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Microbiology Exam 3 > Gram + bacilli pt. 2 > Flashcards

Gram + bacilli pt. 2 Flashcards

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Biology 101 flashcards
1
Q

Mycobacterium Leprae

  • Diseases?
  • symptoms
  • stages of disease
A

Leprosy

Lepromas (lesions) form on skin

  1. Tuberculoid leprosy
  2. Multibacillary leprosy
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2
Q

What are the treatements for Leprosy?

A

Rifampycin

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3
Q

Actinomyces israelii

  • Diseases?
  • How does it spread?
  • Whats it cause/symptoms?
A

Actinomycosis

Muscosal breach (dental work)

Destroy bones, lessions form towards face

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4
Q

What is the treatment for actinomycosis?

A

Penicillin

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5
Q

Psuedomonas aeruginosa

  • Who does it most affect?
  • What does it cause?
  • What distinguishing factor does it have?
A

Infect if have immune dysfunction: Cystic fibrosis patient

Endotoxic shock.

Produces pyocyanin pigment

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6
Q

What is the treatment for Pseudomonas aeruginosa?

A

Cephalosporin

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7
Q

Burkholderia

What flagellar arrangement does it have?

B. Cepacia

Produces?

B. pseudomallei

Causes?

A

Lophotrichous flagella

  • B. cepacia= Elastase
  • B. pseudomallei = meliodosis

(nodules on skin)

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8
Q

Brucella abortus

Disease?

How does it infect?

What are the signs?

A

Brucellosis

Zoonotic (cattle)

Fluctuating temperature

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9
Q

Francisella tularensis

Disease?

How does it infect?

What are the signs?

A

Tularemia

Zoonotic (rabbits)

Enters through eyes

Ulcerative skin lesions

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10
Q

Bordatella pertussis

Disease

  • What does it do?
  • symptoms?
  • Treatment?
A

Pertussis

  • Destroys cilia and causes buildup of mucous
  • Persistent coughing
  • DTap vaccine
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11
Q

Legionella pneumophila

Where can it be found

What disease does it cause?

What are the symptoms?

A

Found in fresh water

Legionnaires (pneumonia)

High fever (>105 degrees), cough

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12
Q

What types of surface antigens do Colform bacilli contain?

A
  1. H-antigen (flagellar)
  2. K-antigen (Capsule)
  3. O-antigen (cell wall)
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13
Q

What do these types of E. Coli dp/cause:

EHEC

ETEC

A
  • EHEC= Produces shiga toxin that causes hemolytic uremia syndrome
  • ETEC= Produces LT and ST toxin that causes diarrhea
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14
Q

What do these types of E. Coli do/cause:

EIEC

EPEC

A

EIEC= Dysentary of the large intestine

EPEC= Causes infantile disease

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15
Q

What do these types of E. Coli cause/do:

EAEC

E. Coli H7

A

EAEC= aggregate in mucosa, release enterotoxins

E. Coli H7= Causes food poisoning

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16
Q

Klebsiella pneumoniae

  • surface antigens?
  • Causes?
A
  • Has O+ and K+ antigen with thick capsule
  • Causes pneumonia and UTIs
17
Q

Enterobacter cloacae

  • Where are they most often contracted
A

Contracted when in the ICU

18
Q

What is special about this Carbapenem-resistant bacteria:

Citrobacter freundii

What disease does it cause?

A

Can cross blood-brain barier

-Neonatal meningitis

19
Q

Serratia marcescens

  • How can it be distinguished?
  • What does it contain for resistance?
  • What type of diseases does it most often cause?
A
  • Produces prodigiosin pigment
  • Has plasmid R-factor (MDR)
  • Causes HAIs
20
Q

How can you test for Non-coliform, gram (-) bacilli?

A

Can’t ferment lactose

21
Q

Proteus vulgaris

How does it move?

What disease does it cause?

A
  • Swarming motility
  • Kidney stones as it produces urease
22
Q

Salmonella enterica

What diseases does it cause?

Symptoms/effects?

A
  1. Typhoid fever
    1. Invades small intestines: causes sepsis
    2. Perforations is intestines form
  2. Food poisoning
23
Q

Shigella dysenteriae

What diseases does it causes?

What are the symptoms/effects?

A

Shigellosis

  • Invades Large intestines does not cause perforations
  • causes fever, mucosa damage and:

Shiga toxin= nerve damage

24
Q

Yersinia pestis

What is it spread by?

What diseases does it cause?

A

Zoonotic disease (fleas)

  1. Bubonic plague
  2. Septicemic plague
  3. Pneumonic plague
25
Q

Haemophilus influenza

When does it most commonly develop?

What diseases does it cause?

A

Activated during a viral infection

  1. Bacterial pneumonia
  2. Bacterial meningits

HiB conjugate vaccination

Microbiology Exam 3 (11 decks)

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