Paramedics driven by the maxim "do no harm" often ask themselves if what they do truly helps, or if, at a minimum, no harm has been caused to the patient.

How frequently should a clinician make changes when weaning from PEEP?

a. 10 to 20 min b. 30 to 45 min c. 1 hr d. 6 to 8 hr

What is the maximum allowable volume of blood that can be collected in one dermal puncture on a 2.2-lb infant?

A. 0.5 mL B. 5.0 mL C. 0.25 mL D. 2.5 mL