pretest 2002 endocrine p243-285

Question 0

Parathyroid hormone (PTH) is accurately described that it is

Answer 0

essential for life

Question 1

The supraoptic nucleus of the hypothalamus is believed to control secretion of

Answer 1

ADH

Question 2

When a person is in the fasting state, basal metabolic rate (BMR)

Answer 2

decreases

Question 3

True/False: Regarding atrial natriuretic hormone (ANH) is inhibits aldosterone secretion.

Answer 3

True

Question 4

True/False: Regarding spermatogenesis, Sertoli cells are required for mitotic and meiotic activity of germ cells

Answer 4

True

Question 5

The secretion of growth hormone is increased by

Answer 5

exercise

Question 6

the source of estrogen and progesterone during the first two months of pregnancy is the

Answer 6

corpus luteum

Question 7

the source of estrogen and progesterone during the last seven months of pregnancy is the

Answer 7

placenta

Question 8

what hormones is secreted by the posterior pituitary gland?

Answer 8

Oxytocin and ADH

Question 9

True/False: Regarding prolactin, its secretion is tonically inhibited by the hypothalamus

Answer 9

True

Question 10

The principal steroid secreted by the fetal adrenal cortex is

Answer 10

Dehydroepiandrosterone

Question 11

The effect of insulin on glucose transport is to

Answer 11

enhance transport into adipocytes

Question 12

compared with the resting state, during prolonged exercise, the caloric needs of skeletal muscle are met by an increase in

Answer 12

hepatic glycogenolysis

Question 13

Iodides are stored in the thyroid follicles mainly in the form of

Answer 13

thyroglobulin

Question 14

Almost all of the active thyroid hormone entering the circulation is in the form of

Answer 14

thyroxine

Question 15

Physiologically active thyroxine exists in what form?

Answer 15

Unbound

Question 16

Ovulation is caused by sudden increase in the secretion of

Answer 16

LH

Question 17

Activation of hormone-sensitive lipase in adipocytes is mediated by

Answer 17

a cyclic AMP-dependent protein kinase

Question 18

True/False: Regarding the production of human sperm FSH is required

Answer 18

True

Question 19

Functions of the Sertoli cells in the seminiferous tubules include

Answer 19

maintenance of the blood-testis barrier

Question 20

An indication that ovulation has taken place is an increase

Answer 20

in serum progesterone levels

Question 21

The hormone involved in the ejection of milk from a lactating mammary gland is

Answer 21

oxytocin

Question 22

Plasma levels of calcium can be increased most rapidly by the direct action of parathyroid hormone on the

Answer 22

bones

Question 23

True/False: Regarding human growth hormone, it stimulates production of somatomedins by the liver

Answer 23

True

Question 24

The basic effects of growth hormone on body metabolism

Answer 24

increase the use of fats for energy

Question 25

True/False: Regarding the actions of glucagon, it stimulates gluconeogenesis in the liver

Answer 25

True

Question 26

The actions of insulin include enhancing

Answer 26

potassium entry into cells

Question 27

Injection of thyroid hormone into a human subject will increase

Answer 27

muscle protein synthesis

Question 28

The effects of primary hyperaldosteronism (Conn's syndrome) include

Answer 28

hypokalemia

Question 29

Hyperparathyroidism decreases the plasma levels of

Answer 29

Phosphate

Question 30

Adrenalectomy is associated with

Answer 30

Hyperglycemia with decreased insulin sensitivity

Question 31

Hyperthyroidism is characterized by

Answer 31

increased basal metabolic rate

Question 32

Insulin-independent glucose uptake occurs in

Answer 32

the brain

Question 33

True/False: Iron is transported in the blood bound to transferrin

Answer 33

True

Question 34

The actions of angiotensin II include

Answer 34

initiation of thirst

Question 35

A person with hypothyroidism would explain

Answer 35

sleepiness

Question 36

The islets of Langerhans secrete

Answer 36

insulin and glucagon

Question 37

Progesterone is secreted by

Answer 37

the corpus luteum

Question 38

The anti-inflammatory effect of cortisol treatment is thought to be due to

Answer 38

stabilization of cellular lysosomal membranes

Question 39

Administration of estrogens in women will

Answer 39

produce cyclic changes in the vagina and endometrium

Question 40

The gastrointestinal hormone involved in initiation of migrating motor complexes is

Answer 40

motilin

Question 41

The principal androgen responsible for transforming undifferentiaed fetal external genitalia into male external genitalia is

Answer 41

dihydrotestoterone