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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

What is the agar that fungi need to grow?

Sabourand (Sab's a fun gi)