What type of injury is caused by a sharp object leading to a straight cut?

An injury caused by a sharp object leading to a straight cut is classified as an incision. Incisions are characterized by their clean, straight edges, typically resulting from surgical instruments, knives, or other sharp objects. This type of injury can vary in depth and severity but is distinct from other injuries because of its sharp, linear nature.

Fractures refer to broken bones and are not injuries from sharp objects. Contusions, commonly known as bruises, are caused by blunt force trauma resulting in blood vessels breaking under the skin, while concussions are a type of traumatic brain injury caused by a blow to the head, leading to temporary disruptions in brain function. These other injuries do not match the description of a direct cut made by a sharp object, which is why incision is the most appropriate term for this type of injury.