A Patient, Age 36, Is Admitted with Diarrhea and Dehydration

A patient, age 36, is admitted with diarrhea and dehydration. The physician has ordered several diagnostic studies of the patient's stools. When obtaining a stool specimen to be examined for ova and parasites, the nurse should

A) use an oil retention enema to facilitate collection.
B) refrigerate the specimen immediately.
C) instruct the patient to obtain three different stool specimens on subsequent days.
D) check the specimen for the presence of occult blood.