EXAM IV CH12 Fill-In-The-Blank

Question 1

The fourth ventricle is continuous with the ________ of the spinal cord.

Answer 1

central canal

Question 2

The large commissure that connects the right and left sides of the brain is called the ________.

Answer 2

corpus callosum

Question 3

The ________ is a conduction pathway between higher and lower brain centers and houses nuclei for cranial nerves V-VII.

Answer 3

Pons

Question 4

The infundibulum connects the hypothalamus to the ________.

Answer 4

pituitary gland

Question 5

The structures that are valvelike and protrude externally through the dura mater to absorb cerebrospinal fluid into venous blood are the ________.

Answer 5

arachnoid villi

Question 6

Sensory neurons enter the spinal cord via the ________ horn.

Answer 6

dorsal

Question 7

________ memory requires practice, and is remembered by doing.

Answer 7

Procedural (skill)

Question 8

The ________ includes the thalamus, hypothalamus, and epithalamus.

Answer 8

diencephalon

Question 9

The two longitudinal ridges on the medulla oblongata where many descending fibers cross over are called the ________.

Answer 9

pyramids

Question 10

The largest nuclear mass in the midbrain is the ________.

Answer 10

corpora quadrigemina

Question 11

In stage 3 sleep, ________ and ________ waves appear.

Answer 11

theta; delta

Question 12

The ________ is the main switch station for memory; if the right and left areas are damaged, the past is lost.

Answer 12

hippocampus

Question 13

________ rhythm is a 24-hour cycle of sleep and wakefulness.

Answer 13

Circadian

Question 14

________ is a temporary cessation of breathing during sleep found most commonly in the elderly.

Answer 14

Sleep apnea

Question 15

The ________ is a protective mechanism that helps maintain a stable environment for the brain.

Answer 15

blood-brain barrier