2.4.1 Synovial Fluid (Microscopic Examination, Crystal examination) Flashcards
What microscope is used for synovial fluid in Crystal examination?
Polarizing microscope
Polarizing microscope is a birefringent crystals appear bright against dark background
T or F
T
This microscope uses with red compensator between the crystal and the analyzer
Compensated polarizing microscope
Compensated polarizing microscope:
In negative birefringence:
_______ (Color?) when aligned; ______ (Color?) when perpendicular to the slow axis
Yellow
Blue
Compensated polarizing microscope:
In Positive birefringence:
_______ (Color?) when aligned; ______ (Color?) when perpendicular to the slow axis
BLue
Yellow
What is the control for the polarization of MSU
Beta methasone acetate corticosteroid
Crystal Examination (Shape)
Needles
a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate
a
Crystal Examination (Shape)
Rhombic plates
a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate
c
Crystal Examination (Shape)
Square, rods
a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate
b
Crystal Examination (Shape)
Flat, Variable-shaped plates
a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate
d
Crystal Examination (Shape)
Envelopes
a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate
e
Crystal Examination (Shape)
Small particles
a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate
f
Crystal Examination
Which of the following are Negative for Birefringence?
a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate
a,c,d,e
Crystal Examination
Which of the following are Positive for Birefringence?
a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate
b,d
Crystal Examination
Which of the following are Negative and positive for Birefringence?
a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate
d