Which of the following is NOT a type of wound?

The correct answer identifies a type of wound that does not fit the classification of the other types. Incisions, abrasions, and punctures are all specific types of wounds that result from different kinds of trauma to the skin or underlying tissues.

Incisions are clean cuts that often result from sharp objects, such as knives or broken glass. They have well-defined edges and can vary in depth, potentially damaging deeper tissues. Abrasions are surface-level injuries caused by scraping the skin against a rough surface, which removes the outer layer of skin but typically does not penetrate deeper layers. Punctures are more penetrating injuries usually caused by pointed objects, which can create a small opening in the skin and may carry a risk of deeper damage and infection.

In contrast, a contusion—commonly known as a bruise—is not a wound in the traditional sense as it does not involve an open break in the skin. Instead, it results from the impact of a blunt force that causes blood vessels to break underneath the skin, leading to discoloration and swelling without an open injury. Thus, it is essential to recognize that while a contusion is indeed an injury, it differs fundamentally from the other listed options with respect to how it affects the skin and tissue