The Correct Procedure for Testing for Ketones Using a Reagent

Multiple Choice

The correct procedure for testing for ketones using a reagent strip includes ____.

A) using a strip you found sitting out on the counter
B) using a strip from a bottle that was opened 7 months ago
C) testing urine immediately or covering and refrigerating it until you can test it
D) testing a urine sample immediately after removing it from the refrigerator
E) running a control sample once a year to check for proper operation