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Zak, ENDO > Hormone Functions > Flashcards

Hormone Functions Flashcards

1
Q

What does TRH do?

A

Stimulates secretion of TSH and Prolactin

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2
Q

What does CRH do?

A

Stimulates secretion of ACTH

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3
Q

What does GnRH do?

A

Stimulates secretion of LH and FSH

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4
Q

What does Somatostatin do?

A

Inhibits secretion of GH

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5
Q

What does Dopamine do?

A

Inhibits secretion of Prolactin

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6
Q

What does GHRH do?

A

Stimulates secretion of GH

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7
Q

What does TSH do?

A

Stimulates synthesis and secretion of thyroid hormones

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8
Q

What does FSH do?

A

Testes: Stimulates maturation of sperm in Sertoli cells
Ovaries: Stimulates follicular development and estrogen synthesis

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9
Q

What does LH do?

A

Testes: Stimulates testosterone synthesis in Leydig cells
Ovaries: Stimulates ovulation, formation of corpus luteum, and estrogen and progesterone synthesis

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10
Q

What does ACTH do?

A

Stimulates synthesis and secretion of adrenal cortical hormones (cortisol, androgens, aldosterone)

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11
Q

What does MSH do?

A

Stimulates Melanin synthesis

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12
Q

What does GH do?

A

Stimulates protein synthesis and overall growth

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13
Q

What does Prolactin do?

A

Stimulates milk production and secretion in breasts

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14
Q

What does ADH do?

A

Stimulates water absorption in principal cells and constriction of arterioles

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15
Q

What does Oxytocin do?

A

Stimulates milk ejection from breasts and uterine contractions

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16
Q

What do T3/T4 do?

A

Stimulate skeletal growth, O2 consumption, heat production, macro utilization, and perinatal maturation of CNS

17
Q

What does Calcitonin do?

A

Decreases serum [Ca]

18
Q

What does PTH do?

A

Increases serum [Ca]

19
Q

What does Cortisol do?

A

Stimulates gluconeogenesis, inhibits inflammatory response, suppresses immune response, enhances vascular responsiveness to catecholamines

20
Q

What does Aldosterone do?

A

Increases renal Na absorption, K secretion, and H secretion

21
Q

What do Adrenal Androgens do?

A

Stimulate spermatogenesis and male secondary sex characteristics

22
Q

What does Testosterone do?

A

Stimulates spermatogenesis and male secondary sex characteristics

23
Q

What does Estradiol do?

A

Stimulates growth and development of female reproductive system, follicular phase of menstrual cycle, development of breasts, prolactin secretion, and maintains pregnancy

24
Q

What does Progesterone do?

A

Stimulates luteal phase of menstrual cycle, maintains pregnancy

25
Q

What does Insulin do?

A

Decreases blood [glucose]

26
Q

What does Glucagon do?

A

Increases blood [glucose]

27
Q

What does HCG do?

A

Stimulates estrogen and progesterone synthesis in corpus luteum of early pregnancy

28
Q

What does HPL do?

A

Has growth hormone-like and prolactin-like actions during pregnancy

Zak, ENDO (4 decks)

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