Simulates growth in epiphyseal plates of long bones via IGFs produced in the liver; produced by a _____ Somatotropin (GH); somatotroph
Promotes milk secretion; produced by a _____ Prolactin (PRL); mammotroph
Stimulates ovarian follicle development, estrogen secretion, & spermatogenesis in men; pr...
BIO 446L Exam 3 Questions and Correct
Answers
Simulates growth in epiphyseal plates of long bones via IGFs produced in the liver;
produced by a _____ ✅Somatotropin (GH); somatotroph
Promotes milk secretion; produced by a _____ ✅Prolactin (PRL); mammotroph
Stimulates ovarian follicle development, estrogen secretion, & spermatogenesis in men;
produced by a ____ ✅Follicle Stimulating Hormone (FSH); gonadotroph
Stimulates ovarian maturation, progesterone secretion, & the secretion of androgens in
men & women; produced by a _____ ✅Luteinizing hormone (LH); gonadotroph
Stimulates thyroid hormone synthesis, storage, & liberation; produced by a ______
✅Thyrotropin (TSH); thyrotroph
Stimulates secretion of adrenal cortex hormones; produced by a _____ ✅ACTH
(POMC); corticotroph
Helps regulate lipid metabolism; produced by a ____ ✅LPH; corticotroph
Hormone that stimulates the release of TSH ✅Thyrotropin Release Hormone (TRH)
Hormone that stimulates the release of LH & FSH ✅Gonadotropin Release Hormone
(GRH)
Hormone that inhibits the release of somatotropin (GH) & TSH ✅Somatostatin
Hormone that stimulates the release of Somatotropin (GH) ✅Growth Hormone
Releasing Hormone (GHRH)
Hormone that inhibits the release of prolactin ✅Dopamine
Hormone the stimulates the synthesis of POMC & the release of B-LPH & ACTH
✅Corticotropin Releasing Hormone (CRH)
POMC/ACTH targets the ____ & stimulates the release of _______ ✅Adrenal cortex,
corticosteroids
TSH targets the _____ & stimulates the release of ___ ✅Thyroid, thyroid hormones
, FSH & LH target the _____ & stimulate the development of ____ ✅gonads, gametes
PRL targets ____ & stimulates _____ ✅mammary glands, milk production
Outermost region of the adrenal cortex, 15% of the cortex, closely packed, rounded or
arched cords of columnar or pyramidal cells w/ many capillaries, produces
mineralocorticoids
*Stimulated by Angiotensin II* ✅Zona glomerulosa
Middle region of the adrenal cortex, 65-85% of the cortex, contains long cords of
polyhedral cells separated by fenestrated sinusoidal capillaries; secrete glucocorticoids
✅Zona fasiculata
Innermost region of the adrenal cortex, 10% of the cortex, consists of smaller cells in a
network of irregular cords interspersed with wide capillaries, fewer lipid droplets than
other zones so they appear darker/more heavily stained, primarily secretes androgens
& DHEA ✅Zona reticularis
Steroid hormones that affect the uptake of Na+, K+, & water; secreted by the ______ of
the adrenal cortex; principle example is _____. ✅Mineralocorticoids, zona
glomerulosa, aldosterone
Steroid hormones secreted mainly by the zona fasiculata that affect carbohydrate
metabolism by stimulating gluconeogenesis in many cells & glycogen synthesis in the
liver; primary example is ____. ✅Glucocorticoids; cortisol
A steroid hormone that is further processed into testosterone in both men & women;
secreted by the _____ of the adrenal cortex ✅DHEA, zona reticularis
4 main symptoms of diabetes mellitus ✅Polyuria, polydypsia, polyphagia,
hypoglycemia
3 major layers found in the wall of all 4 heart chambers ✅Endocardium, myocardium,
epicardium
Very thin layer of endothelium & supporting connective tissue w/ a middle myoelastic
layer of smooth muscle fibers & a deep layer of connective tissue that merges with the
myocardium ✅Endocardium
A deep layer of connective tissue found in the endothelium that merges with the
myocardium & contains Purkinje fibers ✅Subendocardium
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