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Microbio Lab Test 2 > Hand Washing Lab > Flashcards

Hand Washing Lab Flashcards

1
Q

Normal Flora

A
  • Staphylococcus epidermidis
  • Corynebacteria
  • Staphylococcus aureus (also transient)
  • Propionibacterium
  • Streptococcus pyogenes
  • Candida albicans (yeast)
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2
Q

Group A Streptococci

A

strep throat

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3
Q

Staphylococcus aureus

A

acne

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4
Q

Klebsiella

A

wound infections

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5
Q

Clostridium difficile

A

colitis

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6
Q

Haemophilus

A

pink eye

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7
Q

Pseudomonas aeruginosa

A

wound infection (blue-green pus)

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8
Q

E. coli

A

diarrhea and/or uti

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9
Q

Bacteroides

A

ear infection or vaginitis (after BM and not washing hands)

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10
Q

Shigella

A

diarrhea

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11
Q

Haemophilus influenzae

A

pneumonia

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12
Q

Bacillus species

A

regular contaminant from soil

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13
Q

What is the purpose of washing hands?

A

To prevent the spread of disease

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14
Q

What is the purpose of the normal flora on our skin?

A

To protect us from the invasion of pathogens

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15
Q

3 groups of normal flora

A
  1. Diptheroids
  2. Staphylococci
  3. Yeast and Fungi
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16
Q

Diptheroids

A
  • gram positive
  • non-pathogenic
  • Propionibacterium acnes > in pores and hair follicles - breaks down oily substances
17
Q

Staphylococci

A
  • inhibit pathogens from establishing any presence on skin

- Staph epidermidis

18
Q

Yeast and Fungi

A

degrade lipid secretions

19
Q

Transient Bacteria

A
  • bacteria we pick up from environment
  • temporary contaminants
  • easily removed
20
Q

Hand Sanitizer

A
  • 65% ethanol
  • dries bacteria from the inside out
  • coagulates proteins
21
Q

Alcohol-Free Sanitizer (Wet Ones)

A
  • 0.3% benzalkonium chloride

- targets cell membrane

22
Q

Povidine iodine scrubs

A
  • 13% iodine
  • iodine crystals “pop” bacteria
  • bacteria ruptures and dies
23
Q

Antibacterial soap

A

0.3% chloroxylenol

24
Q

Kirby Bauer Disk of Diffusion Method

A

-tests sensitivity of antibiotics and disinfectants

25
Q

Antimicrobial

A

inhibits or kills bacteria or other microbes

26
Q

Antibiotic

A
  • kills bacteria
  • produced by other microbes to inhibit or kill other types of microbes
  • inhibit cellular processes
27
Q

Disinfectants and antiseptics

A
  • chemical agents that inhibit microbial growth
  • disinfectants are used on inanimate objects and can kill spores
  • antiseptics can be used on human tissue and cannot kill spores
28
Q

Bacteriotatic

A

inhibits growth of bacteria

29
Q

Bacteriocidal

A

kills bacteria

30
Q

Zone of Inhibition varies based on…

A
  • diffusability of agent
  • size of inoculum (how much bacteria)
  • type of medium used

Microbio Lab Test 2 (5 decks)

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