North Carolina EMT State Practice Exam 2025 - Free EMT Practice Questions and Study Guide

Question: 1 / 665

What is one of the side effects of administering activated charcoal?

Increased heart rate

Black stools

When administering activated charcoal, one of the well-known side effects is the occurrence of black stools. This is due to the fact that activated charcoal is a black, powdery substance that binds to certain substances in the gastrointestinal tract to prevent their absorption. As it passes through the digestive system, it can affect the coloration of the stool, resulting in a black appearance. This discoloration can often be alarming to patients or caregivers who are not aware that it is a benign side effect of the treatment. Recognizing this side effect is important for both EMTs and patients to avoid unnecessary concern and to ensure proper understanding of the treatment process.

While the other listed effects might be linked to different medical conditions or treatments, they are not common or expected side effects of activated charcoal administration.

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Respiratory distress

Constriction of pupils

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