Which of the following specimens does not require digestion and decontamination prior to media inoculation?
A) Catheterized urine B) Gastric lavage C) Pleural fluid D) Wound aspirate
Question 2
Homogentisic acid (HGA), which is colorless, can convert to a dark compound when:
A) reacted with hydrogen ions in slightly acid urines.
B) exposed to carbon dioxide.
C) mixed with hydrogen peroxide produced in acidic urines.
D) exposed to air in an alkaline urine.
