New York State Basic Emergency Medical Technician (EMT-B) Practice Exam

Which of the following is NOT a sign of respiratory failure in a child?

1. Cyanosis

2. Crying

3. Limp muscle tone

4. Slow heart rate

The correct answer is: Crying

In the context of recognizing signs of respiratory failure in a child, "crying" is not considered a sign of respiratory distress or failure. When a child is crying, they are typically able to breathe adequately, demonstrating the ability to maintain an open airway and adequate ventilation. Crying indicates that the child is responding to their environment and is likely still engaged in communication, which is a positive sign of respiratory function. In contrast, cyanosis, limp muscle tone, and slow heart rate are indicative of respiratory distress or failure. Cyanosis, a bluish discoloration of the skin or mucous membranes, suggests insufficient oxygenation of the blood and is a critical sign of respiratory compromise. Limp muscle tone may suggest a severe lack of oxygen to the brain and body, often indicating a severe state of respiratory distress. A slow heart rate, or bradycardia, in children can occur due to hypoxia, a deficiency in the amount of oxygen reaching the tissues, which is often associated with respiratory failure. Recognizing these signs is vital for timely intervention in pediatric emergencies.