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

What is the distinctive feature of a laceration?

1. Smooth edges

2. Mild abrasion

3. Jagged cut

4. Blister formation

The correct answer is: Jagged cut

A laceration is characterized by its jagged edges, which distinguishes it from other types of wounds. This irregularity is a result of the skin being torn rather than cut cleanly. The jagged nature of a laceration can occur due to various factors, such as trauma from a sharp object or a blunt force that tears the skin. Smooth edges are typically associated with incisions, which are clean cuts made by a sharp object. Mild abrasion refers to superficial damage to the skin, often without breaking the skin completely, and does not represent the tearing action seen in lacerations. Blister formation is a result of fluid accumulation beneath the skin due to friction or irritation, which is unrelated to the characteristics of a laceration itself. This clarity on the anatomy of lacerations helps in identifying and managing them appropriately in an emergency medical context.