Question 1

Which embryonic structure gives rise to the central nervous system (CNS)?

Accepted Answer

Neural tube

Question 2

During neurulation, what is the primary role of the notochord?

Accepted Answer

It induces the overlying ectoderm to form the neural plate

Question 3

Which of the following brain regions is derived from the telencephalon?

Accepted Answer

Cerebrum

Question 4

A patient presents with loss of voluntary motor control on the right side of the body. Which area of the cerebral cortex is most likely damaged?

Accepted Answer

Left precentral gyrus

Question 5

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

Accepted Answer

Filtering and limiting inappropriate motor responses

Question 6

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

Accepted Answer

Temporal lobe

Question 7

The blood-brain barrier is essential because it:

Accepted Answer

Regulates the passage of substances from the blood into the brain, protecting neural tissue from toxins

Question 8

Which of the following is a function of the diencephalon?

Accepted Answer

Regulating biological rhythms and relaying sensory information

Question 9

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

Accepted Answer

White matter consists mainly of myelinated axons

Question 10

A lesion in the Broca’s area would most likely result in which of the following deficits?

Accepted Answer

Difficulty producing speech

Question 11

Which of the following best describes the sequence of events during neurulation?

Accepted Answer

Neural plate forms, neural folds elevate, neural tube closes

Question 12

Which brain structure is responsible for maintaining homeostasis and regulating the autonomic nervous system?

Accepted Answer

Hypothalamus

Question 13

Which of the following is a function of the cerebellum?

Accepted Answer

Coordinating and monitoring movement

Question 14

Which of the following fiber types connects the two cerebral hemispheres?

Accepted Answer

Commissural fibers

Question 15

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

Accepted Answer

Visual disturbances or loss of vision

Question 16

Which of the following is the correct order of brain vesicle development from the neural tube?

Accepted Answer

Prosencephalon, mesencephalon, rhombencephalon

Question 17

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

Accepted Answer

Regulation of emotions and memory

Question 18

Which of the following is TRUE regarding the lateralization of cerebral function?

Accepted Answer

The left hemisphere is dominant for language and logic in most people

Question 19

Which of the following is a real-life example of the importance of the blood-brain barrier?

Accepted Answer

It prevents antibiotics from reaching brain infections, requiring special drugs for meningitis

Question 20

Which of the following structures is NOT derived from the neural crest?

Accepted Answer

Somites

Central Nervous System: Structure, Development, and Functional Organization

Study Guide - Practice Questions