Which of the following is a sign of exsanguination?

Hypotension is a key sign of exsanguination, which refers to severe blood loss that can lead to a life-threatening condition. When a person experiences significant blood loss, the volume of circulating blood decreases, leading to a drop in blood pressure. This low blood pressure can result in inadequate perfusion of organs and tissues, causing symptoms such as dizziness, weakness, or even loss of consciousness.

In the context of hemodialysis, exsanguination might occur if there is an issue such as a dislodged needle, significant bleeding, or other complications that lead to rapid loss of blood. Monitoring blood pressure is essential in a hemodialysis setting because sudden hypotension can indicate that the patient is losing blood or experiencing fluid shifts, requiring immediate intervention to prevent further complications.