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Physiology > Endocrine System > Flashcards

Endocrine System Flashcards

1
Q

Primary Endocrine Organs

A

hypothalamus
thymus
pancreas
gonads
any glands

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2
Q

Secondary Endocrine Organs

A

heart
liver
stomach
kidney
skin
small intestine

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3
Q

Which hormones act on the pituitary?

A

most hypothalamic hormones

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4
Q

Posterior pituitary actions

A

take up hormones released by the hypothalamus

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5
Q

Which hormones does anterior pituitary release?

A

secretes..
prolactin, TSH, ACTH, GH, LH, FSH

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6
Q

Which hormones does hypothalamus release?

A

PRH, PH, TRH, CRH, GHRH, GHIH, GnRH

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7
Q

Which hormones does posterior pituitary release?

A

oxytocin, antidiuretic hormone

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8
Q

What secretes melatonin?

A

pineal gland

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9
Q

What two hormones regulate metabolism?

A

T3 & thyroxine

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10
Q

What regulates calcium levels in the blood?

A

calcitonin

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11
Q

What does the parathyroid hormone (PTH) do?

A

increases calcium levels in the blood

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12
Q

What does the thymus secrete?

A

thymosin

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13
Q

What does thymosin do?

A

regulators T-cell function

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14
Q

What are the hormones of the adrenal gland?

A

(anything ending in “corticoid”)
aldosterone
cortisol
androgens

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15
Q

What are the secretory cells in the adrenal medulla?

A

chromaffin cells

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16
Q

How do secretions enter the digestive tract?

A

via the pancreatic duct

17
Q

How can blood hormone levels be controlled?

A

secretion rate, hormone transport in the blood, clearance rate

18
Q

What does hyposecretion mean?

A

too little

19
Q

What does hypersecretion mean?

A

too much

20
Q

Antagonistic

A

two hormones have opposite effects

21
Q

Additive

A

two hormones have same effect, net effect is equal to the sum of the individual effects

22
Q

Synergistic

A

two hormones have the same effect, net effect is greater than the sum of the two

23
Q

Permissive

A

one hormone is needed for another hormone to work

Physiology (11 decks)

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