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Last Ditch > Laboratory Tests/Diagnostic of Choice > Flashcards

Laboratory Tests/Diagnostic of Choice Flashcards

0
Q

Wasserman reaction

A

Serodiagnosis of syphilis

Complement fixation test

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1
Q

How to diagnose cystic fibrosis

A

Chloride sweat test >70mmol/L

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2
Q

Test to localize the bleeding in a ruptured peptic ulcer disease

A

Radiolabeled RBC tagging

Active bleeding at 0.1mL/min
Angiography at 0.5mL/min

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3
Q

Cervical CA

A

Papanicolau smear

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4
Q

Schiller’s test

A

Like a papsmear using Schiller’s iodine

Used to stain the cervix

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5
Q

Schilling’s test

A

B12 deficiency

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6
Q

Schirmer test

A

Sjögren’s syndrome

Test for the production of tears

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7
Q

Osmotic fragility test

A

Hereditary spherocytosis

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8
Q

Echinococcus granulosis

A

Casoni skin test

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9
Q

Casoni skin test

A

Echinococcus granulosis

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10
Q

Mantoux test is examined after

A

48-72 hours

Positive at >10mm
Positive at >5mm (HIV or immunocompromised persons)

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11
Q

Most specific test for typhoid fever

A

Bone marrow biopsy

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12
Q

Diagnosing of typhoid fever based on week

A

1st week: Blood
2nd week: Urine
3rd week: Stool

“BUS”

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13
Q

Australian antigen

A

HbS Ag

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14
Q

Bernstein test

A

Acid perfusion test

GERD

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15
Q

Hemoglobin Bart

A

Tetramers (4 gamma chains)

Hydrops fetalis

16
Q

Most specific test of rSLE

A

DsDNA

17
Q

Most specific for AIDS

A

Western blot (confirmatory)

18
Q

Most sensitive for AIDS

A

ELISA (screening)

19
Q

Enterobius vermicularis

A

Cellophane (Scotch) tape method

20
Q

Pheochromocytoma

A

Vanillymandelic Acid (VMA)

In adults, the plasma metanephrine is more sensitive
VMA is also found in neuroblastoma

21
Q

Gold standard to diagnose Rotavirus

A

Viral culture

22
Q

Kato Katz

A

Schistosoma Japonicum

23
Q

Elek’s test

A

Corynebacterim diptheriae

24
Q

Gold standard for trichinella spiralis

A

Muscle biopsy

25
Q

Bentonite flocculation test

A

Serological diagnosis of Trichinella spiralis

Last Ditch (14 decks)

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