Question 1

Which of the following best describes the primary function of the thalamus in the diencephalon?

Accepted Answer

It relays and processes sensory information to the cerebrum, acting as a 'gatekeeper.'

Question 2

A patient presents with loss of coordination and difficulty with timekeeping and impulse control. Which brain region is most likely affected?

Accepted Answer

Cerebellum

Question 3

Which of the following structures is responsible for producing cerebrospinal fluid (CSF)?

Accepted Answer

Choroid plexus

Question 4

Which of the following is NOT a function of cerebrospinal fluid (CSF)?

Accepted Answer

Generating action potentials in neurons

Question 5

A blow to the head causes bleeding between the dura mater and the skull. Which space is affected?

Accepted Answer

Epidural space

Question 6

Which of the following best explains why lipid-soluble drugs can cross the blood-brain barrier more easily than water-soluble drugs?

Accepted Answer

Lipid-soluble compounds can diffuse across endothelial cells of CNS capillaries.

Question 7

Which of the following is a function of the hypothalamus?

Accepted Answer

Regulation of hormone production in the pituitary gland

Question 8

A patient has difficulty forming new long-term memories but can recall old memories. Which brain structure is most likely damaged?

Accepted Answer

Hippocampus

Question 9

Which of the following statements about the spinal cord is correct?

Accepted Answer

The anterior horn contains cell bodies for somatic motor neurons.

Question 10

Which of the following best describes the role of the basal nuclei?

Accepted Answer

They are involved in the regulation of voluntary motor movements and procedural learning.

Question 11

Which of the following is TRUE regarding the organization of white matter in the cerebrum?

Accepted Answer

Commissural fibers connect the two cerebral hemispheres.

Question 12

A patient is unable to interpret spoken language but can still speak fluently. Which area of the brain is most likely damaged?

Accepted Answer

Wernicke’s area

Question 13

Which of the following best describes the function of the medulla oblongata?

Accepted Answer

Regulation of autonomic functions such as heart rate, blood pressure, and digestion

Question 14

Which of the following is a correct pairing of a dural fold and its location?

Accepted Answer

Falx cerebri – between the cerebral hemispheres

Question 15

Which of the following best explains why the brain consumes a disproportionate amount of oxygen and glucose compared to its mass?

Accepted Answer

Neurons have high metabolic demands to maintain ion gradients and synaptic activity.

Question 16

Which of the following is a function of the limbic system?

Accepted Answer

Establishing emotional states and facilitating memory storage and retrieval

Question 17

Which of the following best describes the flow of cerebrospinal fluid (CSF) in the central nervous system?

Accepted Answer

CSF is produced by the choroid plexus, circulates through the ventricles, flows into the subarachnoid space, and is reabsorbed into the venous sinuses via arachnoid granulations.

Question 18

A patient with a lesion in the prefrontal cortex would most likely experience which of the following symptoms?

Accepted Answer

Difficulty with decision-making and changes in personality

Question 19

Which of the following statements about the spinal meninges is correct?

Accepted Answer

The dura mater forms the outermost covering and creates the spinal dural sac.

Question 20

Which of the following best describes the function of the posterior horn of the spinal cord?

Accepted Answer

Processing somatic and visceral sensory stimuli

The Central Nervous System: Structure, Protection, and Function

Study Guide - Practice Questions

Study Guide - Flashcards