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Bio 669 quiz 3 questions and answers latest graded A+ 2024/2025
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Bio 669 quiz 3 questions and answers latest graded A+ 2024/2025
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Bio 669 quiz 3what hormones are released by the anterior pituitary?
(secretes tropic hormones)
adrenocorticotropic hormone (ACTH)
Melanocyte-stimulating hormone (MSH)
Somatotropic hormones
-growth hormone (GH) somatotropic hormone
-prolactin somatotropic hormone
Glucoprotein hormones
-follicle-stimulating hormone (FSH) a glycoproteine
-luteinizing hormone (LH) a glycoproteine
-thyroid-stimulating hormone (TSH)
what do melanocyte-stimulating hormones do?
promotes the pituitary secretion of melanin (which darkens skin) and lipotropin
what is melanocyte-stimulating hormones target organ?
anterior pituitary
(MSH) is a melanotropic secretary cell type
what do adrenocorticotropic hormones (ACTH) do?
regulates the release of cortisol from the adrenal cortex
and initially a brief spurt of aldosterone.
extra adrenal effects of ACTH is stimulation of melanocytes activation of tissue lipase. promotes
cholesterole storage of adrenal to metabolise into steriod hormones
ACTH is rapidly inactivated in the circulation and its deactivated form is removed by the ___________
and _______________?
liver and kidneys, remove excess ACTH in the circulating volume where it is inactivated
What does aldosterone do?
A mineralcorticoid, its secretion causes sodium retention and potassium excretion.
helps with body fluid osmolality
what regulates aldosterone?
renin-angiotensin-aldosterone system when volume is low
, what affects does cortisol have?
anti inflammatory
what do glucocorticoids stimulate and increase of ?
blood glucose levels
what does thyroid-stimulating hormones do?
regulates the activity of the thyroid gland.
increased iodide uptake;
what does growth hormone doe?
normal tissue growth and maturation and impacts aging, sleep, nutritional status, stress, and
reproductive hormones.
what is growth hormones target organs?
bone, muscle, liver
what is prolactin function?
milk production
what is prolactins target organs?
breast
what are somatotropic hormones?
growth hormone
prolactin
What does leutinizing hormone stimulate?
progesterone release in women
affects the Sertoli cells in men
What does follicle stimulating hormone (FSH) do?
increases estrogen production in the ovaries of women
increase testosterone production in men
what does beta-lipotropin affect?
adipocytes and stimulate release of lipids into blood stream
what does beta-endorphins affect?
neural cells and work as analgesia to reduce pain
what are glycoprotein hormones?
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