Question 1

Which of the following best describes the difference between gray matter and white matter in the central nervous system?

Accepted Answer

Gray matter contains neuron cell bodies and dendrites, while white matter is composed primarily of myelinated axons.

Question 2

The elevated ridges on the cerebral surface are called ________, while the shallow grooves are ________.

Accepted Answer

gyri; sulci

Question 3

Which structure is responsible for the regulation of body temperature and hunger?

Accepted Answer

Hypothalamus

Question 4

A patient presents with loss of voluntary motor planning and impaired decision making. Which lobe of the brain is most likely affected?

Accepted Answer

Frontal lobe

Question 5

Which of the following is a function of cerebrospinal fluid (CSF)?

Accepted Answer

Provides buoyancy and shock absorption for the brain

Question 6

Which meningeal layer is the tough, outermost covering of the brain?

Accepted Answer

Dura mater

Question 7

The blood-brain barrier primarily functions to:

Accepted Answer

Limit passage of harmful substances into the CNS

Question 8

Which brain structure acts as a relay station for sensory information?

Accepted Answer

Thalamus

Question 9

A deep groove that separates major regions of the brain is called a:

Accepted Answer

fissure

Question 10

Which of the following cranial nerves is purely sensory?

Accepted Answer

Olfactory nerve (CN I)

Question 11

Which structure produces cerebrospinal fluid?

Accepted Answer

Choroid plexus

Question 12

A patient with damage to the medulla oblongata would most likely experience problems with:

Accepted Answer

Control of heart rate and respiration

Question 13

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

Accepted Answer

Coordination of balance and motor control

Question 14

Which of the following is NOT a function of cerebrospinal fluid?

Accepted Answer

Transmitting electrical impulses

Question 15

Which brain structure is primarily responsible for visual processing?

Accepted Answer

Occipital lobe

Question 16

Which of the following is the correct order of the meningeal layers from outermost to innermost?

Accepted Answer

Dura mater, arachnoid mater, pia mater

Question 17

Which cranial nerve is responsible for most of the parasympathetic output to the thoracic and abdominal organs?

Accepted Answer

Vagus nerve (CN X)

Question 18

A patient with a lesion in the pons would most likely have difficulty with which function?

Accepted Answer

Regulation of breathing

Question 19

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

Accepted Answer

Web-like middle meningeal layer

Question 20

Which of the following is a mixed cranial nerve, containing both sensory and motor fibers?

Accepted Answer

Trigeminal nerve (CN V)

Chapter 12 Guided Notes

Study Guide - Practice Questions