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Human Physiology Unit 2 > Chapter 6 Lecture Slides (Part 2) > Flashcards

Chapter 6 Lecture Slides (Part 2) Flashcards

1
Q

what is CRH?

A

corticotropin-releasing hormone

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2
Q

what released CRH?

A

hypothalamus

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3
Q

what is a tropin?

A

aka tropic/trophin hormone, is a hormone that stimulates another endocrine gland to secrete its hormone

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4
Q

what is the role of CRH?

A

corticotropin : stimulates the anterior pituitary to release adrenocorticotropic hormone ACTH

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5
Q

what is ACTH?

A

adrenocorticotropic hormone (ACTH)

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6
Q

what is the role of ACTH?

A

a tropic hormone that stimulates the adrenal gland cortex, located on top of the kidneys to release the stress hormone cortisol

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7
Q

what is the name of the stress hormone?

A

cortisol

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8
Q

how is cortisol released?

A

ACTH stimulates the adrenal gland cortex to release it

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9
Q

what is TRH?

A

thyroid releasing hormone

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10
Q

where is ACTH made?

A

anterior pituitary

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11
Q

where is TRH released from?

A

hypothalamus

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12
Q

what is the role of TRH?

A

thyroid releasing hormone:

stimulates the anterior pituitary to secrete thyroid stimulating hormone

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13
Q

what is GH?

A

growth hormone

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14
Q

where does GH get released from?

A

hypothalamus

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15
Q

what is the role of GH?

A

stimulate anterior pituitary to release GH

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16
Q

what are the roles of GH? (2)

A
  1. direct
  2. tropic
17
Q

what are the direct effects of GH?

A

stimulate bone and muscle growth

18
Q

what are the tropic effects of GH?

A

upregulates insulin-like growth factor

19
Q

list the three hypothalamic hormones that act on the anterior pituitary, the “rest” of the hypothalamic hormones

A
  1. GH inhibiting hormone (GHIH)
  2. prolactin releasing hormone (PRH)
  3. prolactin inhibiting hormone (PIH)
20
Q

what is the role of the pineal gland?

A

secretes melatonin

21
Q

what is melatonin made from?

A

the amino acid tryptophan

22
Q

what are the two roles of melatonin?

A

promote sleep

enhance immunity

23
Q

what are the 7 hormones we studied in class?

A

CRH
ACTH
TRH
GH
GHIH
PRH
PIH

24
Q

where does calcitonin come from, and what is it’s job?

A

secreted by thyroid, lowers blood calcium

25
Q

why can’t PTH (parathyroid hormone), a peptide hormone, be taken orally?

A

because peptide bonds get broken down by hydrolysis

26
Q

insulin is secreted by ___ in response to ____

A

B pancreatic cells

hyperglycemia

27
Q

glucagon is secreted by ___ in response to ___

A

glucose is gone

alpha cells

Human Physiology Unit 2 (18 decks)

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