A Nurse Who Works in the Emergency Department Is Providing

A nurse who works in the emergency department is providing care for a group of clients. Which client demonstrates a declining immune response that typically occurs with the aging process?

A) An 88-year-old client with pneumonia who has a temperature of 99.5°F
B) A 70-year-old client who has swelling and redness around an abdominal incision from an open appendectomy
C) A 58-year-old client who complains of redness and itching after developing a rash from contact with poison ivy
D) A 56-year-old client who has 8 mm induration at the site of a PPD skin test administered 72 hours earlier