Staplylococcus problems
- 1. Staphylococcal food poisoning usually manifests itself following ingestion of contaminated food after
Options- A. 2-6 hours
- B. 8-12 hours
- C. 12-18 hours
- D. 18-36 hours Discuss
Correct Answer: 2-6 hours
- 2. Bacteria which produces coagulase is
Options- A. S epidermidis
- B. S saprophyticus
- C. S aureus
- D. S hominis Discuss
Correct Answer: S aureus
- 3. The most common cause of cystitis (after Escherichia coli) in healthy sexually active women is
Options- A. Staphylococcus saprophyticus
- B. Proteus mirabilis
- C. Pseudomonas aeruginosa
- D. Klebsiella pneumoniae Discuss
Correct Answer: Staphylococcus saprophyticus
- 4. The bacteria which is novobiocin resistant is
Options- A. Staphylococcus aureus
- B. S epidermidis
- C. S saprophyticus
- D. None of these Discuss
Correct Answer: S saprophyticus
- 5. Which of the following Staphylococcal haemolysins does not cause lysis of human RBCs?
Options- A. ? haemolysin
- B. ? haemolysin
- C. ? haemolysin
- D. ? haemolysin Discuss
Correct Answer: ? haemolysin
- 6. Protein A is found in cell wall of
Options- A. coagulase-negative staphylococci
- B. Staphylococcus aureus
- C. Micrococci
- D. none of these Discuss
Correct Answer: Staphylococcus aureus
- 7. The bacteria which can ferment mannitol anaerobically is
Options- A. Staphylococcus aureus
- B. S epidermidis
- C. S saprophyticus
- D. None of these Discuss
Correct Answer: Staphylococcus aureus
- 8. Which of the following Staphylococcal haemolysins does not possess leucocidal activity?
Options- A. ? haemolysin
- B. ? haemolysin
- C. ? haemolysin
- D. ? haemolysin Discuss
Correct Answer: ? haemolysin
- 9. Which of the following can be used to detect clumping factor?
Options- A. tube coagulase test
- B. slide coagulase test
- C. precipitation test
- D. none of these Discuss
Correct Answer: slide coagulase test
- 10. The toxin of Staphylococcus aureus that may result into scalded skin syndrome is
Options- A. Enterotoxin
- B. Leucocidin
- C. Epidermolytic toxin
- D. Haemolysin Discuss
Correct Answer: Epidermolytic toxin
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