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Flashcards in Lab Exam Deck (25):
1

Urease test /Christensen medium:

urease (+): purple (proteus, klebsiella, helicobacter)
urease (-): citric yellow

2

clauberg + löeffler medium?

corynebacterium diphteriae

3

Löwenstein-jensen medium?

Mycobacterium tuberculosis

4

korthof medium?

leptospira

5

holman + thioglycolate media?

clostridium tetani and clostridium perferingens

6

wasserman test (CF test)?

syphilis /Treponema Pallidum

7

gruber-widal test?

salmonella

8

weil-felix test?

rickettsia (also proteus OX19)

9

wright test?

brucella/francisella

10

elek test?

corynebacterium diptheriae

11

Neisser staining?

corynebacterium diptheriae

12

Silver impregnation?

leptospira

13

ziehl-neelsen staining?

Mycobacterium tuberculosis

14

giemsa staining?

plasmodium falciparum and trypanosoma brucei

15

coagulase test

coagulase (+): staph. aureus
coagulase (-): other staphylococci

16

catalase test?

catalase (+): staphylococci
catalase (-): streptococci

17

oxidase test?

oxidase (+): pseudomonas, vibrio, campylobacter, neisseria (obligate anaerobes, positive test =pink purple color)
oxidase (-):

18

indol test (ureum-indol tube):

(+): E. coli (intense red ring on top
(-): Klebsiella

19

EMB test? (Mackony agar?)

lactose (+): fermenters= E.coli, Klebsiella
lactose (-): salmonella and shigella, proteus

20

slide agglutination with E coli?

(+): white particles
(-):

21

TCBS?

Vibrio cholerae

22

Bismuth sulphite medium?

salmonella

23

Brilliant green medium?

e.coli and salmonella

24

DC medium?

shigella and e. coli

25

Russel medium:

glucose, saccharose and lactose fermenter test

(+): deep red (e.coli) (gas production)
(-): other sugars than lactose are fermented =little red color and no gas - shigella