What is the average pH of urine?

What basic presentation skill advises that firefighters should use a relaxed tone to help an audience feel at ease when delivering a fire and life safety presentation?

A. Positive attitude B. Conversational tone C. Best choice of words D. Good development of ideas

Relating to mechanically ventilated patients, which of the following physiologic responses have been shown to be elicited as a consequence of listening for 30 minutes to music of the patient's choice? I. decreased respiratory rate II. decreased blood pressure III. increased heart rate IV. increased patient comfort

A. I, II only B. III, IV only C. I, II, IV only D. II, III, IV only