Response of peripheral adrenergic receptors

Question 1

Type of adrenergic receptor and response in the SA node

Answer 1

Beta-1 ↑ heart rate

Question 2

Type of adrenergic receptor and response in the AV node

Answer 2

Beta-1 ↑ conduction velocity

Question 3

Type of adrenergic receptor and response in the Atria & ventricles

Answer 3

Beta-1 ↑ contractility

Question 4

Type and response of adrenergic receptor at Skeletal muscle Blood vessels

Answer 4

Alpha-1 Constriction, Beta-2 dilation

Question 5

Type of adrenergic receptor and response in the Skin and mucosa Blood vessels

Answer 5

Alpha-1 Constriction

Question 6

Type of adrenergic receptor and response in theBronchial muscle

Answer 6

Beta-2 Bronchiolar dilation

Question 7

Type of adrenergic receptor and response in theBladder detrusor

Answer 7

Beta-2, Beta-3 Relaxation

Question 8

Type of adrenergic receptor and response in the Trigone & sphincter

Answer 8

Alpha-1 Contraction

Question 9

Type of adrenergic receptor and response in the Penis

Answer 9

Alpha-1 Ejaculation

Question 10

Type of adrenergic receptor and response in the Iris radial muscle

Answer 10

Alpha-1 Contraction – mydriasis

Question 11

Type of adrenergic receptor and response in the Lens ciliary muscle

Answer 11

Beta-2 Relax – focus far

Question 12

Type of adrenergic receptor and response in the Ciliary body

Answer 12

Beta Secrete aqueous humor

Question 13

Type of adrenergic receptor and response in theUterine smooth muscle

Answer 13

Alpha-1 Contraction, Beta-2 relaxation

Question 14

Type of adrenergic receptor and response in the Kidney

Answer 14

Beta-1 Secrete renin

Question 15

Type of adrenergic receptor and response in the Adrenergic neurons

Answer 15

Alpha-2 (Presynaptic autoreceptors) ↓ Neurotransmitter release

Question 16

Type of adrenergic receptor and response in the Liver

Answer 16

Beta-2 Glycogenolysis