MICROBIOLOGY FINAL – TALARO
EXAM QUESTIONS & VERIFIED
CORRECT SOLUTIONS 100%
Staphylococcal aureus - description - Correct Answer ✔✔ Bacterium
Gram +
non motile
facultative-aerobe
round /cluster
Staphylococcal aureus - diagnosis - Correct Answer ✔✔ culture and sensitivity.
Staphylococcal aureus - virulence - Correct Answer ✔✔ hyaluronidase: destroy host
tissue
staphylokinase: digest blood clots
lipase: colonize oily skin
penicillinase: penicillin resistance
leukocidins: kill neutrophils and macrophages
hemolysins: lyse RBCs
enterotoxins: → gastroenteritis
exfoliative toxins: → skin peeling
Staphylococcal aureus - target infections - Correct Answer ✔✔ Skin infections and food
poisoning
Abscesses cellulitis, pneumonia, toxic shock syndrome, bacteremia., MRSA. Untreated
causes death.
Staphylococcal aureus - transmission - Correct Answer ✔✔ contact, open wound, skin,
fomites.
Staphylococcal aureus - treatment - Correct Answer ✔✔ penicillin
Streptococcus pyogenes - description - Correct Answer ✔✔ bacterium
Gram +
non motile
facultative-aerobe
spherical/chains
Endospores
capsules/slime layers.
Streptococcus pyogenes - diagnosis - Correct Answer ✔✔ Beta hemolytic in blood agar
test.
, Streptococcus pyogenes - virulence - Correct Answer ✔✔ hyaluronic acid capsule:
prevent immune response
slime layers: prevent phagocytosis
fimbriae: adherence
hemolysins: damage leukocytes
erythrogenic toxin: fever, bright red rash
Streptococcus pyogenes - target infections - Correct Answer ✔✔ Respiratory tract,
blood stream or skin.
Strep throat , scarlet fever, septecemia, toxic shock syndrome.Impetigo, necrotizing
fascitis (flesh eating bacteria).
Streptococcus pyogenes - transmission - Correct Answer ✔✔ contact
droplets
food
fomites
Streptococcus pyogenes - treatment - Correct Answer ✔✔ penicillin
erythromycin
cephalosporin
Streptococcus pneumonia - description - Correct Answer ✔✔ bacterium, non-motile,
facultative aerobe,
Gram +
cocci, diplococci, lancet, short chains
Streptococcus pneumonia - diagnosis - Correct Answer ✔✔ sputum, wbc's, count
Streptococcus pneumonia - virulence - Correct Answer ✔✔ thick capsule: prevent
phagocytosis
Streptococcus pneumonia - target infections - Correct Answer ✔✔ pneumonia,
meningitis
Lungs
→ sepsis, bacteremia, pleural effusion, lung abscess.
Streptococcus pneumonia- transmission - Correct Answer ✔✔ droplets, contact
Streptococcus pneumonia- treatment - Correct Answer ✔✔ penicillin,
cephalosporins.
sulfonamides,
quinolones,
Neisseria meningitidis - description - Correct Answer ✔✔ Bacterium
obligate parasite
EXAM QUESTIONS & VERIFIED
CORRECT SOLUTIONS 100%
Staphylococcal aureus - description - Correct Answer ✔✔ Bacterium
Gram +
non motile
facultative-aerobe
round /cluster
Staphylococcal aureus - diagnosis - Correct Answer ✔✔ culture and sensitivity.
Staphylococcal aureus - virulence - Correct Answer ✔✔ hyaluronidase: destroy host
tissue
staphylokinase: digest blood clots
lipase: colonize oily skin
penicillinase: penicillin resistance
leukocidins: kill neutrophils and macrophages
hemolysins: lyse RBCs
enterotoxins: → gastroenteritis
exfoliative toxins: → skin peeling
Staphylococcal aureus - target infections - Correct Answer ✔✔ Skin infections and food
poisoning
Abscesses cellulitis, pneumonia, toxic shock syndrome, bacteremia., MRSA. Untreated
causes death.
Staphylococcal aureus - transmission - Correct Answer ✔✔ contact, open wound, skin,
fomites.
Staphylococcal aureus - treatment - Correct Answer ✔✔ penicillin
Streptococcus pyogenes - description - Correct Answer ✔✔ bacterium
Gram +
non motile
facultative-aerobe
spherical/chains
Endospores
capsules/slime layers.
Streptococcus pyogenes - diagnosis - Correct Answer ✔✔ Beta hemolytic in blood agar
test.
, Streptococcus pyogenes - virulence - Correct Answer ✔✔ hyaluronic acid capsule:
prevent immune response
slime layers: prevent phagocytosis
fimbriae: adherence
hemolysins: damage leukocytes
erythrogenic toxin: fever, bright red rash
Streptococcus pyogenes - target infections - Correct Answer ✔✔ Respiratory tract,
blood stream or skin.
Strep throat , scarlet fever, septecemia, toxic shock syndrome.Impetigo, necrotizing
fascitis (flesh eating bacteria).
Streptococcus pyogenes - transmission - Correct Answer ✔✔ contact
droplets
food
fomites
Streptococcus pyogenes - treatment - Correct Answer ✔✔ penicillin
erythromycin
cephalosporin
Streptococcus pneumonia - description - Correct Answer ✔✔ bacterium, non-motile,
facultative aerobe,
Gram +
cocci, diplococci, lancet, short chains
Streptococcus pneumonia - diagnosis - Correct Answer ✔✔ sputum, wbc's, count
Streptococcus pneumonia - virulence - Correct Answer ✔✔ thick capsule: prevent
phagocytosis
Streptococcus pneumonia - target infections - Correct Answer ✔✔ pneumonia,
meningitis
Lungs
→ sepsis, bacteremia, pleural effusion, lung abscess.
Streptococcus pneumonia- transmission - Correct Answer ✔✔ droplets, contact
Streptococcus pneumonia- treatment - Correct Answer ✔✔ penicillin,
cephalosporins.
sulfonamides,
quinolones,
Neisseria meningitidis - description - Correct Answer ✔✔ Bacterium
obligate parasite
