4.25 Cerebrum 1

Question 1

What is the hypothalamus part of?

Answer 1

diencephalon

Question 2

What is a major thing the hypothalamus plays a part in?

Answer 2

stress: fear, lack of food, anxiety, etc

Question 3

What does the hypothalamus stimulate?

Answer 3

• sympathetic neurons

- pituitary gland

Question 4

When the hypothalamus stimulates sympathetic neurons, what does it cause the release of?

Answer 4

norepinephrine

Question 5

Norepinephrine is the precursor to _______

Answer 5

epinephrine

Question 6

How does the hypothalamus stimulate the pituitary gland?

Answer 6

by releasing ACTH

Question 7

What is ACTH and what does it affect?

Answer 7

• adrenocorticotropic hormone

- affects adrenal glands (both cortex and adrenal medulla)

Question 8

The adrenal cortex releases:

Answer 8

• aldosterone

- glucocorticoids

Question 9

The adrenal medulla releases:

Answer 9

epinephrine

Question 10

What does aldosterone release cause?

Answer 10

⬆︎ BP

Question 11

What is a major glucocorticoid?

Answer 11

cortisol

Question 12

What do glucocorticoids do?

Answer 12

⬇︎ t-cell function
⬇︎ blood flow to GI
⬇︎ insulin uptake » blood sugar spike

Question 13

With ⬇︎ insulin uptake, what is the end result (along with blood sugar spikes)

Answer 13

don’t make as much insulin

Question 14

With overall decreased function caused by glucocorticoids, what happens?

Answer 14

propensity for diabetic conditions and weight gain

Question 15

What type of response does epinephrine release from the adrenal medulla cause?

Answer 15

same response as cortisol

Question 16

What does the hippocampus help form?

Answer 16

memories

Question 17

Where does memory retrieval come from?

Answer 17

somewhere in the frontal cortex

Question 18

The first place for memory storage is the

Answer 18

hippocampus

Question 19

The first place to be degraded by Alzheimer’s disease is

Answer 19

hippocampus