MLS UAMS QUESTIONS AND
COMPLETE SOLUTIONS GRADED
A+
Your Exam Plug
, What is a nontreponemal test? - Answer: Screening test
use patient antibodies-reagin to cardiolipin
Reagin(a non-specific antibody)
AKA: Anti-cardiolipin;can be IgMor IgG
Sensitive screening tests (will yield lots of positives)
Less expensive & usually not difficult to perform
What reagent is used for the nontreponemal test? - Answer: Mix of Cardiolipin(AGN), cholesterol
(absorption), lecithin (improve sensitivity)
Sensitivity - Answer: Indicates frequency of positive tests results in patients WITH a particular disease -
detectstrue positives
Specificity - Answer: Indicates the frequency of negative test results in patients WITHOUT that disease -
detects true negatives
Sensitivity
names of nontreponemal tests - Answer: VDRL
RPR
names of treponemal tests - Answer: FTA-ABS
HATTS
TP-HA
What kind of technique is used for the Nontreponemal VDRL - Answer: Flocculation on slide
What kind of technique is used for the Nontreponemal RPR - Answer: Precipitation on card
What kind of antigen is used for nontreponemal VDRL tests - Answer: Cardiolipin + lecithin + cholesterol