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PHARM 346 - Infectious Disease > Bacterial Pathogens 1 > Flashcards

Bacterial Pathogens 1 Flashcards

1
Q

Gram Positive Cocci

A
  • Staphylococcus
  • Streptococcus
  • Enterococcus
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2
Q

Gram Positive Bacilli

A
  • Listeria Monocytogenes
  • Corynebacterium Diphtheriae
  • Bacillus Anthracis
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3
Q

Gram Stain

A

Purple = Gram Positive (Thick Peptidoglycan wall)

Pink = Gram Negative
(Thin Peptidoglycan wall)

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4
Q

What organisms does a gram stain not work with

A

No cell wall
- Mycoplasma/Ureaplasma
- Chlamydia

Acid Fast Bacteria
- Mycobacterium

Viruses

Fungi Stains

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5
Q

Impetigo

A

Epidermis Infection

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6
Q

Erysipelas

A

Upper Dermis Infection

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7
Q

Cellulitis

A

Deeper Dermis and Subcutaneous Fat Infection

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8
Q

Staphylococcus Aureus
- Habitat

A
  • Skin
  • Muscous Membrane
  • Respiratory Tracts
  • Air, environment
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9
Q

Staphylococcus Aureus
- Infections

A

Skin infections
- Impetigo
- Erysipelas
- Cellulitis

  • Osteomyelitis
  • Joint infections
  • Sepsis
  • Endocarditis
  • Prosthetic material infection
  • Necrotizing pneumonia
  • Toxin mediated disease

Folliculitis

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10
Q

Staphylococcus Aureus
- Identification

A
  • Gram Positive
  • Cocci
  • Clusters
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11
Q

What condition does Scalded Skin syndrome

A

Staphylococcus Aureus

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12
Q

Staphylococcus Epidermidis
- Habitat

A
  • Skin
  • Mucous membranes
  • Respiratory tract
  • Air, environment
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13
Q

Staphylococcus Epidermidis
- Infections

A

Prosthetic material infections
- Stich Abscesses
- IV Catheter Infections
- Catheter Associated UTIs
- Prosthetic Joint Infections
- Sepsis
- Endocarditis

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14
Q

Staphylococcus Epidermidis
- Identification

A
  • Gram positive
  • Cocci
  • Clusters
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15
Q

Staphylococcus Saprophyticus
- Habitat

A
  • Genital mucous membrane of women at child-bearing age
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16
Q

Staphylococcus Saprophyticus
- Infections

A

Urinary tract infection

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17
Q

Staphylococcus Saprophyticus
- Identification

A
  • Gram Positive
  • Cocci
  • Clusters
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18
Q

Streptococcus Pyogenes
- Identification

A
  • Gram Positive
  • Cocci
  • Chains
  • Beta Hemolytic (Group A)
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19
Q

Streptococcus Pyogenes
- Habitat

A
  • Everywhere
  • Skin
  • Throats of asymptomatic carriers
20
Q

Streptococcus Pyogenes
- Infections

A

Skin infection
- Abscesses, erysipelas, cellulitis

Pharyngitis, tonsillitis

Immune mediated diseases
- Rheumatic fever
- Acute glomerular nephritis

Toxin Mediated Diseases

21
Q

What bacteria causes Scarlet Fever

A

Streptococcus Pyogenes
- Strawberry Tongue

22
Q

What bacteria causes Necrotizing Fasciitis

A

Streptococcus Pyogenes
- Infection of deep tissue that destroys muscle fascia and subcutaneous fat

23
Q

Streptococcus Agalactiae
- Identification

A
  • Gram Positive
  • Cocci
  • Chains
  • Beta Hemolytic (Group B) = Full Hemolysis
24
Q

Streptococcus Agalactiae
- Habitat

A
  • Vagina
  • Cervix
  • Gastrointestinal Tract
25
Streptococcus Agalactiae - Infection
- Postpartum sepsis - Neonatal sepsis - Neonatal pneumonia - Neonatal meningitis
26
Streptococcus Pneumoniae - Identification
- Gram-Positive - Diplococci - Chains - Alpha-Hemolytic = Partial Hemolysis
27
Streptococcus Pneumonia - Habitat
- Upper respiratory tract - Asymptomatic carriage common (30-70% in young children but <5% in adults)
28
Streptococcus Pneumonia - Associated Infections
- Pneumonia - Otitis Media - Sinusitis - Sepsis - Meningitis
29
Viridans Group Streptococci - Identification
- Gram-Positive - Cocci - Chains - Alpha-Hemolytic (Partial Hemolysis)
30
Viridans Group Streptococci - Habitat
- Mouth - Gastrointestinal Tract - Respiratory Tract - Urogenital Tract - Environment
31
Viridans Group Streptococci - Infections
- Dental caries - Brain, oropharynx, GI tract, abscesses - Sepsis - Endocarditis (In those with already abnormal heart valves)
32
Enterococcus Faecalis - Identification
Gram-Positive Cocci Chains Grow in high salt and high pH
33
Enterococcus Faecalis - Habitat
- Skin - Mouth - Gastrointestinal Tract - Urogenital Tract - Environment
34
Enterococcus Faecalis - Infections
- Post surgical wounds - Intraabdominal infections and abscesses - Sepsis - Endocarditis
35
Enterococcus Faecium - Identification
- Gram-Positive - Cocci - Clusters - Grow in high salt and high pH
36
Enterococcus Faecium - Habitat
- Skin - Mouth - Gastrointestinal Tract - Urogenital Tract - Environment
37
Enterococcus Faecium - Infections
Post-surgical infections Intraabdominal infection and abscesses Endocarditis Sepsis
38
Listeria Monocytogene - Identification
Gram-Positive Bacillus Non-Spore Forming Small beta-hemolysis Enters food production
39
Listeria monocytogenes - Habitat
Gastrointestinal Tract Environment
40
Listeria monocytogenes - Infections
Causes disease in pregnant, elderly, infants, and with underlying diseases Diarrhea, Gastroenteritis Sepsis, Meningitis, Endocarditis Spontaneous abortion, Still birth
41
Corynebacterium Diphtheriae - Identification
Gram-Positive Bacilli Non-Spore Forming
42
Corynebacterium diphtheriae - Habitat
Nasopharynx Skin Environment
43
Corynebacterium diphtheriae - Infections
Respiratory diphtheriae Cutaneous diphtheriae
44
Bacillus Anthracis - Identification
Gram-Positive Bacilli Spore Forming
45
Bacillus Anthracis - Habitat
Infected animals Spores in soil, water, vegetation Bioterrorism
46
Bacillus Anthracis - Infections
Cutaneous anthrax Inhalation anthrax Gastrointestinal anthrax Anthrax meningitis Injection anthrax

PHARM 346 - Infectious Disease (15 decks)

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