CVS
Microbiology
MCQ’s
, Infective endocarditis
&
Rheumatic Fever
1. Classification of Streptococci depends on:
a) CO2 requirements.
b) Biochemical activity.
c) Hemolytic activity.
d) Toxin production.
2. The Lancefield groups of hemolytic Streptococci determined by the
type of:
a) Fibrinolysin.
b) Erythrogenic toxin.
c) M protein.
d) Cell wall carbohydrate antigen.
3. Which of the following organisms most commonly causes subacute
bacterial endocarditis?
a. Staphylococcus aureus
b. Staphylococcus saprophyticus
c. Streptococcus pyogenes
d. Streptococcus viridans
4. Which of the following organisms most commonly causes acute
bacterial endocarditis?
a. Staphylococcus aureus
b. Staphylococcus saprophyticus
c. Enterococci
d. Streptococcus viridans
Microbiology
MCQ’s
, Infective endocarditis
&
Rheumatic Fever
1. Classification of Streptococci depends on:
a) CO2 requirements.
b) Biochemical activity.
c) Hemolytic activity.
d) Toxin production.
2. The Lancefield groups of hemolytic Streptococci determined by the
type of:
a) Fibrinolysin.
b) Erythrogenic toxin.
c) M protein.
d) Cell wall carbohydrate antigen.
3. Which of the following organisms most commonly causes subacute
bacterial endocarditis?
a. Staphylococcus aureus
b. Staphylococcus saprophyticus
c. Streptococcus pyogenes
d. Streptococcus viridans
4. Which of the following organisms most commonly causes acute
bacterial endocarditis?
a. Staphylococcus aureus
b. Staphylococcus saprophyticus
c. Enterococci
d. Streptococcus viridans
