As blood volume is lost due to a traumatic injury, the body's response is to:
A) decrease heart rate and vasoconstrict major veins.
B) increase heart rate and decrease systemic vascular resistance.
C) decrease heart rate and promote peripheral vasoconstriction.
D) increase heart rate and close precapillary arterioles.

Question

Quizplus · Accepted Answer

The body responds to blood loss by increasing heart rate to maintain cardiac output and closing precapillary arterioles to redirect blood flow to vital organs.

As Blood Volume Is Lost Due to a Traumatic Injury