

Accepted Answer

Carries sensory neuron axons

Question 11

Which cranial nerve is primarily responsible for hearing and balance?

Accepted Answer

Cranial Nerve VIII (Vestibulocochlear)

Question 12

Which of the following is a correct sequence of steps in a basic spinal reflex arc?

Accepted Answer

Stimulus → Sensory receptor activation → Sensory neuron activation → Interneuron processing → Motor neuron activation → Effector response

Question 13

Which of the following best explains why injury to a single spinal nerve may affect multiple muscles or areas?

Accepted Answer

Nerve plexuses allow mixing of fibers from different spinal nerves

Question 14

Which brain region is responsible for regulating homeostasis, autonomic control, and hormone production?

Accepted Answer

Hypothalamus

Question 15

A patient is unable to move their tongue properly and has difficulty with speech and swallowing. Which cranial nerve is most likely damaged?

Accepted Answer

Cranial Nerve XII (Hypoglossal)

Question 16

Which of the following statements about gray and white matter in the spinal cord is correct?

Accepted Answer

White matter surrounds gray matter and contains ascending and descending tracts

Question 17

Which of the following is a function of the pons?

Accepted Answer

Relay of sensory and motor information and regulation of breathing

Question 18

Which cranial nerve is involved in both taste (posterior tongue) and the gag reflex?

Accepted Answer

Cranial Nerve IX (Glossopharyngeal)

Question 19

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

Accepted Answer

Relays sensory information to the cortex and controls motor commands

Question 20

A patient with damage to the left parietal lobe would most likely experience which of the following symptoms?

Accepted Answer

Impaired somatic sensory processing on the right side of the body

Nervous System: Structure, Function, and Pathways

Study Guide - Practice Questions