29) The nurse is assessing a 4-year-old complaining of a fever, chills, headache, and malaise with firm and tender cervical lymph nodes. What laboratory test is used to confirm the diagnosis of infectious mononucleosis?
A. WBC count revealing leukocytosis
B. CBC revealing increased lymphocytes
C. Positive heterophile antibody test
D. Positive Epstein-Barr virus antibody test

ANSWER