Lec 16 Peripheral Circulation Flashcards

1
Q

complex that phosphorylates myosin

A

calcium, calmodulin, myosin light chain kinase

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2
Q

attaching phosphate to myosin requires blank

A

atp

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3
Q

two ways to regulate smooth muscle

A

amount of calcium, amount of myosin light chain kinase

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4
Q

only way to regulate skeletal muscle

A

amount of calcium

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5
Q

regulating smooth muscle is a more blank process than regulating skeletal muscle

A

complex

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6
Q

sympathetic norepinephrine causes blank of smooth muscle

A

contraction

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7
Q

hyperpolarization causes blank of smooth muscle

A

relaxation

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8
Q

local control of nutritive blood flow to tissue

A

active hyperemia

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9
Q

vasodilation blank resistance and blank flow

A

decreases, increases

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10
Q

sympathetic stimulation of postcapillary alpha 1 causes these

A

decrease venous compliance
increase venous pressure
decrease venous volume

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11
Q

sympathetic stimulation of precapillary alpha 1 causes these

A

increased arteriolar resistance

decreased arteriolar flow

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12
Q

goal of sympathetic stimulation is to get blood out of blank circulation and get it into blank circulation to keep you alive

A

peripheral, central

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13
Q

the reason epinephrine in circulation will cause relaxation and thus vasodilation, is because it increases local blank

A

metabolism

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14
Q

increased metabolism causes stimulation of these receptors thus causing vasodilation

A

beta 2

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15
Q

when sympathetic stimulates alpha 1 receptors, blank occurs

A

vasoconstriction

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16
Q

beta 2 receptors are only located on vascular systems that go to blank which is why epinephrine doesnt cause vasodilation to organs

A

skeletal muscles