My Micro Part 1, USMLE Flashcards Preview

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Flashcards in My Micro Part 1, USMLE Deck (500)
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1

Bacterial structure: Rigid support

Peptidoglycan

2

Bacterial structure: Major surface antigens (2)

1) Cell wall
2) Outer membrane (G-)

3

Bacterial structure: Protects against osmotic pressure

Peptidoglycan

4

Bacterial structure: Site of oxidative and transport enzymes

Plasma membrane

5

Bacterial structure: Site of endotoxin

Outer membrane (G-)

6

Bacterial structure: Space between the cytoplasmic membrane and outer membrane in G-

Periplasm

7

Bacterial structure: Site of lipopolysaccharide

Outer membrane (G-); aka endotoxin

8

Bacterial structure: Mediate adherence of bacteria to cell surface

Pilus/fimbria

9

Bacterial structure: Motility

Flagellum

10

Bacterial structure: Resistant to dehydration, heat, and chemicals

Spore

11

Bacterial structure: Forms attachment between 2 bacteria during conjugation

Sex pilus

12

Bacterial structure: Contains genes for antibiotic resistance, enzymes, and toxins

Plasmid

13

Bacterial structure: Adherence to surfaces, especially foreign surfaces (e.g. indwelling catheters)

Glycocalyx

14

Bacterial structure: Sugar backbone with peptide side chains cross- linked by transpeptidase

Peptidoglycan

15

Bacterial structure: Lipoteichoic acid

Cell wall

16

Bacterial structure: Lipid A

Outer membrane (G-)

17

Bacterial structure: O polysaccharide

Outer membrane (G-)

18

Bacterial structure: Phospholipid bilayer

Plasma membrane

19

Bacterial structure: Contains hydrolytic enzymes, including beta lactamases

Periplasm

20

Bacterial structure: Component of pilus/fimbria

Glycoprotein

21

Bacterial structure: Component of flagellum

Protein

22

Bacterial structure: Components of spore

1) Dipicolinic acid
2) Peptidoglycan

23

Bacterial structure: Keratin-like coat

Spore

24

Bacterial structure: DNA

Plasmid

25

Bacterial structure: Component of capsule

Organized discrete polysaccharide layer EXCEPT B. anthracis

26

Subunits of bacterial ribosome

30S and 50S

27

Substances induced by exposure to major surface antigens

TNF and IL-1

28

Component of cell wall that induces TNF and IL-1

Lipoteichoic acid

29

Component of outer membrane (G-) that induces TNF and IL-1

Lipid A

30

Antigen of outer membrane (G-)

O polysaccharide