South Dakota Medication AidePractice Test

Question: 1 / 400

What symptoms could signal an overdose of an anti-cholinergic agent?

Blurred vision and sweating

Flushing, dry skin, and urinary retention

An overdose of an anti-cholinergic agent can lead to a characteristic set of symptoms due to the drug's action of blocking the neurotransmitter acetylcholine. The symptoms that signal an overdose often include flushing, dry skin, and urinary retention.

Flushing occurs because of vasodilation, affecting blood flow and skin temperature regulation. Dry skin is a result of the inhibition of the cholinergic pathways that normally stimulate sweat and sebaceous glands, leading to decreased moisture production. Urinary retention can happen because anti-cholinergic agents inhibit bladder contractions and reduce the urge to urinate, which can lead to difficulties in emptying the bladder.

These symptoms are recognized as part of the anticholinergic syndrome, a condition associated with excessive activity of anticholinergic agents, and represent a physiological response to the lack of acetylcholine action in the systems that control sweating, skin regulation, and urinary function. Understanding this can help in identifying overdose situations and prompt appropriate medical interventions.

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Tachycardia and muscle spasms

Fatigue and headache

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