Pharmacology Quiz #15: Anticholinesterase Poisoning

1. A 45-year-old farmer is brought to the emergency department with symptoms of diarrhea, miosis, bradycardia, and excessive salivation. He was spraying insecticides in his field without protective gear. Which of the following is the most likely mechanism of his condition? 

Question 1 of 5

2. A 50-year-old woman is admitted to the hospital with difficulty breathing, muscle weakness, and pinpoint pupils after ingesting a substance she found in her garage. Which of the following treatments is most appropriate for her condition?

Question 2 of 5

3. During a biochemistry exam, a student is asked about the effects of anticholinesterase poisoning on the autonomic nervous system. Which of the following effects is primarily due to the overstimulation of nicotinic receptors?

Question 3 of 5

4. A pesticide worker presents to the emergency department with nausea, vomiting, and excessive sweating. He was working in a field recently sprayed with a cholinesterase inhibitor. In addition to atropine, which of the following medications should also be administered?

Question 4 of 5

5. A research scientist studying the effects of various compounds on synaptic transmission discovers a new substance that significantly prolongs the action of acetylcholine in the synaptic cleft. This substance is most likely an inhibitor of which of the following enzymes?

Question 5 of 5


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