ACCURATE ANSWERS
A ventilation/perfusion (V/Q) scan is ordered for patients being considered for
lung transplant to determine
A. The lung with the best ventilation and perfusion
B. A mismatch between ventilation and perfusion
C. Which lung to replace
D. the difference in each lung function between right and left lungs
E. B and C only
F. All of the above correct answer E. A mismatch between ventilation and
perfusion, and which lung to replace
HIV testing is done by enzyme immunoassay at many centers. Equivocal or
positive results are confirmed by which of the following methods?
A. Enzyme linked immunosorbent assay (ELISA)
B. Complement dependent cytotoxic assay
C. Flow cytometry
D. Western Blot correct answer D. Western Blot
Most patients will have an intradermal skin test for tuberculosis. However some
patients may be anergic due to the severity of their illness. In such cases, the
patient will have controls placed. the two most commonly used kin test controls
are:
A. Bacillus Calmette-Guerin (BCG) and human T-lymphotropic virus-1 (HTLV-1)
B. Candida and mumps
C. Measles and influenza