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Biology4351 > Basics > Flashcards

Basics Flashcards

1
Q

α1 receptors are located…

A

on vascular smooth muscle

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2
Q

α2 receptors are located…

A

on presynaptic adrenergic nerve terminals

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3
Q

β1 receptors are located…

A

in the heart

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4
Q

β2 receptors are located…

A

on all smooth muscle cells

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5
Q

M1 receptors are located…

A

on gastric parietal cells

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6
Q

M2 receptors are located…

A

in the heart

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7
Q

M3 receptors are located…

A

on smooth muscle cells (except vascular s.m.) & glands

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8
Q

Nn receptors are located…

A

in autonomic ganglia & adrenal medulla

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9
Q

Nm receptors are located…

A

at NMJ of somatic nervous system

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10
Q

Stimulation of α1 receptors results in…

A

vasoconstriction

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11
Q

Stimulation of α2 receptors results in…

A

reduced NE output

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12
Q

Stimulation of β1 receptors results in…

A

increased heart rate

increased myocardial contractility

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13
Q

Stimulation of β2 receptors results in…

A

contraction of all smooth muscle

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14
Q

Stimulation of M1 receptors results in…

A

increased HCl secretion

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15
Q

Stimulation of M2 receptors results in…

A

increased heart rate

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16
Q

Stimulation of M3 receptors results in…

A

contraction of s.m. (-vasc) & gland secretion

17
Q

Stimulation of Nn receptors results in…

A

slight energy boost

18
Q

Stimulation of Nm receptors results in…

A

twitching???

19
Q

BLOCKING α1 receptors results in…

A

vasodilation

20
Q

BLOCKING α2 receptors results in…

A

increased NE output

21
Q

BLOCKING β1 receptors results in…

A

reduced heart rate

increased myocardial contractility

22
Q

BLOCKING β2 receptors results in…

A

relaxation of all smooth muscles

23
Q

BLOCKING of M1 receptors results in…

A

reduced HCl secretion

24
Q

BLOCKING of M2 receptors results in…

A

reduced heart rate

25
Q

BLOCKING of M3 receptors results in…

A

relaxation of s.m. (-vasc) & gland inhibition

26
Q

BLOCKING of Nn receptors results in…

A

shut down ANS

27
Q

BLOCKING of Nm receptors results in…

A

flaccid paralysis

28
Q

(side) effects of taking an anticholinergics

A 
Dry mouth
Blurred vision
(reflexive) Tachycardia
Constipation, Urinary retention
Bronchodilation (only)
29
Q

(side) effects of taking a central sympatholytics

A

shuts down ANS, flaccid paralysis

Biology4351 (16 decks)

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