This virus is thought to be responsible for the majority of what had been identified as non-A, non-B hepatitis infections:

The most common symptom of pneumothorax that occurs in nearly every patient is:

a. shortness of breath. b. chest pain. c. dizziness. d. syncope.

Answer the following statement(s) true (T) or false (F)

1. Pyelonephritis is urinary tract infection that remains in the bladder.  2. The patient with chronic kidney (renal) failure may be asymptomatic until the kidneys have lost about 90% of their function.