Microbiology Flashcards

1
Q

What are the 4 common skin pathogens?

A
  • Bacteroides
  • Pseudomonas
  • Staph A
  • Strep Pyo
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2
Q

What are the 2 common non-bacterial skin pathogens?

A
  • Fungi

- HSV

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3
Q

What are the 6 typical respiratory pathogens?

A
  • Strep P
  • H flu
  • M Cat
  • Pseudomonas
  • Klebsiella
  • Staph A
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4
Q

What are the 3 atypical respiratory pathogens?

A
  • Mycoplasma
  • Chlamydophila
  • Legionella
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5
Q

What are the 2 common viral respiratory pathogens?

A
  • Influenza virus

- Covid 19

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6
Q

What are the 6 common enteric pathogens?

A
  • E. coli 0157H7
  • Campylobacter
  • Salmonella
  • Shigella
  • Yersinia
  • Vibrio
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7
Q

What are 2 common enteric pathogens that can cause parasitic infections?

A
  • Giardia lamblia

- Cryptosporidium

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8
Q

What are the 4 common urinary tract pathogens?

A
  • E. coli
  • Klebsiella
  • Enterococcus
  • Enterobacteriaceae
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9
Q

What are the 3 common sexually transmitted pathogens?

A
  • Chlamydia
  • Gonorrhea
  • Treponema pallidum (Syphilis)
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10
Q

What bacteria are associated with the following bite wounds?

a. cats (and dogs)
b. dogs
c. humans

A

a. pasteurella multocida
b. pasteurella canis
c. eikenella corrodens

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11
Q

When obtaining a throat swab what are the 2 tests and in which order should they be done?

A
  1. rapid strep antigen test

2. culture test

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12
Q

Adequate specimen is described as ____ than 10 squamous epithelial cells/LPF.

A

< 10

*Poor/contaminated specimen is > 10

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13
Q

When collecting blood cultures what is the order of collection?

A
  1. aerobic (blue cap)

2. anaerobic (red cap)

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14
Q

Before collecting specimen for a blood culture, the area should be cleansed using what?

A

70% alcohol + 2% chlorhexidine

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15
Q

When performing a direct stain, crystal violet will be picked up by what type of gram bacteria?

A

gram positive

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16
Q

When performing a direct stain, a counter stain with Safranin will be picked up by what type of gram bacteria?

A

gram negative

17
Q

Which of the following susceptibility test results signify it is ok to treat the patient with the measured antibiotic?

a. sensitive
b. intermediate
c. resistance

A

a. sensitive

18
Q

Legionella pneumophilia is better seen with which type of stain?

A

Direct fluorescent antibody stain

19
Q

What is the gold standard for C-Diff testing?

A

Tissue culture cytotoxicity assay

20
Q

What is the most common type of toxin testing for C-Diff?

A

Enzyme immunoassay

21
Q

Nucleic Acid Amplificaton (NAAT) is a good test to identify what 3 pathogens?

A
  • chlamydia
  • gonorrhea
  • mycobacterium tuberculosis
22
Q

Which of the following type of tests is not appropriate for early disease detection?

a. Susceptibility test
b. Antigen Detection
C. Serology
D. NAAT

A

C. Serology

23
Q

Which of the following tests is good for detecting host antibodies?

A. Susceptibility test
B. Antigen Detection
C. Serology
D. NAAT

A

C. Serology

24
Q

Which of the following tests is valuable for detection of difficult to detect/grow organisms?

A. Susceptibility test
B. Antigen Detection
C. Serology
D. NAAT

A

D. NAAT