4.3.5 Flashcards

1
Q

what do adrenal medulla hormone do?

A

fight or flight respinse

vasconstriciton except for skeltal and cardiac muscle

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2
Q

what drug acts as a catecholamines

A

nicotine

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3
Q

what do atrial natrieretic peptide do

A

produce by atria of heart

causes BV and BP to decrease

generalized vasodilation

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4
Q

antidiuretic hormone function

A

stimulates kidney to conserve water

high levels can cause vasoconstriction

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5
Q

antigoensisn ii

A

intense vasoconstriction to increase BP
release aldosterone and adh

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6
Q

3 endothelium derived factors
endothelin
platelete derived growth factor
nitric oxide

A

endothelin= vasconstrictor
platelete derived growth factor= vasoconstrictor
nitric oxide= vasodilation

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7
Q

inflammatory chemicals

A

histamine, prostacyclin-inflammatory response; potent vasodilator

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8
Q

what does alcohol do

A

inhibit ADH (makes you wanna pee), depresses vasomotor center, promotes vasodilation

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9
Q

what hapens to baroreceptor with chronic high or low BP

A

it adapts to a new set point

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10
Q

how do kidneys act directly to regulate blood pressure

A

independent of hormones

decreas BP or BV by eliminating urine and reducing BP

will conserve water to increase BP

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11
Q

how do kidneys act indirectly to regulate blood pressure

A

when blood pressure is low it releases renin

renin produces angiotensin ii

angitensin release aldosterone

increase na reabsorption and decreases urine formation

stimulate adh

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12
Q

4 ways to check vital sign

A

pulse, blood pressure, respiratory rate and body temperature

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13
Q

what causes pulse

A

pressure wave cause by recoil and expansion of arteries.

found on pressure points

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14
Q

how do sphygmomanometers work

A

increase cuff past systolic pressure in brachhial artery, slowly release for kotokofff osund

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15
Q

is BP high in morning or night

A

peak in morning

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16
Q

hypotensions is

A

low blood pressure

systolic pressure below 100mm Hg

associated with long life

17
Q

orthostatic hypertenton

A

sitting to standing

temporary low BP

dizziness

18
Q

chronic hypotensions

A

poor nutrition

addison disease

thyroidism (metabolism)

19
Q

acute hypotension

A

sign of ciculatory shock

20
Q

hypertenison

A

high BP

140/90 or higher

transient (fever, physical exertion, emotional upset)

common in obese people

21
Q

primary or essential hypertenison %

A

90% of hypertensice condition

hereditary, diet, age, stress, diabetes mellitus, smoking