B. Antigen excess correct answers Soluble immune complexes are formed under the condition
of:
A. antigen deficiency
B. antigen excess
C. antibody excess
D. complement
C. Cytotoxic correct answers T lymphocytes that possess the CD8 surface marker mediate which
of the following T-cell functions?
A. delayed type hypersensitivity
B. regulatory
C. cytotoxic
D. helper
A. opsonization correct answers Which of the following activities is associated with C3b?
A. opsonization
B. anaphylaxis
C. vasoconstriction
D. chemotaxis
A. thrombotic thrombocytopenic purpura correct answers In which of the following settings are
platelet transfusions NOT indicated?
A. thrombotic thrombocytopenic purpura
B. immune thrombocytopenic purpura with severe intracranial hemorrhage
C. massive transfusion
D. vascular catheter placement, platelet count 24,000/μL
E. brain biopsy, platelet count 62,000 /μL
B. calcium and phosphate correct answers A reciprocal relationship exists between:
, A. sodium and potassium
B. calcium and phosphate
C. chloride and CO₂
D. calcium and magnesium
A. electrophoresis on a different medium and acidic pH correct answers Hemoglobin S can be
separated from hemoglobin D by:
A. electrophoresis on a different medium and acidic pH
B. hemoglobin A₂ quantitation
C. electrophoresis at higher voltage
D. Kleihauer-Betke acid elution
A. metabolic acidosis correct answers Severe diarrhea causes:
A. metabolic acidosis
B. metabolic alkalosis
C. respiratory acidosis
D. respiratory alkalosis
A. liver disease correct answers Of the following diseases, the one most often associated with
elevations of lactate dehydrogenase isoenzymes 4 and 5 on electrophoresis is:
A. liver disease
B. hemolytic anemia
C. myocardial infarction
D. pulmonary edema
D. at 100°C correct answers A characteristic of the Bence Jones protein that is used to
distinguish it from other urinary proteins is its solubility:
A. in ammonium sulfate
B. in sulfuric acid
C. at 40°-60°C