UW Health CLinicals Streps Bench Flashcards Preview

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Flashcards in UW Health CLinicals Streps Bench Deck (10)
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1

Normal flora of respiratory tract

Staph aureus, S.epidermidis, Haemophilus influenza and Neisseria meningitidis.

2

Normal flora of the mouth

strep viridans, coag neg staph, peptostreptococcus and stomatococcus

3

what test differentiates the microcaccacaea from gram positive streptococcaceae?

catalase

4

What test(s) is/are used to differentiate micrococcus from staph coag neg?
What are the results for each?

modified oxidase,(+)-micrococcus
bacitracin, (s)-micrococcus

5

what are 3 selective medias that can be used to selectively isolate staph aureus from heavily contaminated specimen?

CNA
PEA
Mannitol Salt auger

6

what test is used to differentiated between coagulase negative staph?

Novobiocin (R)- Staph. sapro

7

what species of Strep are beta hemolytic?

Strep agalactiae (group B), group C and Strep. pyogenes

8

How do you differentiate between group B and group C Strep?

CAMP test (+)- Group B

9

what species of Strep are alpha hemolytic?

Strep. pneumo and Strep Viridans

10

how do you differentiate between the alpha hemolytic streps?

Viridans Strep. Optichin disk(R)