NURS 3550: Pharmacology Final Exam questions with
correct answers
Bethanechol is what type of drug (Agonist/antagonist) Correct Answer-
Direct Parasympathetic Agonist
What are Bethanechol's MOA and effects? Correct Answer-stimulates
muscarinic receptors in smooth muscle, glands and effector organs to
mimic the stimulation of the PNS
CNS: miosis, near vision
CVS: decreased HR, vasodilation to GI, decreased BP
Lungs: bronchoconstriction and increased secretions
GI: increased tone, contractility, increases secretions and gastric acid,
relaxed sphincters
GU: increased tone, contractility, relaxed trigone and sphincter.
Atropine ADR's Correct Answer-tachycardia, increased BP d/t increased
HR, constipation, urinary retention, xerostomia, anhidrosis, blurred
vision and photophobia
Atropine Drug Interactions Correct Answer-drugs that cross react with
M-receptors (TCAs, antihistamines), herbal medications (aloe, sienna),
nicotinic antagonists, and neuromuscular blockers
Atropine Contraindications Correct Answer-acute angle-closure
glaucoma, pulmonary conditions, cardiac conditions, GI conditions, and
cautioned in the elderly
Epinephrine is what type of drug? Correct Answer-General Adrenergic
Agonist
Epi's MOA and Effects Correct Answer-MOA: binds/stimulates all 4
receptors
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