The urine microscopic constituents that best differentiate between cystitis and pyelonephritis are:

The onset of ___________ soon after exposure to radiation is a predictor of poor outcomes.

A) hair loss B) tachycardia C) confusion D) vomiting

Under Medicare, approximately how often must a physician certify that home care is needed?

A) once a year B) ?every six months C) every 60 days D) ?weekly