receptors

Question 1

The heart has ____ cholinergic receptors

Answer 1

M2

Question 2

Do blood vessels have cholinergic receptors?

Answer 2

Yes, they have M receptors, but they are not innervated

Question 3

The heart has ___ adrenergic receptors

Answer 3

B1

Question 4

The lungs have ___ adrenergic receptors

Answer 4

B2

Question 5

The vessels have what adrenergic receptors?

Answer 5

a1 (vasoconstriction of splanchnic)

B2 ( vasodilation of vessels to skeletal muscle)

Question 6

What are the two cholinergic responses of the eye?

Answer 6

Myosis ( contraction of pupil)

accommodation (near vision)

Question 7

What are the two adrenergic responses of the eye?

Answer 7

mydriasis (dilation of pupil)

increased IOP from aqueous humor

Question 8

GI cholinergic responses

Answer 8

increased secretion and increased motility

Question 9

GI adrenergic responses

Answer 9

decreased motility, relaxation

Question 10

genitourinary cholinergic responses

Answer 10

contraction of detrusor muscle, relax sphincter

Question 11

genitourinary adrenergic responses

Answer 11

constrict sphincter, relax bladder, relax uterine contractions

Question 12

Kidney adrenergic response

Answer 12

increase renin

Question 13

GI adrenergic receptors

Answer 13

a2 B2-3

Question 14

Kidney adrenergic receptors

Answer 14

B1

Question 15

GU adrenergic receptors

Answer 15

A1, B2, B3

Question 16

Adrenergic receptors in the eye

Answer 16

a1, B

Question 17

Stimulation of a1 causes

Answer 17

CONTRACTION

• splanchnic vasoconstiction
• Mydriasis (dilate pupil)
• contraction of bladder sphincter

Question 18

Stimulation of B1 causes

Answer 18

increased HR, AV conduction, increased renin secretion from the kidney

Question 19

Stimulation of B2 causes

Answer 19

RELAXATION

• vasodilation of vessels feeding skeletal muscle
• bronchodilation
• GI relaxation
• relaxation of uterine muscle
• relaxation of bladder

Question 20

a2 stimulation causes

Answer 20

decreased GI motility, inhibition of NE release in presynaptic membrane

Question 21

Epinephrine adrenergic receptors

Answer 21

a1, B1, B2

Question 22

Norepinephrine adrenergic receptors

Answer 22

a1, B1

Question 23

Isoproterenol adrenergic receptors

Answer 23

B1, B2

Question 24

Albuterol acts on which adrenergic receptors?

Answer 24

B2

Question 25

Clonidine works on which adrenergic receptors?

Answer 25

a2

Question 26

Dopamine works on which adrenergic receptors?

Answer 26

D1, indirect

Question 27

Prazosin antagnoizes which adrenergic receptors?

Answer 27

a1

Question 28

Doxazosin antagnoizes which adrenergic receptors?

Answer 28

a1

Question 29

Terazosin antagnoizes which adrenergic receptors?

Answer 29

a1

Question 30

The “-zosin”s work on which adrenergic receptors?

Answer 30

a1

Question 31

Metoprolol antagnoizes which adrenergic receptors?

Answer 31

B1

Question 32

Atenolol antagnoizes which adrenergic receptors?

Answer 32

B1

Question 33

What are the “cardiac specific” Beta blockers?

Answer 33

Metoprolol and atenalol because they only antagonize B1, found in the heart

Question 34

Propranalol antagnoizes which adrenergic receptors?

Answer 34

B1, B2

Question 35

Labetalol antagnoizes which adrenergic receptors?

Answer 35

a1, B1, B2

Question 36

Carvedilol antagnoizes which adrenergic receptors?

Answer 36

a1, B1, B2