Question

the most common type of wound is a(n) __________, which exposes nerve endings.
a. puncture
b. contusion
c. abrasion
d. bruise

Explanation:

An abrasion is a common type of wound where the top - layer of skin is scraped off, often exposing nerve endings. A puncture is a narrow, deep wound. A contusion (bruise) is damage to blood vessels under the skin without breaking the skin surface.

Answer:

C. abrasion