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MT Boards > Clin Microscopy > Flashcards

Clin Microscopy Flashcards

1
Q

Enzyme deficiency of Lesch-Nyhan syndrome

A

Hypoxanthine-guanine phosphoribosyltransferase

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2
Q

Normal synovial fluid glucose should not be more than ___ than blood glucose

A

10 mg/dL lower

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3
Q

Synovial fluid protein value

A

<3g/dL (1/3 of serum)

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4
Q

Pseudogout crystal

A

Calcium pyrophosphate dihydrate CPPD

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5
Q

Gout crystal

A

Monosodium urate MSU

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6
Q

Only synovial fluid crystal that do not polarize light / no birefringence

A

Apatite (Calcium phosphate)

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7
Q

Synovial fluid viscosity

A

4-6 cm string

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8
Q

Vacuolated macrophage with ingested neutrophil

A

Reiter cell

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9
Q

Enzymes to monitor severity of RA

A

ACP, ALP, GGT, Adenosine deaminase, Muramidase, Cytidine deaminase, LDH, AST

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10
Q

Fluid:serum cholesterol, protein, bilirubin, lactate ratios for TRANSUDATE

A

<0.3, <0.5, <0.6, <0.6
“Chloe ProBi Late”

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11
Q

Pleural fluid with _____, _____, and _____ are associated with tuberculosis

A

Decreased mesothelial cells
Plasma cells
Elevated adenosine deaminase ADA (≥40 U/L)

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12
Q

Recommended test for determining whether peritoneal fluid is a transudate or exudate

A

Serum-ascites albumin gradient SAAG

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13
Q

Normal RBC cell count in SYNOVIAL fluid

A

<2000 cells/uL

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14
Q

RBC cell count in Peritoneal LAVAGE

A

> 100,000 RBCs/uL

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15
Q

Membrane that lines the wall of a cavity

A

Parietal

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16
Q

Test performed for PLEURAL fluid to classify as transudate or exudate

A

Fluid:cholesterol ratio

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17
Q

Differentiation between bacterial peritonitis and cirrhosis

A

Absolute neutrophil count
>250 cells/uL or >50% of total WBC count = inflammation

18
Q

Increased amount of total fecal fats on the second slide (split fat stain)

A

Malabsorption

19
Q

Used to emulsify stool for muscle fiber detection

A

10% alchoholic eosin

20
Q

Results from diseases that damage intestinal mucosa
Results from decreased level of pancreatic enzymes/bile acid formation

A

Malabsorption
Maldisgestion

21
Q

Most routinely used for quantitative fecal fat measurement (gold standard)

A

Van de Kamer titration

22
Q

FOBT more sensitive to lower GI bleeding

A

iFOBT (immunochemical)

23
Q

FOBT more sensitive to upper GI bleeding

A

pFOBT (porphyrin-based fluorometric)

24
Q

APT test reagent

A

1% NaOH

25
Q

Test to differentiate malabsorption and maldigestion

A

D-xylose test

26
Q

Digest gelatin in the Xray film test

A

Trypsin

27
Q

Crystals seen in acidic urine

A

Amorphous urate, Uric acid, Calcium oxalate

28
Q

pH of semen

A

pH 7.2-8.0

29
Q

Shape of calcium pyrophosphate crystals in synovial fluid

A

Rhomboid square, rods

30
Q

Serous fluid for pH determination must be maintained

A

Anaerobically in ice

31
Q

Elements containing concentric striations of collagen-like material and can be seen in benign conditions and are also associated with ovarian and thyroid malignancies

A

Psammoma bodies

32
Q

Induce seminal fluid liquefaction

A

Dulbecco’s phosphate-buffered saline, alpha-chymotrypsin, and bromelain

33
Q

Cells increased in pleural effusions resulting from pancreatitis and pulmonary infarction

A

Neutrophils

34
Q

Normal stool pH

A

pH 7-8

35
Q

Cockcroft-Gault formula parameters

A

“BAGS”
Body weight (kg)
Age
Gender/sex
Serum creatinine

36
Q

MDRD formula parameters

A

“RAGS”
Race
Age
Gender/sex
Serum creatinine

37
Q

Specimen containing ___ produce a yellow foam when shaken, could be mistaken for bilirubin

A

Phenazopyridine (Pyridium)

38
Q

Anticoagulant, orange in alkaline urine, colorless in acid urine

A

Phenindione

39
Q

Brown black color of urine caused by Argyrol (antiseptic), disappears with the addition of

A

Ferric chloride

40
Q

Rapid screening test for UTI

A

Nitrite test (Greiss reaction)

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