Question 1

Which of the following best describes the function of the basal nuclei in the cerebrum?

Accepted Answer

They coordinate voluntary motor activity and inhibit unnecessary movements.

Question 2

A patient suffers a stroke that damages Broca’s area. Which of the following symptoms would most likely result?

Accepted Answer

Difficulty producing coherent speech, while comprehension remains mostly intact.

Question 3

Which structure acts as the main relay station for sensory information ascending to the cerebral cortex?

Accepted Answer

Thalamus

Question 4

Which of the following best explains why lipid-soluble substances such as alcohol can cross the blood-brain barrier, while most proteins cannot?

Accepted Answer

The blood-brain barrier is formed by tight junctions between endothelial cells, which allow diffusion of lipid-soluble molecules but restrict large or charged molecules.

Question 5

A patient presents with loss of balance and coordination. Damage to which brain structure is most likely responsible?

Accepted Answer

Cerebellum

Question 6

Which of the following is a function of the hypothalamus?

Accepted Answer

Regulation of body temperature, hunger, and endocrine activity

Question 7

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

Accepted Answer

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

Question 8

Which of the following tracts carries voluntary motor commands from the cerebral cortex to the spinal cord?

Accepted Answer

Corticospinal tract

Question 9

A lesion in the primary visual cortex would most likely result in which of the following deficits?

Accepted Answer

Loss of conscious visual perception

Question 10

Which of the following best describes the function of the reticular activating system (RAS)?

Accepted Answer

It maintains consciousness and regulates the sleep-wake cycle.

Question 11

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

Accepted Answer

Gray matter is located centrally, surrounded by white matter.

Question 12

Which of the following best describes the role of the choroid plexus?

Accepted Answer

It produces cerebrospinal fluid by filtering blood plasma.

Question 13

A patient is unable to feel pain and temperature on the right side of their body below the neck. Which tract is most likely damaged?

Accepted Answer

Left spinothalamic tract

Question 14

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

Accepted Answer

It is involved in processing emotions such as fear and aggression.

Question 15

Which of the following is a correct sequence of neuron order in an ascending sensory pathway?

Accepted Answer

First-order neuron → second-order neuron → third-order neuron

Question 16

Which of the following best describes the function of commissural fibers in the brain?

Accepted Answer

They connect the left and right cerebral hemispheres.

Question 17

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

Accepted Answer

Impaired judgment and difficulty with decision-making

Question 18

Which of the following is a function of the medulla oblongata?

Accepted Answer

Regulation of heart rate and respiratory rhythm

Question 19

Which of the following best describes the arbor vitae?

Accepted Answer

The branching white matter of the cerebellum

Question 20

Which of the following is TRUE regarding the meninges of the central nervous system?

Accepted Answer

They consist of three layers: dura mater, arachnoid mater, and pia mater.

Amerman Chapter 12: Central Nervous System Study Guidance

Study Guide - Practice Questions

Study Guide - Flashcards