NUCLEIC ACID STRUCTURE QUIZ

The most common cause of cystitis (after Escherichia coli) in healthy sexually active women is

Klebsiella pneumoniae

Pseudomonas aeruginosa

Proteus mirabilis

Staphylococcus saprophyticus

TRUE ANSWER : ?
YOUR ANSWER : ?

Coagulase-reacting factor is necessary for

tube coagulase test

precipitation test

slide coagulase test

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Bacteria which produces coagulase is

S epidermidis

S aureus

S saprophyticus

S hominis

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following Staphylococcal haemolysins does not possess leucocidal activity?

δ haemolysin

β haemolysin

α haemolysin

γ haemolysin

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following can be used to detect clumping factor?

tube coagulase test

precipitation test

none of these

slide coagulase test

TRUE ANSWER : ?
YOUR ANSWER : ?

Staphylococcal food poisoning usually manifests itself following ingestion of contaminated food after

12-18 hours

18-36 hours

2-6 hours

8-12 hours

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria which can ferment mannitol anaerobically is

Staphylococcus aureus

S saprophyticus

S epidermidis

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The toxin of Staphylococcus aureus that may result into scalded skin syndrome is

Leucocidin

Enterotoxin

Epidermolytic toxin

Haemolysin

TRUE ANSWER : ?
YOUR ANSWER : ?

Protein A is found in cell wall of

none of these

coagulase-negative staphylococci

Staphylococcus aureus

Micrococci

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria which is novobiocin resistant is

Staphylococcus aureus

S saprophyticus

S epidermidis

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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