Emergency Medical Technician (EMT) Basic Certification Practice Exam

What is the defining characteristic of an arterial bleed?

1. Dark red color

2. Steady flow

3. Spurting, pulsating flow

4. Slow, even flow

The correct answer is: Spurting, pulsating flow

An arterial bleed is characterized by a spurting or pulsating flow of blood. This distinctive feature occurs because arteries carry blood away from the heart under high pressure. When an artery is severed or compromised, the blood exits the vessel in forceful spurts that coincide with the heartbeat, creating a pulsating effect. This is a crucial aspect of recognizing arterial bleeding, as it can indicate a potentially life-threatening situation that requires immediate medical intervention. In contrast, other types of bleeding present differently: venous bleeding typically has a steady flow and is darker in color due to the deoxygenated blood in veins. Similarly, the slow and even flow associated with capillary bleeding differs significantly from the rapid spurting seen in arterial issues. Recognizing these differences is essential for effective assessment and treatment in emergency medical situations.