W04_05 Intro to bacteriology II Flashcards
reservoir for staph. aureus?
skin (axillae, perineum), nares
how virulent is staph aureus?
very.
what’s the most common disease of staph aureus?
skin/soft tissue infections (abscesses)
what are the most serious diseases of staph aureus?
bacteremia and endocarditis and toxic shock and pneumonia
reservoir for coag-neg staphylococci?
skin
which staphylococcus is predisposed to UTIs?
s. saprophyticus
reservoir for streptococcus pyogenes (group A strep)?
skin, pharynx
mode of transmission for streptococcus pyogenes (group A strep)?
contact, droplet
what are the diseases of streptococcus pyogenes (group A strep)?
pharyngitis, skin/soft tissue infections (impetigo, erysipelas, nec. fasc.), bacteremia, toxic shock, septic arthritis, rheumatic fever, glomerulonephritis
reservoir for strep.pneumoniae?
oral-pharyngeus
virulence for strep.pneumoniae?
capsule, autolysin, pneumolysin, protein A
diseases of strep pneumoniae?
pneumonia, sinusitis, otitis media, meningitis, bacteremia
reservoir for enterococcus spp?
GI tract
virulence factors for enterococcus spp?
adhesin, hemolysin in some
disease of enterococcus spp?
UTI, intra-abdominal infections
reservoir for e.coli?
GI tract
virulence of e.coli?
fimbriae, hemolysin, flagella, cytotoxin, enterotoxin
disease of e.coli?
UTI, hospital pneumonia, intra-ab infections, gastroenteritis/HUS
reservoir for enteric pathogens?
GI tract
reservoir for haemophilus influenzae?
oral pharynx
virulence of haemophilus influenzae?
capsule, IgA protease
reservoir for neisseria meningiditis
oral pharynx
mode of transmission for n. meningiditis?
contact, droplet
virulence factors of n. meningiditis?
capsule, IgA protease, endotoxin
reservoir for neisseria gonorrhoeae?
genital tract
mode of transmission for n. gonorrhoeae
contact
diseases of n. gonorrhoeae?
cervicitis, urethritis, pharyngitis, pelvic inflammatory disease (females), disseminated gonococcemia
reservoir of chlamydia trachomatis?
genital tract
big virulence factor of chlamydia trachomatis?
intracellular survival
reservoir of clostridium spp?
soil (tetani, botulinum, perfringens),
hospital/GI tract (c. difficile)
mode of transmission for clostridium spp?
contact
virulence factor for clostridium spp?
spores, exotoxins
what causes gas gangrene?
clostridium perfringens
reservoir of bacteroides spp?
GI tract
mode of transmission for bacteroides spp?
contact
spectrum of disease for bacteroides spp?
intra-abdominal abscesses
read the notes for comprehensive review
read the notes.
