Adrenergic Receptor Subtypes Flashcards
1
Q
SA node
A
beta-1
increase HR
2
Q
AV node
A
beta-1
increase conduction velocity
3
Q
Atria & Ventricles
A
beta-1
increase contractility
4
Q
skeletal muscle blood vessels
A
alpha-1; beta-1
constriction; dilation
5
Q
blood vessels in skin, mucosa
A
alpha-1
constriction
6
Q
bronchial muscle
A
beta-2
bronchiolar dilation
7
Q
bladder detrusor muscle
A
beta-2, beta-3
relaxation
8
Q
trigone & sphincter of bladder
A
alpha-1
contraction
9
Q
penis
A
alpha-1
ejaculation
10
Q
iris radial muscle
A
alpha-1
contraction - mydriasis
11
Q
lens ciliary muscle
A
beta-2
relax - focus far
12
Q
ciliary body
A
beta
secrete aqueous humor
13
Q
uterine smooth muscle
A
alpha-1; beta-2
contraction; relaxation
14
Q
kidney
A
beta-1
secrete renin
15
Q
adrenergic neurons
A
alpha-2
decrease neurotransmitter release