11-30-2015, 08:20 PM
Go with C)
RPR and VDRL are 75 - 80 % sensitive in detecting primary syphilis.
1) if RPR + then VDRL - another antigen test, there are also others.
2) FTA - ABS - specific treponemal test - fluorescent treponemal antibody absorption. You take serum to do this.
Source: Internal Medicine CCS for USMLE Step 3 C Fischer book.
Let's do some more of these, if you 'd like.
vesodoc
Peace
V
RPR and VDRL are 75 - 80 % sensitive in detecting primary syphilis.
1) if RPR + then VDRL - another antigen test, there are also others.
2) FTA - ABS - specific treponemal test - fluorescent treponemal antibody absorption. You take serum to do this.
Source: Internal Medicine CCS for USMLE Step 3 C Fischer book.
Let's do some more of these, if you 'd like.
vesodoc
Peace
V