MICRO Flashcards

Lab tests

1
Q

Lab test for STREP Pyogenes. Rheumatic fever

A

ASO titre

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2
Q

Catalase test

A

Staph (+)

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3
Q

Chick embryo culture

A

VIRUS

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4
Q

Chocolate agar/Thayer martin agar/ heated blood agar

A

Gonorrhea

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5
Q

Coagulase test

A
Staph AUREUS (+) 
other staphs are (-)
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6
Q

Colliform

A

E.coli

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7
Q

Coombs test

A

RBC antigen
Hemolytic anemia.
erythroblastosis fetalis.
Rh factor

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8
Q

Dick test

A

scarlet fever

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9
Q

HLA-B27

A

seroneg arthritides (PAIR)

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10
Q

HLA-DR5/CD4

A

AIDS

ELISA checks DNA and western BLOT checks protein
ELISA has a lot of false positives must do western blot to confirm AIDS

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11
Q

Mannitol Salt

A

STAPH

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12
Q

Paul Bunnel

A

Mono

Downey cells

“don’t let mono get you down”

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13
Q

Phosphatase

A

Milk pasteurization to make sure all phosphatase is destroyed

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14
Q

Sabouraud Agar

A

FUNGI

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15
Q

Schick test

A

Diptheria

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16
Q

Tissue culture

A

VIRUS

chick embryo culture also tests for virus’

17
Q

Weil Felix

A

ALL Rickettsia

EXCEPT Coxiella burnetti (Q fever)

18
Q

Widal test

A

typhoid fever

19
Q

Tzank test

A
Herpes Zoster (shingles) 
herpes simplex (cold sores/genital warts) 
Varicella
20
Q

Tests for syphilis

A

Wasserman, VDRL, Darkfield

21
Q

TB test

A

Mantoux = tine = skin prick test

“My ass is fat”
Mycobacterium are acid fast

BCG= bacillus Calmette Guerin vaccine

22
Q

Blue/green pus

A

Pseudomonas Aeruginosa

open burn infection
unsanitized hot tubs (otitis media- swimmers ear)

23
Q

Red pus

A

serratia marcenscens

24
Q

White pus

A

Chlamydia

25
Q

Yellow pus

A

Staph Aureus

26
Q

Yellow/green pus

A

Gonorrhea

27
Q

Penicillin

A

inhibits cell wall synthesis

gram +

28
Q

Streptomycin

A

inhibits PROTEIN synthesis

gram -

29
Q

Sulfa

A

competes with PABA

gram -

30
Q

Tetracycline

A

inhibits PROTEIN synthesis

gram - & +

turns teeth gray/yellow

31
Q

Rickettsia Akari causes _____ and it’s vector is _____.

A

Rickettsial Pox

Mite

32
Q

Rickettsia Porwazeki causes _____ and it’s vector is _____.

A

Epidemic Typhus aka “Bril-Zinsser’s Dz”

Louse

33
Q

Rickettsia Quinata causes _____ and it’s vector is _____.

A

Trench fever

Louse

34
Q

Rickettsia Rickettsii causes _____ and it’s vector is _____.

A

rocky mountain spotted fever

use bug repellent

vector: Wood tick

35
Q

Rickettsia TSutsugamushi causes _____ and it’s vector is _____.

A

Scrub Tphus

mites

36
Q

Rickettsia typhi (mooseri) causes _____ and it’s vector is _____.

A

Murine typhus, endemic typhys

fleas

37
Q

Coxiella burnettii causes _____ and it’s vector is _____.

A

Q-fever

the ONLY rickettsia that is weil-felix NEGATIVE

vector: milk