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Ch.13

Medication actions on the nervous system

TermDefinition
What is the function of the somatic nervous system (SoNS)? Regulates or controls voluntary muscles
Which neurotransmitter stimulates receptors on muscles to make them move? Acetylcholine
What is the function of the ANS? Controls nonvoluntary functions such as blood pressure, digestion, breathing, and pupil dilation/constriction
Examples of fight or flight reactions of the SNS? -Heart rate increases -Bronchioles dilate -Pupils dilate -Digestion slows
What allows the SNS and the PSNS to balance each other out? Dual Innervation of organs and tissues
What are the effects of medications that stimulate alpha receptors? Excitation, stimulation or constriction of the organ or tissue
What are the effects of medications that stimulate beta receptors? Relaxation, inhibition or dilation of the organ or tissue except for the heart. Stimulation of beta receptors in the heart increases blood pressure
What is the effect of medications that stimulate muscarinic receptors? Muscle contraction
What are the effects of medications that inhibit muscarinic receptors? Dry mouth, dry eyes, pupil dilation, urine retention, and constipation
Examples of anticholinergic medications Diphenhydramine
Created by: Learning=Earning
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