A chemical agent used by terrorists is described as having a high volatility. You should recognize this descriptor as meaning that the chemical is:

When assessing a 90-year-old woman who fell, what assessment finding should concern the paramedic most?

A) Skin tear that appears infected on her arm B) Heart rate of 90 beats per minute C) Sudden onset of confusion D) History of osteoporosis and leg pain

Clonidine, an antihypertensive, is classified as which of the following?

A) a beta-blocker B) a diuretic C) a peripherally acting blocker D) a centrally acting blocker