week 1 review

Question 1

which hormone is not of clinical significance in the pt presenting with panhypopituitarism
- ACTH
- hCG
- TSH
- GH

Answer 1

hCG
all others are released from the anterior pituitary gland

Question 2

what is the difference between a tropic hormone and a direct effector hormone

Answer 2

tropic hormones act on endocrine glands, while direct effector hormones act on peripheral tissues

Question 3

a patient has signs and symptoms suggestive of acromegaly. The diagnosis would be confirmed if the patient had which of the following?
- An elevated serum phosphate concentration
- A decreased serum growth hormone releasing factor concentration
- No decrease in serum growth hormone concentration 90 minutes after oral glucose administration
- an increased serum somatostatin concentration

Answer 3

No decrease in serum growth hormone concentration 90 minutes after oral glucose administration
- GH blocks insulin and increases glucose release, if oral glucose is administered you would expect increased glucose and GH levels

Question 4

What portion of the adrenals produces glucocorticoids?
- Adrenal medulla
- Zona glomerulosa
- Zona fasiculata
- Zona reticularis

Answer 4

Zona fasiculata

Question 5

A 37 year old patient presents with low ACTH and low cortisol. What hormone replacement therapy is indicated?
- glucocorticoids
- Mineralocorticoids
- DHEA
- All of the above

Answer 5

glucocorticoids
- glucocorticoid classification includes cortisol

Question 6

Which of the following tissues doesn’t not secrete steroid hormones?
- Ovaries
- Pituitary gland
- Testes
- Adrenal cortex

Answer 6

pituitary gland

Question 7

If a patient had a luteal phase defect, which hormone would most likely be deficient?
- prolactin
- hCG
- FSH
- progesterone

Answer 7

progesterone