synovial fluid ch 12

functions of synovial fluid include all of the following EXCEPT

removal of cartilage debris

which test is NOT performed frequently on synovial fluid?

WBC Count

name of procedure for collecting joint fluid

arthrocentesis

normal joint fluid resembles

egg white

before testing, very viscous synovial fluid should be treated with

hylauronidase

in a patient with infection, the synovial fluid may be

green tinged

refrigerating synovial fluid will significantly affect…

crystal examination

all of the following are abnormal in synovial fluid EXCEPT

synovial lining cells

synovial fluid crystal that forms from purine metabolism or leukemia chemotherapy

monosodium urate

synovial crystal associated w inflammation and dialysis

calcium oxalate

crystal associated with pseudogout

calcium pyrophosphate dihydrate

synovial fluid for crystal exam should be examined with…

wet prep

crystals that can polarize light

all of these

in a crystal exam under polarized light, rhomboid shaped crystals are seen. what color are the crystals when aligned parallel to the slow vibration?

yellow

if crystals shaped like needles are aligned perpendicular to the slow vibration under polarized light, what color are they?

blue

negative birefringeance occurs under red-compensated polarized light when

fast light runs against the molecular grain of the crystal

name of liquid filled cavities found at joints

diarthroses

how is synovial fluid formed

an ultrafiltrate of plasma

what key substance do synoviocytes produce

hylauronic acid

under what conditions does synovial fluid clot?

fibrinogen is introduced from disease

what is MSU crystal associated with?

gout

what is CPPD crystal associated with?

pseudogout

MSU crystals are yellow when

aligned with the slow vibration

CPPD crystals are blue when

aligned with the slow vibration

how is the viscosity of synovial fluid measured?

mucin clot test