Which condition could potentially lead to shock in a trauma patient?

A pelvic fracture can lead to shock in a trauma patient due to the significant potential for internal bleeding. The pelvis is a large bone structure that houses major blood vessels, and when fractured, these vessels can be damaged, resulting in substantial blood loss. The resulting hypovolemia, or low blood volume, can hinder the body's ability to maintain adequate blood pressure and perfusion to vital organs, resulting in shock.

In contrast, injuries like a fractured collarbone, sprained ankle, or minor contusions typically do not carry the same risk for serious internal bleeding. While these injuries can cause pain and discomfort, they are generally not associated with the same capacity for rapid blood loss that can critically affect the patient's hemodynamic stability.