STAPLYLOCOCCUS QUIZ

Which of the following Staphylococcal haemolysins does not cause lysis of human RBCs?

γ haemolysin

β haemolysin

δ haemolysin

α haemolysin

TRUE ANSWER : ?
YOUR ANSWER : ?

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

slide coagulase test

tube coagulase test

precipitation test

none of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Coagulase-reacting factor is necessary for

precipitation test

none of these

slide coagulase test

tube coagulase test

TRUE ANSWER : ?
YOUR ANSWER : ?

Identify the bacteria which is oxidase-negative and catalase-positive?

Streptococcus

Staphylococcus

Pseudomonas

Neisseria

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Pseudomonas aeruginosa

Klebsiella pneumoniae

Proteus mirabilis

Staphylococcus saprophyticus

TRUE ANSWER : ?
YOUR ANSWER : ?

The genus/genera that belongs to the family Micrococcaceae is

Planococcus

Staphylococcus

All of these

Micrococcus

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Leucocidin

Enterotoxin

Haemolysin

Epidermolytic toxin

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria which are inhibited on crystal violet (1:500,000) blood agar, is/are

Both (a) and (b)

None of these

Streptococci

Staphylococci

TRUE ANSWER : ?
YOUR ANSWER : ?

The bacteria which is novobiocin resistant is

Staphylococcus aureus

S saprophyticus

S epidermidis

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

2-6 hours

8-12 hours

18-36 hours

12-18 hours

TRUE ANSWER : ?
YOUR ANSWER : ?

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