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Adrenoceptor functions
Major effects mediated by a and b adrenoceptors
17
Health Care
Graduate
05/22/2012

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Cards

Term
Vasodilation & Bronchodilation
Definition
B2
Term
increased peripheral resistance
(resistance to the passage of blood through the small blood vessels, especially the arterioles.)
Definition
a1
Term
Slightly decreased peripheral resistance
(resistance to the passage of blood through the small blood vessels, especially the arterioles.)
Definition
B2
Term
Tachycardia & increased myocardial contractility
Definition
B1
Term
Vasoconstriction & Increased blood pressure
Definition
A1
Term
Mydriasis (dilation of the pupil of the eye caused by contraction of the dilator muscle of the iris)
Definition
a1
Term
Inhibition of insulin release
Definition
a2
Term
increased lipolysis (the breakdown or destruction of fats)
Definition
b1
Term
increased release of glucagon
Definition
b2
Term
increased closure of internal sphincter of the bladder
Definition
a1
Term
Relaxed uterine smooth muscle
Definition
b2
Term
inhibition of norepinephrine release
Definition
a2
Term
increased muscle and liver glycogenolysis
(he splitting up of glycogen in the liver, yielding glucose)
Definition
b2
Term
a1 (5 major effects)
Definition
*vasoconstriction
*increased peripheral resistance
*increased blood pressure
*mydriasis
*increased closure of internal sphincter of bladder
Term
a2 (2 major effects)
Definition
* Inhibition of norepinephrine release
* Inhibition of insulin release
Term
b1 (3 major effects)
Definition
*Tachycardia
*Increased lipolysis
*Increased myocardial contractility
Term
b2 (6 major effects)
Definition
* Vasodilation
* Slightly decreased peripheral resistance
* Bronchodilation
* Increased muscle and liver glycogenolysis
* Increased release of glucagon
* Relaxed uterine smooth muscle
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