Flashcards in Ch 18 Deck (35)
Loading flashcards...
1
Biological features of Staphylococci
-shape
-arrangement
-gram stain
-motility (motile)
-form of respiration
>S. aeureus
>S. epidermidis
>S. saprphytrous
shape:
arrangement:
Respiration:
Gram stain: (+)
-catalase (+)
-faculatative anaerobe
-coagulas (+)
-can digest proteins&lipids
-pyogenic
-proteolysis
2
Diseases of Staphylococci
-Foliculitis
-Furuncle
-Carbuncle
-Impetigo
(Foliculitis)
(Furuncle)
(Carbuncle)
(Impetigo)
3
Mechanim of Disease for Staphylococci
-virulence factors
(Virulence)
>Toxins
-entertoxins
-exfoliative toxins
-TSS Toxins
>Enzymes
-coagulase
-hyaluronidase
-staphylokinase
-nuclease
-lipase
-penicilinase
4
Transmission of Staphylococci
-Method
-Habitat
-Audience
-Resevoir
(Method)
-
(Habitat)
-anterior nares
-nasopharynx
-intestines
-skin
(Audience)
-immunodefficient
-nurseries
-preexisting infection
tissue injusry
(Resevoir)
-
5
Prevention & Treatment Staphylococci
(Prevention)
-proper handwashing
-proper disposal of discharge
(Treatment)
-surgical removal of abscess
6
Biological features of Streptococcus pyogenes
-shape
-arrangement
-gram stain
-motility (motile)
-form of respiration
shape:
arrangement:
Respiration:
Gram stain: (+)
-faculatative anaerobe
-catalase (-)
-fastidious
-capsule
-proteolysis
7
Diseases of Streptococcus pyogenes
-Rheumatic Fever
-Acute glomerulonephitis
-Streptococcal Pharyngitis
-Streptococcal impetigo
-erysipeials
(Rheumatic Fever)
(Acute glomerulonephitis)
(Streptococcal Pharyngitis)
(Streptococcal impetigo)
(Erysipeials)
8
Mechanim of Disease for Streptococcus pyogenes
-virulence factors
(Virulence)
>C-carbohydrate
>fimbrae
>M-protein
>C5a protease
>Hyaluronic acid capsule
9
Transmission of Streptococcus pyogenes
-Method
-Habitat
-Audience
-Resevoir
(Method)
-contact
-droplets
-fomites
(Habitat)
-throat
(Audience)
-5-15 year old children
(Resevoir)
10
Prevention & Treatment Streptococcus pyogenes
(Prevention)
-
(Treatment)
-penecillin
-neutralizing antitoxin against erythrogenic toxin
11
Biological features of Streptococcus pneumococcus
-shape
-arrangement
-gram stain
-motility (motile)
-form of respiration
Alpha hemolytic
shape:
arrangement:
Respiration:
Gram stain: (+)
-alpha-hemolytic
-optochin sensitive
12
Diseases of Streptococcus pneumococcus
-Menginitis
-Pneumonia
-otitis media
-pleuritis
-edocarditis
(Menginitis)
-
(Pneumonia)
-
(otitis media)
-
13
Mechanim of Disease for Streptococcus pneumococcus
-virulence factors
(Virulence)
>Capsule
14
Transmission of Streptococcus pneumococcus
-Method
-Habitat
-Audience
-Resevoir
(Method)
-
(Habitat)
-nasopharynx
(Audience)
-
(Resevoir)
-
rarely survives outside host
15
Prevention & Treatment Streptococcus pneumococcus
>Vaccine!!
(Prevention)
-Vaccine
(Treatment)
-Penicillin
16
Biological features of Streptococcus agalactiae
-shape
-arrangement
-gram stain
-motility (motile)
-form of respiration
Beta Hemolytic
shape:
arrangement:
Respiration:
Gram stain: (+)
-Beta hemolytic
-Camp+ facor
17
Diseases of Streptococcus agalactiae
-Meningitis
-endocarditis
-wound/skin infections
(Meningitis)
-
(endocarditis)
-
(wound/skin infections)
-
18
Mechanim of Disease for Streptococcus agalactiae
-virulence factors
(virulence)
-
19
Transmission of Streptococcus agalactiae
-Method
-Habitat
-Audience
-Resevoir
(Method)
-
(Habitat)
-vagina
(Audience)
-
(Resevoir)
-
20
Prevention & Treatment Streptococcus agalactiae
(Prevention)
-screen pregnant women
(Treatment)
-Penecillin
21
Biological features of Alpha-hemolytic Streptococci:Viridans
-shape
-arrangement
-gram stain
-motility (motile)
-form of respiration
shape:
arrangement:
Respiration:
Gram stain: (+)
-thick biofilm
-opportunistic
-no toxins. no enzymes.
-invasive
22
Diseases of Alpha-hemolytic Streptococci:Viridans
-Subacute endocarditis
-Dental complications
(Subacute endocarditis)
-bloodborne bacteria settle in heart lining
(Dental complications)
-bacteremia
-meningitis
-tooth abscess
23
Mechanim of Disease for Alpha-hemolytic Streptococci:Viridans
-virulence factors
(Virulence)
>thick biofim
24
Transmission of Alpha-hemolytic Streptococci:Viridans
-Method
-Habitat
-Audience
-Resevoir
(Method)
-
(Habitat)
>oral cavity
-nasopharynx
-genital tract
-skin
(Audience)
-
(Resevoir)
-
25
Prevention & Treatment Alpha-hemolytic Streptococci:Viridans
(Prevention)
-
(Treatment)
-
26
Biological features of Neisseria gonorrhoeae
-shape
-arrangement
-gram stain
-motility (motile)
-form of respiration
shape:
arrangement:
Respiration:
Gram stain: (-)
-catalase (+)
-oxidase (+)
-strict parasite
-does not ferment maltose
-doesn't grow on agar
27
Diseases of Neisseria gonorrhoeae
-Gonorrhea
-Urearthritis
-Salphgitis (PIV)
-Keratitis
(Gonorrhea)
Symptoms:
-pharyngitis
-gingavitus
(Urearthritis)
-
(Salphgitis (PIV))
-
(Keratitis)
-
28
Mechanim of Disease for Neisseria gonorrhoeae
-virulence factors
(Virulence)
>Enzyes
-Protease
>fimbrae
-attatchment, slow phagocytosis
29
Transmission of Neisseria gonorrhoeae
-Method
-Habitat
-Audience
-Resevoir
(Method)
-
(Habitat)
-Genital & extragenital
-Urethra in men
-Vagina in women
(Audience)
-
(Resevoir)
-only humans
30
