Discussion
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- Question
Crystal violet blood agar is a selective medium for
Options- A. ?-haemolytic streptococci
- B. Staphylococcus aureus
- C. Corynebacterium diphtheriae
- D. Mycobacterium tuberculosis
- Correct Answer
- ?-haemolytic streptococci
- 1. Streptococcus pyogenes can be differentiated from other haemolytic Streptococci on the basis of
Options- A. Bacitracin sensitivity
- B. Erythromycin sensitivity
- C. Aminoglycosides sensitivity
- D. Penicillin sensitivity Discuss
- 2. Which of the following test indicates the susceptibility to streptococcal pyrogenic exotoxin?
Options- A. Schick test
- B. Disk test
- C. ASO test
- D. Precipitation test Discuss
- 3. The bacteria involved in the production of dental caries is/are
Options- A. Streptococcus mutans
- B. S sanguis
- C. Both (a) and (b)
- D. Streptococcus pyogenes Discuss
- 4. Which of the following test(s) may establish retrospective diagnosis of streptococcal infection?
Options- A. Anti-DNase B test
- B. ASO test
- C. Streptozyme test
- D. All of these Discuss
- 5. Which of the following condition is non-suppurative sequelae of Streptococcus pyogenes infections?
Options- A. Acute rheumatic fever
- B. Acute glomerulonephritis
- C. Erythema nodosum
- D. All of these Discuss
- 6. Reddening of meat in cooked meat broth is produced by
Options- A. C tetani
- B. C histolyticum
- C. Clostridium perfringens
- D. C sporogenes Discuss
- 7. Typical drumstick appearance of bacilli is generally seen in
Options- A. C perfringens
- B. C botulinum
- C. C tetani
- D. C histolyticum Discuss
- 8. Which of the following properties are the characteristics of tetanospasmin?
Options- A. It is a heat-labile protein
- B. It is a neurotoxin
- C. It can be toxoided
- D. All of these Discuss
- 9. Which of the following is predominantly proteolytic?
Options- A. C. sporogenes
- B. C. histolyticum
- C. Both (a) and (b)
- D. C. speticum Discuss
- 10. Which of the following types of Clostridium perfringens produces alpha toxin most abundantly?
Options- A. Type A
- B. Type B
- C. Type C
- D. Type D Discuss
Streptococcus problems
Search Results
Correct Answer: Bacitracin sensitivity
Correct Answer: Disk test
Correct Answer: Both (a) and (b)
Correct Answer: All of these
Correct Answer: All of these
Correct Answer: Clostridium perfringens
Correct Answer: C tetani
Correct Answer: All of these
Correct Answer: Both (a) and (b)
Correct Answer: Type A
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