Adrenoreceptor Agonist & Antagonist

Question 1

Phenylephrine

Answer 1

Alpha 1 agonist

Question 2

Blocks tyrosine hydroxylase

Answer 2

Metyrosine

Question 3

Blocks NE reuptake

Answer 3

cocaine

Question 4

Increase NE release

Answer 4

amphetamine

Question 5

Blocks NE storage in vesicles

Answer 5

Reserpine

Question 6

a1 receptors

Answer 6

increase TPR/SVR

Question 7

a2 receptors

Answer 7

inhibit neurotransmitter release

Question 8

b1 receptors

Answer 8

increase HR and contractility

renin release

Question 9

b2 receptors

Answer 9

bronchodilation

decrease TPR/SVR

Question 10

D1 receptors

Answer 10

renal, mesenteric, coronary dilation

Question 11

Epinephrine acts

Answer 11

on all receptors

Question 12

low epinephrine concentration

Answer 12

beta receptor effects

Question 13

high epinephrine concentration

Answer 13

great a1 effects

Question 14

Norepinephrine does not act

Answer 14

on b2 receptors

Question 15

Phenylephrine

Answer 15

a1 agonist

Question 16

Drugs for hypo perfusion by acute MI

Answer 16

dopamine
norepinephrine
dobutamine

Question 17

Dobutamine

Answer 17

b1 agonist

Question 18

Isoproterenol

Answer 18

b1 and b2 agonist

Question 19

Phenoxybenzamine

Answer 19

Irreversible
non selective alpha agonist
oral

Question 20

Prazosin

Answer 20

selective a1 antagonist

Question 21

Phentolamine

Answer 21

non selective alpha antagonist

Question 22

phenoxybenzamine used for

Answer 22

pheochromocytoma

Question 23

Propanolol

Answer 23

nonselective BB

Question 24

Metoprolol

Answer 24

b1 selective BB

Question 25

Carvedilol

Answer 25

nonselective BB + a1

Question 26

Labetalol

Answer 26

nonselective BB + a1

Question 27

Doxazosin only use

Answer 27

Hypertension

Question 28

-zosin use

Answer 28

used for BPH