A&P 2 endocrine system | Questions with 100% Verified Answers | Latest Update 2026/2027

A&P 2 endocrine system | Questions with 100% Verified
Answers | Latest Update 2026/2027
Question: hormones
Answer: Chemical messengers that are manufactured by the endocrine glands, travel through the
bloodstream, and affect other tissues

Question: steroid & nonsteroidal (protein)
Answer: 2 major classes of hormones

Question: steroid hormone
Answer: hormone derived from cholesterol, & pass easily through a cells membrane

Question: protein (nonsteroidal) hormone
Answer: hormone that can't penetrate a cell wall, must bind to receptors and activate a "secondary messenger
system"

Question: blood levels of the hormone, relative # of receptors in the target cell, affinity of binding between
receptor and hormone
Answer: factors that affect target cell activation by a hormone

Question: degrading enzymes, kidneys, liver
Answer: hormones are removed from the blood stream via _________ , ________ & __________

Question: permissiveness
Answer: one hormone can't exert its effects w/o another hormone being present

Question: synergism
Answer: more than one hormone produces the same effect on a target cell

Question: antagonism
Answer: one or more hormones oppose the action of another hormone

Question: adenohypophysis
Answer: another name for the anterior pituitary gland

Question: neurohypophysis
Answer: another name for the posterior pituitary gland

Question: infundibulum
Answer: stalk that connects the pituitary gland to the hypothalamus

Question: anterior pituitary gland
Answer: pituitary gland comprised of glandular tissue

, Question: posterior pituitary gland
Answer: pituitary gland comprised of neural tissue

Question: anterior pituitary gland
Answer: hypothalamus synthesize releasing or inhibiting hormones that stimulate or inhibit this gland to
secrete or suppress secretion of the hormones it produces

Question: hypophyseal portal system
Answer: neurons of the hypothalamus release hormones into a system of blood vessels called "________" which
travel straight to the adenohypophysis.

Question: gonadotropin releasing hormone thyrotropin releasing hormone corticotropin releasing hormone
prolactin releasing hormone prolacting inhibiting hormone growth hormone releasing hormone
Answer: 6 hormones produced by the hypothalamus

Question: anterior pituitary gland
Answer: part of the pituitary gland that creates its own hormones (in response to messengers from the
hypothalamus)

Question: posterior pituitary gland
Answer: pituitary gland that receives its hormones from the hypothalamus (stores the hormones until
stimulated by the nervous system)

Question: ADH, oxytocin
Answer: 2 hormones stored in the posterior pituitary gland

Question: TSH
Answer: target for thyroid gland, cause the growth of thyroid gland and secretion of thyroid hormone

Question: FSH
Answer: target: ovaries & testes // cause growth of ovarian follicles and secretion of estrogen. Cause secretion
of testosterone

Question: GH
Answer: target throughout the body // cause the repair of tissue through the breakdown of protein & fats

Question: prolactin
Answer: target: mammary glands // cause milk secretion

Question: ACTH
Answer: target" adrenal cortex // causes the growth of and secretion secretion of corticosteroids by the adrenal
cortex

Question: LH
Answer: Target : ovaries, testes // causes ovulation & maintenance of corpus luteum , secretion of testosterone

Question: TSH, FSH, LH, ACTH
Answer: 4 tropic hormones released by the adenohypophysis