NURS 3380 - PNS-Questions with Correct Answers/ Verified
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Course
NURS 3380
Institution
NURS 3380
What stimulates a response?
Neurotransmitter binding to receptor
T/F: neurotransmitters can be recycles to wait for another action potential
T
What are the effects of agonizing the parasympathetic NS?
- constricted pupils
- bradycardia
- bronchoconstriction
- increased gastric secretion
- ...
- vasoconstriction
- ejaculation
- contraction of bladder neck and prostate
What is the function of alpha 2 receptor subtype?
- feedback loop to stop NE release
What is the function of Beta 1 receptor subtype
- increase HR, contractile force, and conduction
- increase renin
What is the function of Beta 2 receptor subtype?
- bronchial dilation
- relaxation of uterine muscle
- vasodilation
What is the function of dopamine in the adrenergic system?
SNS effects
If you block _________________, the breakdown of acetylcholine is blocked, leading to excessive
activation of receptors
Acetylcholinesterase
What is critical in the synthesis of NE?
Dopamine
T/F: patients on MAOIs will have more NE in their synaptic cleft
T
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