phys final ex 1

Question 1

The response of a target cell is due to

Answer 1

receptor activation

Question 2

Endocrine glands

Answer 2

are highly vascularized

Question 3

Streroid hormones

Answer 3

are derived from cholesterol

Question 4

Amine hormones include hormones made in the

Answer 4

Thyroid gland

Question 5

Lactation is an example of hormones exhibiting

Answer 5

synergistic effects

Question 6

Steroid hormones

Answer 6

have intracellular receptors

Question 7

Activation of steroid or thyroid hormone receptors increases

Answer 7

the production of new proteins

Question 8

Endocrine systems are regulated by

Answer 8

negative feedback

the removal rate of circulating hormones

receptor desensitization

Question 9

Prohormones are

Answer 9

precursors of active hormones

Question 10

The anterior pituitary secretes

Answer 10

trophic hormones

Question 11

Coordination of endocrine systems with the nervous system, hunger, urinary output and other physiological systems is controlled by the

Answer 11

hypothalamus

Question 12

ADH

Answer 12

decreases urine production

Question 13

Oxytocin is involved in

Answer 13

childbirth

milk letdown in mammals

affection and pair bonding in mammals

Question 14

The hypothalamic hormone that stimulates the production and secretion of growth hormone.

Answer 14

GHRH

Question 15

Gigantism and acromegaly can be caused by

Answer 15

excessive growth hormone secretion by the anterior pituitary

Question 16

ADH and oxytocin are produced in the ______ and secreted from the ______.

Answer 16

hypothalamus, posterior pituitary

Question 17

If dietary iodide is inadequate, excessive ______ results in a goiter.

Answer 17

TSH

Question 18

The most active form of thyroid hormone is

Answer 18

T3

Question 19

Thyroid hormone is hydrolyzed from thyroglobulin and secreted into the blood when ____ receptors are activated.

Answer 19

TSH

Question 20

Which of the following is consistent with hyperthyroidism?

Answer 20

intolerance to heat

Question 21

T3 and T4 are transported in the blood by thyroxine-binding globulins produced by the

Answer 21

liver

Question 22

Thyroxine is synthesized by the

Answer 22

follicular cells of the thyroid gland

Question 23

Thyroid hormone activates

Answer 23

intracellular receptors

Question 24

The adrenal cortex produces

Answer 24

mineralocorticoids

cortisol

androgens

Question 25

Which adrenal hormone regulates blood glucose levels?

Answer 25

cortisol

Question 26

Stress results in increased secretion of

Answer 26

cortisol CRH ACTH cortisol

Question 27

Which adrenal hormone acts on the kidneys to regulate sodium reabsorption?

Answer 27

aldosterone

Question 28

Preganglionic sympathetic fibers innervate

Answer 28

the adrenal medulla

Question 29

The adrenal medulla secretes

Answer 29

epinephrine