Question 1

Which of the following best describes the two main components of the central nervous system (CNS)?

Accepted Answer

The brain and the spinal cord

Question 2

The CNS functions as the _____ center for the human body, responsible for almost everything we do, think, and feel.

Accepted Answer

integration

Question 3

Which of the following actions does the central nervous system play a role in?

Accepted Answer

All of the above

Question 4

The adult brain can be divided into how many major regions?

Accepted Answer

Four

Question 5

Which region of the brain is the central part of the forebrain and consists of the hypothalamus and epithalamus?

Accepted Answer

Diencephalon

Question 6

During fetal development, the prosencephalon becomes the _____ and the _____.

Accepted Answer

Cerebrum and diencephalon

Question 7

Nervous tissue making up the brain and spinal cord is composed of how many types of matter?

Accepted Answer

Two

Question 8

Which statement about white matter is true?

Accepted Answer

White matter is optimized for transferring signals rapidly throughout the CNS.

Question 9

Subcortical clusters of gray matter in the brain are called:

Accepted Answer

Basal nuclei

Question 10

Which hemisphere of the brain is primarily responsible for language, intellect, and logical thinking?

Accepted Answer

Left hemisphere

Question 11

Aphasia is a condition that often prevents people from being able to talk. For most people, this means there is an issue with the _____ hemisphere of their brain.

Accepted Answer

Left

Question 12

The phenomenon where each hemisphere of the brain is specialized for certain functions is called:

Accepted Answer

Lateralization

Question 13

Which side of the body does each cerebral hemisphere control?

Accepted Answer

The opposite side

Question 14

The surface of the cerebrum features elevated ridges called _____ and shallow grooves called _____.

Accepted Answer

Gyri; sulci

Question 15

Which type of matter is present in gyri and sulci on the surface of the cerebrum?

Accepted Answer

Gray matter only

Question 16

The brain is divided into two cerebral hemispheres by the _____ fissure.

Accepted Answer

Longitudinal fissure

Question 17

If a patient has a tumor in the midbrain, which major region of the brain is affected?

Accepted Answer

Brainstem

Question 18

The diencephalon is _____ to the brainstem and _____ to the cerebellum.

Accepted Answer

Superior, anterior

Question 19

Which equation best represents the relationship between the number of primary brain vesicles ($$n) $$and the number of major adult brain regions ($$r$$)?

Accepted Answer

$$n = r - 1$$

Question 20

Which of the following is a real-life example of contralateral control in the brain?

Accepted Answer

A person with a stroke in the right hemisphere experiencing weakness on the left side of the body

Central Nervous System and Brain Structure: Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard