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Flashcards in micro Deck (67)
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1

Grows on chocolate agar with Factor V (NAD+) and X (hematin)

H. influenzae

2

Thayer Martin/ VPN (Vancomycin, Polymyxin, Nystatin) media

N. gonorrhoeae

3

Bordet-Gengou (potato) agar

B. pertussis

4

Loffler's media

C. diptheriae

5

Lowerstein Jensen agar

M tuberculosis

6

Eaton's agar

M. pneumoniae

7

pink colonies on MacConkey agar

lactose fermenting enterics, like E.coli

8

blue black colonies with metallic sheen on eosin-methylene blue agar

E. coli

9

charcoal yeast extract agar with cysteine and iron

Legionella

10

Sabouraud's agar

fungi

11

mycobacteria growing in serpentine fashion on selective growth medium correlates with?

virulence

indicates presence of cord factor

12

antibodies against polyribitol ribose phospate will protect against what organism

H. influenzae (epiglottitis)

13

asthmatic with bronchiectasis and transient pulm infiltrates with high IgE and eosinophilia

colonized with Aspergillus

Allergic bronchopulmonary aspergillosis

14

recent travel to Great lakes, mississippi, ohio river basin

Blastomyces

15

KOH showing round yeast with doubly refractive walls and single broad based bud

blastomycosis

16

treatment for blastomycosis

Itraconazole

17

croup, barking cough

parainfluenze (paramyxoviridae family)

18

characteristics of CMV

enveloped, double stranded DNA

19

characteristics of picornavirus (polio, coxsackievirus, echovirus, hepatitis A)

non enveloped RNA virus

20

characteristics of rhinovirus

noneveloped SS+ RNA

21

characteristics of rotavirus

noneveloped dsRNA virus

22

characteristics of Norwalk virus

non enveloped ssRNA virus

23

catalase pos bacteria

Staph aureus
Burkholderia cepacia
Serratia marcescens
Nocardia
Aspergillus

24

ovoid cells inside macrophages

histoplasmosis

25

mechanism of action of fluroquinalones

inhibits DNA gyrase--> bacteria DNA damage--> death

26

mechanism of tetracyclines

inhibit bacterial 30S ribosome

27

mechanism of macrolides (chloramphenicol, azithro)

inhibits bacteria 50S ribosome

28

painful less ulcers --> painful ulcers and lymphadenopathy and ulceration
cell scrapings with cytoplasmic inclusion bodies

Chlamydia trachomatis

29

mechanism of pseudomonas exotoxin A

inactivates EF 2 via ribosylation--> inhibits host cell protein synthesis

same as diptheria toxin

30

organism causing gas gangrene

Clostridium perfringens