What are the most widely used HIV antibody tests for screening and confirming AIDS?
What will be an ideal response?
Ensuring the accuracy of an HIV antibody test requires two different tests; one for initial screening and one for confirmation. The screening test currently used is the enzyme linked immunosorbent assay or ELISA test. The confirmation test is the immunofluorescent (IFA) or the Western Blot test. The ELISA test is relatively accurate, but it is susceptible to both false positive and false negative results.
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Helium is contained in a 2-m3 rigid volume at 50°C and 200 kPa. Calculate the heat transfer needed to increase the pressure to 400 kPa.
A) 1390 kJ B) 1230 kJ C) 1100 kJ D) 978 kJ
When comparing different-life alternatives by the B/C method, the alternatives should be compared over: (choose one)
(a) The life of the shorter-lived alternative (b) The life of the longer-lived alternative (c) The LCM of their lives (d) An infinite time period
Grille options available in modern fenestration include ____ divided light,simulated divided light, removable grilles, and grilles between glass.
A. actual B. authentic C. real D. true
What are the three common evaporator designs used on air conditioning equipment?
What will be an ideal response?