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bio 152 (lab 6-11) > Lab 10 > Flashcards

Lab 10 Flashcards

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Biology 101 flashcards
1
Q

thyroid stimulating hormone…

A

tropic, thyroid, stimulates release of thyroxine (t4) and triiodothyronine (t3)

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2
Q

adrenocorticotropic hormone…

A

tropic, adrenal cortex, stimulates release of steroid hormones, especially glucocorticoids

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3
Q

prolactin..

A

not tropic, mammary tissue, stimulates milk production

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4
Q

melanocyte stimulating hormone…

A

not tropic, epidermal melanocytes, promotes epidural pigment production

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5
Q

follicle stimulating hormone in female…

A

tropic, ovarian follicle, promotes follicle maturation and estrogen secretion

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6
Q

follicle stimulating hormone in male…

A

not tropic, nurse or sertoli cells, promotes maturation of spermatozoa

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7
Q

luteinizing hormone in female..

A

tropic, mature ovarian follicle, triggers ovulation and formation of corpus luteum; stimulates secretion of estrogen and progesterone

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8
Q

luteinizing hormone in male…

A

tropic, interstitial cells, stimulates secretion of testosterone

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9
Q

growth hormone in female..

A

not tropic, all cells, stimulates protein synthesis and cell division for growth; stimulates breakdown of fat and glycogen to fuel growth

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10
Q

growth hormone in male…

A

not tropic, adipose and liver, stimulates breakdown of fat and glycogen to fuel growth

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11
Q

antidiuretic hormone…

A

not tropic, renal tubules-stimulates water reabsorption

smooth muscles of BV- vasoconstriction

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12
Q

oxytocin…

A

not tropic, uterine myometrium- stimulates uterine contractions
mammary glands- milk ejection

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13
Q

role of the hypothalamus in regulating pituitary function?

A

neurons produce tropic hormones that regulate anterior pituitary hormones, secrete releasing hormones and inhibiting homrmones
hypothalamus produces ADH and oxytocin which is transported along axons of tract and stored in synaptic terminals, released from pituitary
stimulates anterior pituitary to release and produce hormones

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14
Q

hormone produced by thyroid follicle and function?

A

T3 and T4-
increases metabolic rate and ATP production
increases body temp in children
promotes normal development of neural, skeletal and muscular systems

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15
Q

hormone produced by C cells and function?

A

calcitonin, lowers blood calcium

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16
Q

hormone associated with parathyroid glands and function?

A

parathyroid hormone-
raises blood calcium levels
increased absorption, decreased urinary loss

17
Q

hormone associated with pineal gland and function?

A

melatonin- regulates timing of sexual maturity
maintains circadian rhythms
protects against free radical damage in CNS

18
Q

hormone associated with thymus and function?

A

thymosin, stimulates maturation of lymphocytes

19
Q

hormones associated with adrenal cortex?

A

mineralocorticoid- stimulates renal Na+ reabsorption & K+ excretion
glucocorticoid- stimulates fat and protein breakdown for fuel for repair; anti-inflammatory
gonadocorticoid- promotes pubic hair growth, maintains libido

20
Q

hormones associated with adrenal medulla and function?

A

epinephrine and norepinephrine, prolong sympathetic response

21
Q

hormone associated with pancreas produced by alpha cells?

A

glucagon- increase blood glucose levels by stimulating glycogen breakdown

22
Q

hormone associated with pancreas produced by beta cells?

A

insulin- decreases blood glucose levels

23
Q

what is hypoglycemia and the causes?

A

hypoglycemia is decreased blood glucose levels that results from inadequate food intake or too much insulin.

24
Q

what is hyperglycemia and the causes?

A

elevated blood glucose levels, not tnough insulin or cells do not produce enough insulin in pancreas

25
Q

is there a relationship between blood glucose levels and time since eating?

A

not vastly different, but levels of blood glucose are lower for individuals who have not eaten recently. When you have just ate, insulin is released to decrease the blood glucose levels.

26
Q

type 1 vs type 2 diabetes?

A

type 1- pancreas produces little or no insulin

type 2- body resists the effect of insulin or doesnt produce enough

27
Q

risk factors of type 2 diabetes?

A

overweight, not very active, older age

28
Q

what are the three things to look at for blood glucose levels on a chart?

A

starting (high, normal, low), level after ingestion, and level continuing on

29
Q

what hormone regulates blood glucose and would be circulating in the blood of fasted patients?

A

glycogen

bio 152 (lab 6-11) (6 decks)

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