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Microbiology Exam 2 > Bacteria Part 3 ( Gram - Rods ) > Flashcards

Bacteria Part 3 ( Gram - Rods ) Flashcards

1
Q

What are the gram negative rods in bacteria ? (17)

A

Rickettsia
Wolbachia
Burkhokderia
Bordetella
Pseudomonas
Escherichia
Salmonella
Shigella
Klebsiella
Serratia
Proteus
Yersinia
Haemophilus
Bdellovibrio
Chlamydias
Bacteroides
Fusobacteria

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2
Q

What’s a slong to help me remember the 17 gram negative rods?

A

Richard
Wore
Bubble
Boobs,
People
Eagerly
Sat
Sharp
Knitting
Sensing
Pricy
Young
Hot
Bodies
Chatting
Backstage
Fabric

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3
Q

What is rickettsia? How is it transmitted and caused what?

A

An obligate intercellular parasite
Transmitted by insect
Spotted fevers

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4
Q

What’s the rickettsia pathogen?

A

Rickettsia rickettsii

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5
Q

What does rickettsia rickettsii cause?

A

Spotted fever

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6
Q

What is wolbachia? Where does it live? And what does it cause ?

A

The most common bacterial genus in the world

Live inside insects & invertebrates

Turns male insects into females

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7
Q

What is burkholderia pathogen?

A

Burkholderia Cepacia

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8
Q

What does b. Cepacia cause? And how do we get it?

A

Contaminated hospital equipment
Causes cystic fibrosis

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9
Q

What is the bordetella pathogen?

A

B. Pertussis

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10
Q

What is b.pertussis?

A

Whooping cough (pertussis)

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11
Q

Is bordetella perussis contagious?

A

VERY! 2,000 cases year in USA

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12
Q

Is b. Pertussis a virulence factor and how?

A

Yes
Cause if exotoxin, pertussis toxin & tracheal cytotoxin

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13
Q

What is the 2 exotoxin in b. Pertussis?

A

Pertussis toxin
Tracheal cytotoxin

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14
Q

Does b. Pertussis have a pili?

A

Yes

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15
Q

Does b.pertussis have a endotoxin?

A

Yes

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16
Q

How does pertussis toxin work in b. Pertussis?

A

Inhibits monocyte migration to infection

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17
Q

How does tracheal cytotoxin work in b. Pertussis ?

A

Inhibits action of cell cilia

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18
Q

How does the pili work for b. Pertussis?

A

Adherence to respiratory tract

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19
Q

How do you get b. Pertussis?

A

Respiratory route

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20
Q

What are the 3 stages of b. Pertussis?

A

Catarrhal stage
Paraoxysmal stage
Convalescence stage

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21
Q

How does the catarrhal stage work for b. Pertussis?

A

Initial state
- sneezing & coughing

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22
Q

How does the paroxysmal stage work for b. Pertussis?

A

Second stage
- Severe coughing ending in whopping
- most contagious stage

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23
Q

What is the convalescence stage for the b.pertussis?

A

Third stage
- less server coughing

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24
Q

What’s the most contagious stage out of the 3 for b. Pertussis?

A

Paroxysmal stage

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25
Q

Can b. Pertussis be prevented and how?

A

DTaP

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26
Q

What is recommend boosters for adolescents and adults because of waning immunity for b. Pertussis?

A

Tdap

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27
Q

What is pseudomonas?

A

Most medically important pathogen

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28
Q

What is the pathogen for pseudomonas?

A

P. Aeruginosa

29
Q

What are the characteristics for p. Aeruginosa? (4) ( resistant? Outer membrane? Grows? Colors? )

A

Resistant to many antibiotics & disinfectants

Outer membrane contains porins that pump these cells

Grows inside disinfects

Blue- green pigment

30
Q

What does pseudomonas cause?

A

Pneumonia
Urinary Tract infections
Infections in burns

31
Q

Is pseudomonas a nosocomial infection?

A

Yes

32
Q

What are the 7 enterobacteriales ? Gram - rods?

A

Escherichia
Salmonella
Shigella
Klebsiella
Serratia
Proteus
Yersinia

33
Q

What’s a slongan to help remember the 7 enterobacteriales?

A

Eagerly
Sat
Sharp
Knitting
Sensing
Pricy
Young

34
Q

What is Escherichia?

A

Facultative anaerobe
Fecal contamination

35
Q

What is the pathogen for Escherichia?

A

E, coli

36
Q

What does e. Coli do?

A

Travelers diarrhea
Urinary tract infections

37
Q

What is salmonella?

A

Cattle and poultry cause infection

38
Q

What’s the pathogen for salmonella?

A

S. Enterica
S. Typhi

39
Q

What is S.Enterica?

A

Flagellar antigen
Uncooked poultry

40
Q

What is s. Typhi?

A

Serious infection of the intestine
Which leads to
Intestinal mucosal wall

41
Q

What is the pathogen for shigella?

A

S. Dysenteriae

42
Q

What does s. Dysenteriae cause?

A

Bacillary dysentery
( gasterointestonal disease )

43
Q

What is Klebsiella?

A

Found in soil and water
Common in hospitals

44
Q

What is the pathogen for klebsiella?

A

K. Pneumoniae

45
Q

What does k. Pneumoniae cause?

A

Serious antibiotic resisitance
Immune compromised individuals

46
Q

What is Serratia pathogen?

A

S. Marcesens

47
Q

What is s. Marcescens? (4)

A

Nosocomial infection
Urinary respiratory tract infection
Septicemias
Produces red pigment

48
Q

What is proteus ?

A

Very active motile
Urinary Tracy infection leading to kidney

49
Q

What is Yersinia pathogen?

A

Y. Pesits

50
Q

What is y.Pestis?

A

Bubonic plague

51
Q

What is y.pestis mainly found in?

A

Rats & squirrels
Direct contact with animals or their fleas

52
Q

What is haemophiles?

A

Mucous membranes of nasopharynx

53
Q

What is haemophils pathogens?

A

H. Influenzae
H. Ducreii

54
Q

What does h. Influenzae do?

A

Pneumonia
Ear aches
Epiglottitis

55
Q

Does h. Influenzae cause the flu?

A

No

56
Q

What are the cultural requirements for h. Influenzae?

A

Blood to grow
X factor = heme
V factor = NAD+

57
Q

What is h. Ducreii?

A

STD
Called chancre

58
Q

What is bdellovibrio? And causes?

A

Not a human pathogen
Attack other gram neg
Causes cell lysis for others

59
Q

What is chlamydias?

A

Obligate intracellular parasites

60
Q

What are the 2 steps for chlamydias transport?

A
  1. Elementary body
    Infective form enters the cell
  2. Reticulate body
    Larger intracellular form
61
Q

How is chlamydia transferred?

A

Personal contact

62
Q

What are the 3 pathogen for chlamydia?

A

C. Trachomatis
C. Psittaci
C. Pneumoniae

63
Q

What does c. Trachomatis do?

A

STD
Blindness

64
Q

What does c. Psittaci do?

A

Pneumonia from birds

65
Q

What does p. Pneumoniae do?

A

Mild form of pneumonia

66
Q

What is bacteroides?

A

Strict anaerobic
Non motile non spore forming

67
Q

What does bacterocides cause?

A

Infections in the peritoneum after surgery gunshot or knife

68
Q

What is fusobacterium ? Found where

A

Long slender strict anaerobe
Mainly found in oral cavity

69
Q

What does fusobacterium cause?

A

Gum disease

Microbiology Exam 2 (10 decks)

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