Which of the following is NOT a symptom of nerve agent poisoning described by the DUMBELS acronym?

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Multiple Choice

Which of the following is NOT a symptom of nerve agent poisoning described by the DUMBELS acronym?

Explanation:
Nerve agent poisoning causes a cholinergic toxidrome, where excess acetylcholine overstimulates muscarinic receptors. This leads to the classic DUMBELS effects: increased secretions (salivation, sweating, lacrimation), miosis, bronchorrhea/bronchospasm, and GI symptoms like diarrhea and emesis, along with urination. The heart rate typically slows (bradycardia) and blood vessels may dilate, often causing low blood pressure. Hypertension does not fit this pattern because the parasympathetic overactivity drives slowing and vasodilation rather than rising blood pressure. So hypertensive state is not a feature of the DUMBELS presentation.

Nerve agent poisoning causes a cholinergic toxidrome, where excess acetylcholine overstimulates muscarinic receptors. This leads to the classic DUMBELS effects: increased secretions (salivation, sweating, lacrimation), miosis, bronchorrhea/bronchospasm, and GI symptoms like diarrhea and emesis, along with urination. The heart rate typically slows (bradycardia) and blood vessels may dilate, often causing low blood pressure. Hypertension does not fit this pattern because the parasympathetic overactivity drives slowing and vasodilation rather than rising blood pressure. So hypertensive state is not a feature of the DUMBELS presentation.

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