Question 1

Which of the following best describes the sequence of events during the generation of an action potential in a neuron?

Accepted Answer

Depolarization due to Na$$^+$$ influx, repolarization due to K$$^+$$ efflux, hyperpolarization, and return to resting potential

Question 2

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

Accepted Answer

Paralysis or weakness on the right side of the body

Question 3

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

Accepted Answer

Coordinating voluntary muscle movements

Question 4

Which lobe of the cerebral cortex is primarily responsible for processing somatosensory information?

Accepted Answer

Parietal lobe

Question 5

Which of the following best explains the concept of lateralization of cortical function?

Accepted Answer

Certain cognitive functions are more dominant in one hemisphere of the brain than the other

Question 6

Which fissure separates the two cerebral hemispheres?

Accepted Answer

Longitudinal fissure

Question 7

Which of the following is a function of the thalamus?

Accepted Answer

Relaying sensory information to the cerebral cortex

Question 8

Which of the following best describes the homunculus in the primary motor cortex?

Accepted Answer

A distorted map of the body representing the amount of cortex devoted to each body part

Question 9

Which of the following is the correct order of the meninges from superficial to deep?

Accepted Answer

Dura mater, arachnoid mater, pia mater

Question 10

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

Accepted Answer

CSF is produced by the choroid plexus and circulates through the ventricles, subarachnoid space, and central canal

Question 11

A patient with damage to the cerebellum would most likely experience which of the following symptoms?

Accepted Answer

Loss of coordination and balance

Question 12

Which of the following is NOT a function of the blood-brain barrier?

Accepted Answer

Allowing free passage of all substances into the brain

Question 13

Which ventricle is located in the diencephalon?

Accepted Answer

Third ventricle

Question 14

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

Accepted Answer

Regulation of homeostasis, including temperature, hunger, and endocrine activity

Question 15

Which of the following is the correct pathway for cerebrospinal fluid circulation?

Accepted Answer

Lateral ventricles → third ventricle → cerebral aqueduct → fourth ventricle → subarachnoid space

Question 16

A patient presents with a tumor compressing the midbrain. Which function is most likely to be affected?

Accepted Answer

Visual and auditory reflexes

Question 17

Which of the following is a structural division of the nervous system?

Accepted Answer

Central nervous system (CNS) and peripheral nervous system (PNS)

Question 18

Which of the following is a functional area of the cerebral cortex responsible for voluntary movement?

Accepted Answer

Primary motor cortex

Question 19

Which subdivision of the diencephalon is primarily responsible for relaying sensory information to the cerebral cortex?

Accepted Answer

Thalamus

Question 20

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

Accepted Answer

Relays information between the cerebrum and cerebellum and helps regulate breathing

Central Nervous System: Structure, Function, and Protection (Ch. 11 & 12a) Study Guide

Study Guide - Practice Questions