What component is responsible for the accumulation of lymphocytes in the blood during a whooping cough infection?
a. Pertussis toxin
b. Leukemoid reaction
c. T lymphocytes
d. VCA-IgG
Question 2
A 42-year-old HIV-positive patient recently was diagnosed with disseminated histoplasmosis. Which of the following should be ordered to monitor this patient's progression?
a. HIV antibody screen
b. HBsAg
c. CBC
d. CD4:CD8 ratio