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Micro 3 > Summary Sheet Cards > Flashcards

Summary Sheet Cards Flashcards

1
Q

Staph Aureus

A
  • Coagulase Positive
  • MRSA
  • Invasive tissue infections
  • Food poisoning (pre formed enterotoxin)
  • TSST
  • Toxic Epidermal Necrolysis (TEN)
  • Septicemia/bacteremia
  • Bone/joint infection
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2
Q

Staph Epidermidis

A
  • Coagulase negative staph
  • Normal Skin Flora
  • Endocarditis
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3
Q

Staph Saprophyticus

A

-UTI in women of child bearing age

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4
Q

Step Pyogenes, Group A

A
  • Invasive tissue infections (enzymes and toxins)
  • Impetigo, cellulitis, erysipelas
  • Scarlet Fever - erythrogenic toxin
  • Necrotizing Fasciitis (strep gangrene, invasive cellulitis “flesh eating”
  • Streptococcal toxin shock syndrome from (highly invasive enzymes and toxins)
  • Acute exudative pharyngitis —> post streptococcal complications –rheumatic fever, acute glomerulonephritis
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5
Q

Group B Strep

A

pneumonitis and meningitis in neonates from vaginal flora

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6
Q

Strep Pneumoniae

A
  • Capsule, IgA protease
  • Meningitis
  • Otitis Media
  • Pneumonia
  • Sinusitis
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7
Q

Enterococcus Faecalis

A
  • Bacteremia
  • Nosocomial wounds
  • UTI
  • Multi Drug Resistance
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8
Q

Vibrio Cholerae

A
  • Curved Bacilli

- Massive Diarrhea (toxin)

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9
Q

Vibrio Parahemolyticus

A

-Gastroenteritis from contaminated shellfish

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10
Q

Vibrio Vulnificus

A
  • Septicimia, cellulitis, gastroenteritis
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11
Q

Camplylobacter Jejuni

A
  • Microaerophilic, curved bacilli

- Gastroenteritis esp. from contaminated chicken or raw milk

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12
Q

Salmonella Enteritidis

A
  • Antigenic types B & D predominate in USA
  • Gastroenteritis (diarrhea), esp from contaminated poultry and reptiles
  • Invasion of intestinal mucous membrane but w/o significant deeper invasion or bloodstream invasion
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13
Q

Salmonella typhi

A
  • Typhoid fever
  • initial invasion and multiplication w/in intestinal membrane followed by invasion of bloodstream
  • Invasion/localization in gallbladder, spleen, liver, and bones
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14
Q

Shigella

A
  • Antigenic groups D and B predominate in USA
  • Dysentery (bacillary dysentery, shigellosis) - invasion of intestinal epithelial cells with sloughing and bleeding
  • Exotoxin produced by some strains
  • endotoxins stimulate some disease responses
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15
Q

Escherichia coli

A
  • Genes from most toxins on plasmids
  • Normal fecal flora
  • Urinary tract infections (adherence and colonization)
  • ETEC - severe watery diarrhea due to CHOLERA-LIKE enterotoxins esp in TRAVELERS
  • EHEC - hemorrhagic colitis, enteroinvasive - invasion of intestinal epithelium, dysentery/bloody diarhhea, SHIGA-TOXINS, endotoxin)
  • May cause hemolytic uremic syndrome; predominantly due to serotype O157:H7
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16
Q

Mycobacterium tuberculosis

A
  • Acid fast bacillus
  • Use 3 to 5 drugs to overcome multi-drug resistance
  • PRIMARY TB - mild/asymptomatic - skin test pos; chest x-ray neg; no sputum produced
  • Tubercle bacteria survive macrophage & in lymph nodes
  • CMI slows growth & causes inflammation; bacteria contained w/in tubercles; disease remains latent/dormant possibly for years
  • SECONDARY TB - clinical TB - skin test pos, x-ray pos, sputum pos
  • CMI fails to contain growth; tubercles (ghon complex) necrotic; enlarge & rupture into airways and blood vessels
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17
Q

Mycobacterium avium-intracellulare

A

-complex–pulmonary lesions and lymphdenitis; esp in AIDS patients; resistant to many antituberculosis drugs

18
Q

Haemophilus influenzae

A
  • Meningitis in unvaccinated young children (HIB)
  • Epigottitis
  • Otitis media
19
Q

Haemophilus ducreyi

A

Chancroid (asia)

20
Q

Neisseria Meningitis

A

Meningococcal meningitis

-Primarily in ages 4-40; outbreaks in school settings

21
Q

Neisseria gonorrhoeae

A
  • Gonorrhea
  • Urethritis, endocervicitis
  • Septic arthritis
22
Q

Chlamydia trachomatis

A
  • Atypical bacteria, tissue cell culture; lab diagnosis by Ag detection
  • STD “non gonococcal urethritis/cervicitis”
  • Trachoma-Inclusion Conjunctivitis
23
Q

Chlaemydia pneumoniae

A
  • Mild pneumonia
  • Bronchitis
  • Atherosclerosis
24
Q

Mycoplasma pneumoniae

A
  • Atypical bacteria, not cultured on typical agar media; lab diagnosis by Ag or Ab detection
  • Primary atypical pneumoniae
25
Q

Rickettsia

A
  • Atypical, obligate intracellular parasites
  • ID by antigen of antibody detection from blood or biopsy
  • Rocky mountain spotted fever; epidemic typhus - headache, fever, pain, rash
  • R. rickettsii, R. prowazekii (others) - species specific and vector specific
26
Q

Listeria monocytogenes

A

food poisoning, meningitis

27
Q

Bacillus anthracis

A

Aerobic, spore forming

- Anthrax

28
Q

Clostridium perfringens

A

Anaerobic, spore forming

  • food poisoning
  • gangrene
29
Q

Costridium botulinum

A

Anaerobic, spore forming

-Botulism from food poisoning (pre-formed toxin)

30
Q

Clostridium difficile

A

Anaerobic, spore forming

- Antibiotic associated diarrhea (Pseudomembranous colitis)

31
Q

Clostridium tetani

A

Anaerobic, spore forming

-Tetanus (neurotoxin)

32
Q

Bacteroides fragilis

A

Anaerobic

  • deep abscesses
  • aspiration pneumonia
  • empyema
33
Q

Pseudomonas aeruginosa

A
  • Opportunistic nosocomial pathogen
  • Wound infections
  • Resistant to many antibiotics
34
Q

Klebsiella pneumoniae

A
  • Opportunistic pneumonia
35
Q

Enterobacter

A

-Opportunistic bacteremia & UTI, esp. in BURN patients

36
Q

Proteus

A
  • Nosocomial UTI & WOUND infections
37
Q

Providencia

A
  • Opportunistic and nosocomial BURN and WOUND and UTI
38
Q

Legionella

A
  • Opportunistic pneumonia
39
Q

Helicobacter pylori

A

Peptic Ulcers

40
Q

Bordatella pertussis

A

Pertussis (whooping cough)

41
Q

Corynebacterium diptheriae

A

Diptheria

Micro 3 (1 decks)

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