Which of the following methods is primarily used for screening HIV infection?
AVirus isolation for confirmation
BELISA for screening followed by western blot as a confirmation test
CPolymerase chain reaction for viral load measurement
DRapid HIV antibody test
A patient presents with suspected primary syphilis. Which sequence of tests provides the most cost-effective screening approach?
ADark field microscopy only
BTreponemal test followed by non-treponemal test if positive
CBoth tests simultaneously
DNon-treponemal test followed by treponemal test if positive
What is the most sensitive diagnostic method for detecting Trichomonas vaginalis?
APap smear
BCulture
CNucleic acid amplification test (NAAT)
DWet mount microscopy
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