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Physiology > Chapter 75 - Guyton > Flashcards

Chapter 75 - Guyton Flashcards

1
Q

Adenohypophysis

A

anterior pituitary

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2
Q

Neurohypophysis

A

posterior pituitary

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3
Q

Adenohypophyseal hormones

A

ACTH, TSH, FSH, LH, PRL, GH

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4
Q

Tells the pituitary to make hormones!

A

hypothalamus

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5
Q

TSH

A

stimulates production of thyroid hormones

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6
Q

GH

A

stimulates postnatal body growth, secretion of IGF-1, stimulates triglyceride lipolysis, inhibits action of insulin on carbohydrate and lipid metabolism

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7
Q

LH

A

causes ovulation and formation of corpus luteum in the ovary, stimulates production of estrogen and progesterone in ovary, stimulates testosterone production in testis

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8
Q

PRL

A

stimulates lactation

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9
Q

FSH

A

stimulates development of ovarian follicles, regulates spermatogenesis in testis

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10
Q

ACTH

A

stimulates production of glucocorticoids and androgens by the adrenal cortex, maintains size of zona fasciculata and zona reticularis of cortex

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11
Q

Hypophysiotropic hormones

A

TRH, GnRH, CRH, GHRH, somatostatin, PIH

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12
Q

Two areas that the anterior pituitary hormones can be regulated.

A

hypothalamus and anterior pituitary

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13
Q

Biological actions of GH.

A

decrease adiposity, increase LBM, increase protein synthesis, increase organ function, increase chondrocyte function (bone health)

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14
Q

Most important factor determining GH secretion.

A

age

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15
Q

Metabolic effects of GH.

A

increase plasma glucose, free fatty acids, ketoacids, and decrease plasma amino acids

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16
Q

Hormones that will facilitate HSL-mediated breakdown of triglycerides in adipose tissue for energy.

A

GH, cortisol, T3, EPI

17
Q

Hormone that will inhibit HSL-mediated breakdown of triglycerides in adipose tissue for energy.

A

insulin (also facilitates formation of triglycerides from glucose)

18
Q

T/F Somatostatin inhibits GH release.

A

true

19
Q

Stimulates GH release.

A

sleep, exercise, calorie deprivation, fasting, puberty, androgens and estrogens

20
Q

Neurohypophyseal hormones.

A

ADH, oxytocin

21
Q

Abnormalities of GH secretion.

A

gigantism, acromegaly, dwarfism

22
Q

Second messenger for vasopressin (ADH).

A

cAMP

Physiology (60 decks)

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