The Leukocyte Count of an Older Adult Patient Is Elevated

The leukocyte count of an older adult patient is elevated.The nurse shows the best understanding of the effect of aging on body function when:

A) checking the patient for drug allergies before requesting an antibiotic prescription.
B) asking that the patient's temperature be taken before notifying the physician.
C) encouraging the patient to drink several glasses of water and then repeat the laboratory tests.
D) having the patient produce a urine sample and requesting a stat urinalysis.