Tutorial Questions

a.

secretes ADH.

b.

stores anterior pituitary hormones.

c.

stores ACTH and LH.

d.

secretes vasopressin and oxytocin into the hypothalamo-hypophyseal portal system.

e.

None of these answers.

a.

is composed of nervous tissue.

b.

stores anterior pituitary hormones, which are released into the blood upon hypothalamic stimulation.

c.

synthesizes and secretes vasopressin and oxytocin.

d.

Both (a) and (c) above.

e.

All of these answers.

a.

adrenal gland

b.

posterior lobe of the pituitary

c.

thyroid gland

d.

parathyroid gland

e.

None of these answers.

a.

vasopressin

b.

thyroid hormone

c.

growth hormone

d.

cortisol

e.

luteinizing hormone

a.

posterior pituitary.

b.

liver.

c.

pancreas.

d.

stomach.

e.

adrenal medulla.

a.

are responsible for the deposition of melanin in the skin during the process of tanning.

b.

are not present in significant amounts in adult humans.

c.

are present in varying amounts in races of different skin color.

d.

are important for color adaptations associated with camouflage in certain lower vertebrates.

e.

are produced in the thyroid gland.

a.

secreted by the intermediate lobe of the pituitary in some lower vertebrates.

b.

known to cause skin darkening in certain lower vertebrates.

c.

believed to be responsible for the tanning phenomenon in humans.

d.

Both (a) and (b) above.

e.

All of these answers.

a.

CRH

b.

TSH

c.

FS.

d.

LH

e.

GH

a.

adrenal medulla/vasopressin

b.

anterior pituitary/adenohypophysis

c.

epinephrine/catecholamine

d.

insulin/polypeptide

e.

posterior pituitary/neurohypophysis

a.

anterior pituitary gland.

b.

posterior pituitary gland.

c.

hypothalamus

d.

Both (a) and (b) above.

e.

Both (b) and (c) above.

a.

it is produced in the hypothalamus.

b.

it stimulates uterine smooth muscle contraction.

c.

it increases kidney reabsorption of water.

d.

it is a potent arteriolar vasoconstrictor.

e.

it is released when the osmolarity of the plasma increases.

a.

it stimulate uterine contractions.

b.

It promotes milk ejection from mammary gland ducts.

c.

It influences bonding behavior between mother and baby.

d.

It is a tropic hormone.

e.

None of these answers.

a.

control the release of oxytocin and vasopressin from the posterior pituitary.

b.

travel via neuron axons from the hypothalamus to the anterior pituitary.

c.

are carried in the hypothalamo-hypophyseal portal system.

d.

are released upon positive-feedback stimulation via the anterior pituitary tropic hormones.

e.

always act to stimulate the release of anterior pituitary hormones.

a.

each hypophysiotropic hormone influences only one anterior pituitary hormone.

b.

all hypophysiotropic hormones stimulate the release of anterior pituitary hormones.

c.

hypophysiotropic hormones are also produced outside of the hypothalamus, where they serve different functions.

d.

hypophysiotropic hormones are secreted

into the general circulation.

e.

None of these answers.

a.

vasopressin

b.

ACTH

c.

TRH

d.

somatostatin

e.

prolactin-inhibiting hormone

a.

carries anterior pituitary hormones from the anterior pituitary gland to the hypothalamus to regulate the release of hypophysiotropic hormones.

b.

diverts blood directly to the pituitary, completely bypassing the hypothalamus.

c.

carries hypophysiotropic hormones from the hypothalamus to the anterior pituitary to regulate anterior pituitary hormone secretion.

d.

carries the anterior pituitary hormones into the general systemic circulation.

e.

connects the hypothalamus and posterior pituitary.

a.

the anterior pituitary hormone feeds back to the hypothalamus, suppressing releasing hormone.

b.

the target gland's hormone feeds back to the anterior pituitary suppressing the tropic hormone.

c.

the target gland's hormone does not feed back to any other gland.

d.

Both (a) and (b) above.

e.

Both (a) and (c) above.

a.

follicle-stimulating hormone.

b.

luteinizing hormone.

c.

oxytocin.

d.

prolactin

e.

vasopressin.

a.

cortisol inhibits CRH secretion.

b.

CRH inhibits ACTH secretion.

c.

ACTH inhibits CRH secretion.

d.

ACTH inhibits cortisol secretion.

e.

CRH inhibits cortisol secretion.

a.

increased fat breakdown.

b.

increased bone growth.

c.

decreased glucose entry into muscle cells.

d.

decreased protein synthesis.

e.

increased rate of cell division.

a.

directly stimulates bone growth.

b.

exerts its effects on bones via somatomedin release.

c.

promotes closure of the epiphyseal plate.

d.

Both (a) and (c) above.

e.

Both b) and (c) above.

a.

increased plasma growth hormone levels.

b.

increased plasma somatostatin levels.

c.

decreased plasma growth hormone levels.

d.

decreased plasma somatostatin levels.

e.

elevated levels of blood sugar.

a.

insulin

b.

thyroid hormone

c.

androgens

d.

estrogen

e.

All of these answers.

a.

deep sleep

b.

exercise

c.

low blood amino acid level

d.

stress

e.

low blood glucose level

a.

growth hormone

b.

androgens

c.

thyroid hormone

d.

cortisol

e.

insulin

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