STREPTOCOCCUS QUIZ

The bacteria involved in the production of dental caries is/are

Streptococcus pyogenes

Both (a) and (b)

S sanguis

Streptococcus mutans

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacterial sore throat is caused by

Mycoplasma pneumoniae

Streptococcus pyogenes

Haemophilus spp

Staphylococcus aureus

TRUE ANSWER : ?
YOUR ANSWER : ?

Crystal violet blood agar is a selective medium for

Corynebacterium diphtheriae

Mycobacterium tuberculosis

β-haemolytic streptococci

Staphylococcus aureus

TRUE ANSWER : ?
YOUR ANSWER : ?

Streptolysin O is

all of these

antigenic

oxygen-labile

heat-labile

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following cross-reacts with cell wall carbohydrate of Streptococcus pyogenes?

Myocardium

Synovial fluid

Cardiac valves

Vascular intima

TRUE ANSWER : ?
YOUR ANSWER : ?

Streptococcus pyogenes can be differentiated from other haemolytic Streptococci on the basis of

Bacitracin sensitivity

Aminoglycosides sensitivity

Penicillin sensitivity

Erythromycin sensitivity

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following test indicates the susceptibility to streptococcal pyrogenic exotoxin?

Schick test

Precipitation test

Disk test

ASO test

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following condition is non-suppurative sequelae of Streptococcus pyogenes infections?

All of these

Acute rheumatic fever

Erythema nodosum

Acute glomerulonephritis

TRUE ANSWER : ?
YOUR ANSWER : ?

Cell wall protein of Streptococcus pyogenes crossreacts with human

myocardium

synovial fluid

vascular intima

cardiac valves

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following test(s) may establish retrospective diagnosis of streptococcal infection?

All of these

Anti-DNase B test

ASO test

Streptozyme test

TRUE ANSWER : ?
YOUR ANSWER : ?

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