ASCP MLT Immunology Exam with Practice Questions and Answers

ASCP MLT Immunology Exam with Practice Questions and Answers A peripheral blood total leukocyte count is 10.0 × 103/µL (10.0 × 109/L). The differential reveals 55% neutrophils, 2% eosinophils, 40% lymphocytes and 3% monocytes. Assuming a lymphocyte recovery of 85-95%, what is the expected number of T cells in a normal individual? A.750/µL B.2500/µL C.4000/µL D.8000/µL ANSWER B.2500/µL The first isotype of immunoglobulin made by the fetus that may be elevated in cases of in utero infection is: A.IgA B.IgG C.IgM D.IgD ANSWER C.IgM Substances that are antigenic only when coupled to a protein carrier are: A.opsonins B.haptens C.adjuvants D.allergens ANSWER B.haptens Tumor-associated transplantation antigens (TAAs) are not found in: A.fetal cells B.tumor cells C.bacterial cells D.viral cells ANSWER C.bacterial cells Systemic lupus erythematosus patients (SLE) with active disease often have which of the following test results? A.high titers of anti-microsomal antibodies B.high titers of anti-smooth muscle antibodies C.marked decrease in serum CH50 D.decreased serum immunoglobulin levels ANSWER C.marked decrease in serum CH50