A Nurse Working in the Emergency Department (ED) Is Providing

A nurse working in the emergency department (ED) is providing care for a group of patients. Which patient demonstrates a decline in immune response that typically occurs with the aging process?

A) An 88-year-old with pneumonia who has a temperature of 99.5°F.
B) A 56-year-old who has an 8-mm induration at the site of a purified protein derivative (PPD) skin test 72 hours earlier.
C) A 58-year-old who reports redness and itching as a result of a rash from contact with poison ivy.
D) A 70-year-old who has swelling and redness at the incision from an open appendectomy.