lab tests Flashcards
1
Q
ANA sensitivity
A
95-100% sensitive
NOT specific
do it only once
2
Q
ANA levels can change with
A
age
3
Q
Test that is highly specific for lupus
A
ds DNA
4
Q
which 2 lupus related tests can correlate with disease activity - not always
A
dsDNA
Complement
5
Q
Rheumatoid factor is
A
NOT a specific test for RA
and do it only once
6
Q
A negative RF does not
A
EXCLUDE diagnosis of RA
and vice versa
7
Q
a highly specific test for RA
A
Anti-CCP antibodies
also not useful in monitoring disease activity
8
Q
which of the 2 inflammatory APRs does not change with age
A
CRP
9
Q
APRs may be useful in which 2 diseases
A
PMR and GCA