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BACTE-PART 1
  • Chasny Halasan

  • 問題数 61 • 7/4/2024

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  • 1

    Released by all major gram positive organisms except: Listeria

    EXOTOXINS

  • 2

    Usually produced by gram negative organisms

    ENDOTOXINS

  • 3

    Usually excreted or released by living bacterial cells; does not require cell death for release

    EXOTOXINS

  • 4

    Released only when cells are destroyed (cell death/lysis)

    ENDOTOXINS

  • 5

    Composition of Exotoxins producing bacteria?

    Protein

  • 6

    Composition of Endotoxins producing bacteria?

    polysaccharides

  • 7

    Effect of Exotoxins producing bacteria?

    Systemic

  • 8

    Effect of Endotoxins producing bacteria?

    local

  • 9

    Toxicity level of Exotoxins producing bacteria?

    High

  • 10

    Toxicity level of Endotoxins producing bacteria?

    Low

  • 11

    Stability to heating of Exotoxins producing bacteria?

    Unstable

  • 12

    Stability to heating of Endotoxins producing bacteria?

    Stable

  • 13

    This is the slimy area surrounding the cell wall

    CAPSULE

  • 14

    Responsible for mucoid colonies (encapsulated bacteria)

    CAPSULE

  • 15

    This parts of bacteria prevents phagocytosis

    CAPSULE

  • 16

    This is a capsular swelling test that used to determine if an organism is encapsulated?

    Neufeld Quellung Test

  • 17

    give four bacterias positive (+) with capsule? Hint: BKSH

    Bacillus anthracis, Klebsiella pneumoniae, Haemophilus influenzae, Streptococcus pneumoniae

  • 18

    Cell wall is also known as?

    Murein Layer, Peptidoglycan layer

  • 19

    Defines the shape of bacteria; main component is peptidoglycan

    CELL WALL

  • 20

    Point of anchorage for flagella

    CELL WALL

  • 21

    Site of antibiotic action

    CELL WALL

  • 22

    Basis of gram staining; determines gram positivity/negativity of an organism

    CELL WALL

  • 23

    Gram (+) Bacteria

    WITH RIGID PEPTIDOGLYCAN LAYER

  • 24

    Gram (-) Bacteria?

    WITH THINNER PEPTIDOGLYCAN LAYER

  • 25

    Gram (+) Bacteria

    IMPERMEABLE TO ALCOHOL

  • 26

    Gram (-) Bacteria

    PERMEABLE TO ALCOHOL

  • 27

    Gram (+) Bacteria contains these components on their cell wall

    N-acetylglucosamine, n-acetyl muramic acid

  • 28

    Gram (-) Bacteria contains these components on their cell wall

    Proteins, Phospholipids, Lipopolysaccharide

  • 29

    This bacterias doesn't contain cell wall Hint: MyU

    Mycoplasma, Ureaplasma

  • 30

    Major virulence factor of S. pneumoniae and used to prevent phagocytosis

    M Protein

  • 31

    This is responsible for the acid-fastness of Mycobacterium and prevents digestion during phagocytosis

    Mycolic acid

  • 32

    Surrounds the cytoplasm; site of energy synthesis

    PLASMA MEMBRANE

  • 33

    Transport of nutrients in and out of the cell; function as golgi apparatus and lysosome

    PLASMA MEMBRANE

  • 34

    Functions for adherence or attachment to host cells

    PILI OR FIMBRIAE

  • 35

    This bacteria has terminally located spores

    Clostridium tetani

  • 36

    This bacteria has subterminal spores

    Clostridium botulinum

  • 37

    This bacteria has centrally located spores

    Bacillus anthracis

  • 38

    Resistant structure enabling bacteria to withstand adverse conditions; target of sterilization

    ENDOSPORES

  • 39

    For locomotion; longer than pili

    FLAGELLA

  • 40

    What are the motile bacterias?

    Escherichia coli, Clostridium tetani, Helicobacter pylori

  • 41

    What are the non-motile bacterias?

    Corynebacterium diphtheriae, Clostridium perfringens, Bacillus anthracis, Staphylococci

  • 42

    Motility is best seen at what temperature?

    Room temperature

  • 43

    This is the movement of non-motile organisms due to the movement of molecules surrounding them? Hint: its a color

    Brownian movement

  • 44

    With gliding motility

    Capnocytophaga

  • 45

    With darting motility

    Campylobacter

  • 46

    With tumbling motility

    Listeria

  • 47

    With twitching motility

    Kingella kingae

  • 48

    With shooting star motility

    Vibrio cholerae

  • 49

    With cork-screw motility

    Spirochetes

  • 50

    Serves as energy source; these are food reserves

    METACHROMATIC GRANULES

  • 51

    The DNA in the bacterial cell is generally confined to this central region

    NUCLEOID

  • 52

    Protein synthesis; Gives the cytoplasm of bacteria a granular appearance in EM

    RIBOSOME

  • 53

    Metachromatic granules of Corynebacterium diphtheriae

    Babes Ernst Granules

  • 54

    Metachromatic granules of Mycobacterium tuberculosis

    Much Granules

  • 55

    Metachromatic granules of Yersinia pestis

    Bipolar Granules

  • 56

    Metachromatic granules of Nocardia and Actinomycetes

    Sulfur granules

  • 57

    single flagellum at one end

    Monotrichous

  • 58

    single flagellum at both ends

    Amphitrichous

  • 59

    absence of flagella

    Atrichous

  • 60

    tuft of flagella at one or both ends;

    Lophotrichous

  • 61

    surrounded with flagella

    Peritrichous

  • 62

    Parts of the external cell wall of bacteria

    Capsule, Pili, Flagella