12-06-2009, 10:11 AM
A 66-year-old female, who has worked all of her life
on a small family farm on the Kanto plain near Tokyo, has
a peripheral white blood cell (WBC) count of 64,000/pL.
Immunophenotyping reveals that 90% of these WBCs are
T lymphocytes that are CD4 positive. She has had no
previous major illnesses. Which of the following viral
agents is most likely involved in this process?
(A) HPV
(B) Human immunodeficiency virus type 1 (HIV-1)
© Epstein-Barr virus (EBV)
(D) Human T-cell lymphotropic virus type I (HTLV-I)
(E) HBV
on a small family farm on the Kanto plain near Tokyo, has
a peripheral white blood cell (WBC) count of 64,000/pL.
Immunophenotyping reveals that 90% of these WBCs are
T lymphocytes that are CD4 positive. She has had no
previous major illnesses. Which of the following viral
agents is most likely involved in this process?
(A) HPV
(B) Human immunodeficiency virus type 1 (HIV-1)
© Epstein-Barr virus (EBV)
(D) Human T-cell lymphotropic virus type I (HTLV-I)
(E) HBV