Endocrinology- Exam 2

Question 1

The adrenal gland is comprised of:

Answer 1

adrenal cortex & adrenal medulla

Question 2

Inner portion of adrenal gland:

Answer 2

Medulla

Question 3

What does the medulla secrete?

Answer 3

catecholamines

Question 4

Outer portion of the adrenal gland:

Answer 4

cortex

Question 5

What does the cortex of the adrenal gland secrete?

Answer 5

adrenal steroids

Question 6

The adrenal cortex produces about:

Answer 6

50 different chemcials

Question 7

The chemicals of the adrenal gland that have pharamacologic properties include: (3)

Answer 7

1. mineral corticoids
2. glucocorticoids - cortisol
3. androgens

Question 8

The three layers of the adrenal cortex:

Answer 8

1. zona glomerulosa
2. zona fasciculata
3. zona reticularis

Question 9

What chemicals are produced by the following?

1. zona glomerulosa
2. zona fasciculata
3. zona reticularis

Answer 9

zona glomerulosa (mineralcorticoids)

zona fasciculata (glucocorticoids)

zona reticularis (produces sex hormones, mostly androgens and small amounts of glucocorticoids)

Question 10

Mineralcorticoids are produced in the:

Answer 10

zona glomerulosa

Question 11

What is the function of mineralcorticoids?

Answer 11

Regulate water and electrolyte balance

Question 12

Mineralcorticoids regulate water and electrolyte balance, more specifically:

Answer 12

• Na+ and K+ fluid balance
• provide important homeostatic functions