RN 35B Quiz: Sympathetic/Cardiac Nervous System Test |Questions with 100% Solutions/Verified Answers

RN 35B Quiz: Sympathetic/Cardiac
Nervous System Test |Questions with
100% Solutions/Verified Answers
-

SNS/Adrenergic Receptors - ANSWER Alpha 1 Receptor
Alpha 2 Receptor
Beta 1 Receptor
Beta 2 Receptor


PNS/Cholinergic Receptors - ANSWER Muscarinic: stimulates smooth muscle and
slows heart rate.


Nicotinic: affects skeletal muscle.


Alpha 1 Responses - ANSWER Blood Vessels: vasoconstriction, increase
BP, increase heart contractibility.




Eyes: dilate.


Bladder: relaxes, sphincter contracts.


Prostate: contracts.

, Alpha 2 Responses - ANSWER Blood Vessels: decreased BP (reduced
norepinephrine)


GI Smooth Muscle: decrease GI tone and motility.


Beta 1 Responses - ANSWER Heart: heart contraction, increase heart rate.


Kidney: increase in renin secretion, increase in angiotensin, increase in BP
(because of H2O and Sodium retention).


Beta 2 Responses - ANSWER GI Smooth Muscle: decrease GI tone and motility.


Lungs: bronchodilation.


Uterus: relaxes.


Liver: activated glycogenesis, increase blood sugar.