2.4.1 Synovial Fluid (Microscopic Examination, Crystal examination) Flashcards by Miguel Acosta

Q

What microscope is used for synovial fluid in Crystal examination?

A

Polarizing microscope

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Q

Polarizing microscope is a birefringent crystals appear bright against dark background

T or F

A

T

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Q

This microscope uses with red compensator between the crystal and the analyzer

A

Compensated polarizing microscope

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Q

Compensated polarizing microscope:

In negative birefringence:
_______ (Color?) when aligned; ______ (Color?) when perpendicular to the slow axis

A

Yellow

Blue

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Q

Compensated polarizing microscope:

In Positive birefringence:
_______ (Color?) when aligned; ______ (Color?) when perpendicular to the slow axis

A

BLue

Yellow

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Q

What is the control for the polarization of MSU

A

Beta methasone acetate corticosteroid

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Q

Crystal Examination (Shape)

Needles

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

a

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Q

Crystal Examination (Shape)

Rhombic plates

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

c

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Q

Crystal Examination (Shape)

Square, rods

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

b

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Q

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

A

d

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Q

Crystal Examination (Shape)

Envelopes

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

e

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Q

Crystal Examination (Shape)

Small particles

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

f

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Q

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

a,c,d,e

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Q

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

A

b,d

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Q

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

A

d

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Q

Crystal Examination

Which of the following are Does not have Birefringence?

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

f

Q

Crystal Examination (Significance)

Gout

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

a

Q

Crystal Examination (Significance)

Osteoarthritis

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

f

Q

Crystal Examination (Significance)

Renal dialysis

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

e

Q

Crystal Examination (Significance)

Injections

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

d

Q

Crystal Examination (Significance)

Pseudogout

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

b

Q

Crystal Examination (Significance)

Chronic inflammation

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

c

Q

Crystal Examination (Significance)

also known as apatite

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

f

Q

Crystal Examination (Significance)

Recommeded to use electron microscope to properly demonstrate this crystal

a. Monosodium urate (MSU)
b. Calcium pyrophosphate (CPPD)
c. Cholesterol
d. Corticosteroid
e. Calcium oxalate
f. Calcium phosphate

A

f