2.2 The Brain (II)

Question 1

What are the parts of the diencephalon?

Answer 1

hypothalamus
thalamus
epithalamus

Question 2

What forms the floor of the third ventricle?

Answer 2

hypothalamus

Question 3

What is the function of the hypothalamus?

Answer 3

maintain homeostasis
regulate basic body functions such as hunger, thirst, sleep, body temp, water balance, and blood pressure

Question 4

What does the hypothalamus control?

Answer 4

pituitary gland

Question 5

What does the pituitary gland do?

Answer 5

regulates body hormones of the endocrine system

Question 6

What serves as a link between the nervous and endocrine systems?

Answer 6

hypothalamus

Question 7

What forms the roof of the third ventricle?

Answer 7

thalamus

Question 8

What is the last portion of the brain for sensory input before the cerebrum?

Answer 8

thalamus

Question 9

What is the function of the thalamus?

Answer 9

central relay station for sensory impulses traveling upward from other parts of the body and the brain to the cerebrum

Question 10

What sensory inputs does the thalamus NOT receive?

Answer 10

smell

Question 11

What is the epithalamus?

Answer 11

forms the roof of the third ventricles and is mostly composed of the pineal gland

Question 12

What does the pineal gland secrete?

Answer 12

melatonin

Question 13

What does melatonin control?

Answer 13

wake-sleep cycle

Question 14

Where is the cerebellum located?

Answer 14

inferiorly and posteriorly to the brain

Question 15

What is the cerebellum divided into?

Answer 15

two hemispheres and three lobes

Question 16

What is the cerebellum composed of?

Answer 16

thin outer cortex of gray matter
internal white matter

Question 17

What is the function of the cerebellum?

Answer 17

coordinate body movements by relaying information to the cerebral motor cortex
maintaining balance
controlling certain eye movements
maintaining muscle tone
maintaining posture

Question 18

What is muscle tone?

Answer 18

degree at which muscles remain partially contracted while at rest

Question 19

What is the purpose of maintaining muscle tone?

Answer 19

to keep bones and joints in place

Question 20

Where do the anterior and posterior lobes of the cerebellum receive information from?

Answer 20

body trunk