Recognizing hazards, securing the scene, and calling for appropriate assistance are characteristic of the ______________ level of technical rescue.

One reason females tend to fall as the pregnancy progresses is:

A) relative hypovolemia causing syncope. B) tachycardia that decreases cardiac output. C) the alteration in center of gravity. D) an increased incidence of abruptio placenta.

The amount of blood pumped by the heart in one minute is referred to as:

A) cardiac output. B) blood pressure. C) preload. D) stroke volume.