Lab tests

Question 1

ESR/CRP is used in monitoring what 4 conditions?

Answer 1

RA
PMR
systemic vasculitis
lupus

Question 2

between ESR and CRP, which rises faster in tissue injury?

Answer 2

CRP

Question 3

two things that could cause High ESR, low CRP

Answer 3

liver dz, lupus

Question 4

antibody against post translational modification of arginine; associated w/ erosive damage & severe dz
develops earlier in disease than RF in RA

Answer 4

CCP

Question 5

best type; detects large number of autoantibodies

Answer 5

immunofluorescence ANA

Question 6

ANA pattern seen in lupus & scleroderma

Answer 6

homogenous/diffuse pattern

Question 7

test you should check if low back painfor over 3 months + inflammatory back pain

Answer 7

HLA B27

Question 8

above what level does urate deposit as crystals in body fluid or tissue

Answer 8

uric acid

Question 9

when should you check uric acid with gout?

Answer 9

btwn flares when using urate lowering therapy

Question 10

• transparent, yellow, HIGH viscosity
• over 200 WBC, under 25% PMN

Answer 10

noninflammatory fluid

Question 11

translucent yellow, LOW viscosity,
over 2K WBC, over 50% PMN

Answer 11

inflammatory fluid

Question 12

• opaque dirty/yellow, variable viscosity
• over 80K WBC, over 75% PMN

Answer 12

septic arthritis

Question 13

disease with speckled or homogeneous/diffuse pattern that will always have (+) ANA

Answer 13

SLE