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Bio 669 quiz 3 Questions and answers | Newest with complete solution | 2024/25
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Bio 669 quiz 3 Questions and answers | Newest with complete solution | 2024/25
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Bio 669 quiz 3 Questions and answers |Newest with complete solution | 2024/25
what hormones are released by the anterior pituitary?
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(secretes tropic hormones) - adrenocorticotropic hormone (ACTH)
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Melanocyte-stimulating hormone (MSH) II II
Somatotropic hormones II
-growth hormone (GH) somatotropic hormone
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-prolactin somatotropic hormone II II
Glucoprotein hormones II
-follicle-stimulating hormone (FSH) a glycoproteine II II II II II
-luteinizing hormone (LH) a glycoproteine II II II II II
-thyroid-stimulating hormone (TSH) II II
what do melanocyte-stimulating hormones do? - promotes the pituitary secretion of
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melanin (which darkens skin) and lipotropin
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II what is melanocyte-stimulating hormones target organ? - anterior pituitary
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(MSH) is a melanotropic secretary cell type
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what do adrenocorticotropic hormones (ACTH) do? - regulates the release of cortisol
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from the adrenal cortex
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and initially a brief spurt of aldosterone.
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extra adrenal effects of ACTH is stimulation of melanocytes activation of tissue lipase.
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promotes cholesterole storage of adrenal to metabolise into steriod hormones
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ACTH is rapidly inactivated in the circulation and its deactivated form is removed by the
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___________ and _______________? - liver and kidneys, remove excess ACTH in the
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circulating volume where it is inactivated
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What does aldosterone do? - A mineralcorticoid, its secretion causes sodium retention
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and potassium excretion.
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helps with body fluid osmolality
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what regulates aldosterone? - renin-angiotensin-aldosterone system when volume is
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low
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II what affects does cortisol have? - anti inflammatory
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II what do glucocorticoids stimulate and increase of ? - blood glucose levels
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II what does thyroid-stimulating hormones do? - regulates the activity of the thyroid gland.
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, increased iodide uptake; II II
what does growth hormone doe? - normal tissue growth and maturation and impacts
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aging, sleep, nutritional status, stress, and reproductive hormones.
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II what is growth hormones target organs? - bone, muscle, liver
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II what is prolactin function? - milk production
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II what is prolactins target organs? - breast
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what are somatotropic hormones? - growth hormone
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prolactin
What does leutinizing hormone stimulate? - progesterone release in women
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affects the Sertoli cells in men
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What does follicle stimulating hormone (FSH) do? - increases estrogen production in the
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ovaries of women
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increase testosterone production in men II II II II
what does beta-lipotropin affect? - adipocytes and stimulate release of lipids into blood
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stream
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II what does beta-endorphins affect? - neural cells and work as analgesia to reduce pain
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what are glycoprotein hormones? - follicle-stimulating hormone (FSH)
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luteinizing hormone II
thyroid-stimulating hormone II
what do luteinizing hormone do? - ovulation, progesterone production
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testicular growth, testosterone production II II II
what are luteinzing hormones target organs? - women: granulosa cells
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men: leading cells
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what is the function of follicle-stimulating hormones? - follicle maturation, estrogen
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production
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spermatogenesis
what are the target organs of follicle-stimulating hormones? - women: granulosa cells
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men: Sertoli cells
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II what is the function of Beta-lipotropin? - fat breakdown and release of fatty acids
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II what are the target organs for beta-lipotropin? - adipose cells
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