6. The coagulase-reacting factor is necessary for
A. slide coagulase test
B. tube coagulase test
C. precipitation test
D. none of these
7. Bacteria which produces coagulase is
A. S epidermidis
B. S saprophyticus
C. S aureus
D. S hominis
8. Staphylococcal food poisoning usually manifests itself following ingestion of contaminated food after
A. 2-6 hours
B. 8-12 hours
C. 12-18 hours
D. 18-36 hours
9. Which of the following Staphylococcal hemolysins does not cause lysis of human RBCs?
A. β hemolysin
B. γ hemolysin
C. α hemolysin
D. δ hemolysin
10. The toxin of Staphylococcus aureus that may result into scalded skin syndrome is
A. Enterotoxin
B. Leucocidin
C. Epidermolytic toxin
D. Haemolysin