Flashcards in Micro Deck (155)
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1
What is the function of the peptidoglycan layer?
Gives cells rigid support.
2
What is the major surface antigen on bacteria?
Cell wall (if gram positive)
3
What is the antigenic part of the outer membrane of gram negative bacteria?
Lipid A
4
What is the function of the capsule of bacteria?
Protects against phagocytosis
5
What is the function of pilli?
Cell attachment
6
What is the function of the glycocalyx?
Mediates cell adherence to surfaces
7
What is the gram stain and morphology of staph and strep?
Gram positive cocci
8
What is the gram stain and morphology of Neisseria?
Gram negative cocci
9
What is the gram stain and morphology of Clostridium?
Gram positive rod
10
What is the gram stain and morphology of Corynybacterium?
Gram positive rod
11
What is the gram stain and morphology of Bacillus?
Gram positive rod
12
What is the gram stain and morphology of Listeria?
Gram positive rod
13
What is the gram stain and morphology of mycobacterium?
Weak Gram positive (acid fast) rod
14
What is the gram stain and morphology of gardnerella?
Gram variable rod
15
What are the two gram positive, branching filamentous rods?
Actinomyces
Nocardia
16
What are the two pleomorphic, gram negative rods?
Rickettsiae
Chlamydiae
17
What are the three gram negative spirochetes?
Borrelia
Leptospira
Treponema
18
What are the three major gram negative respiratory bacteria?
Haemophilus
Legionella
Bordetella
19
What are the 6 bacteria that do not gram stain well? (hint: These Microbes May Lack Real Color)
Treponema
Mycobacteria
Mycoplasma
Legionella
Rickettsia
chlamydia
20
What are the bacteria that stain with a Giemsa stain? (hint: Certain Bugs Really Try My Patience)
Chlamydia
Borrelia
Rickettsia
Trypanosomes
Plasmodium
21
What is the PAS reaction used for?
Polysaccharides
22
India ink stain = ?
Cryptococcus neoformans
23
Ziehl-Neelsen (carbol fuchsin rxn) is used to identify which bacteria?
Nocardia and Mycobacterium
24
Silver stain is used to identify what type of organisms?
Fungi
25
Which bacteria needs chocolate agar with factors V (NAD) and X (hematin)?
H. influenzae
26
Which bacteria needs Thayer-Martin media (VPM)?
Neisseria gonorrhoeae
Neisseria Meningitidis
27
What is contained within the VPM media that N. gonorrhoeae and N. Meningitidis need?
Vancomycin
Polymyxin
Nystatin
28
Which bacteria needs Bordet-Gengou (potato) agar?
Bordetella pertussis (bordet for bordetella)
29
Which bacteria needs Lowenstein-Jensen agar?
TB
30
