Fried's rule is a formula for solving pediatric dosage calculations based upon the patient's:

In patients with blood loss, only about _____ of the fluid is still in the vascular space ______ after it is administered

A) one-half; two hours B) one-third; one hour C) two-thirds; one hour D) three-quarters; two hours

Regardless of a paramedic's circadian rhythms, he or she should:

A) not overlook the need for rest. B) vary his or her sleep schedule. C) only consume minimal caffeine. D) eat at different times of the day.