Adrenergic Receptor Responses

Question 0

Alpha 2 - found?

Responses?

Answer 0

Found pre-synaptic

Responses:
Inhibition or norepinephrine release
Inhibition of insulin release

Question 1

Alpha 1 - Found?

Responses?

Answer 1

Found on blood vessels

Responses: 
vasoconstriction 
Increased peripheral resistance 
Increased BP
Mydriasis (dilation of pupil)

Question 2

Beta 1- found?

Responses?

Answer 2

Found on heart

Responses:
Tachycardia
Increased lipolysis
Increased myocardial contractility (+ inotropism)

Question 3

Beta 2- found?

Responses?

Answer 3

Found on blood vessels of skeletal muscle and on bronchi

Responses: 
Vasodilation
Slightly decreased peripheral resistance
Bronchodilation
Increased muscle and liver glycogenolysis (breakdown of glycogen in muscles and liver which increases sugar levels)
Increased release of glucagon in liver
Relaxed uterine smooth muscle