Spirochacter and Enterobacteriaceac problems
- 1. Example of the pathogenic bacteria is/are
Options- A. L biflexa
- B. Lparva
- C. Leptospira interrogans
- D. All of these Discuss
Correct Answer: Leptospira interrogans
- 2. Dysentery may be caused by
Options- A. enteropathogenic Escherichia coli
- B. enteroinvasive E. coli
- C. enterotoxigenic E. coli
- D. verotoxigenic E. coli Discuss
Correct Answer: enterotoxigenic E. coli
- 3. In Widal test the significant titres for H agglutinins is
Options- A. 1:50 or more
- B. 1:100 ormore
- C. 1:200 or more
- D. 1:400 or more Discuss
Correct Answer: 1:200 or more
- 4. Primarily human pathogenic bacteria is/are ,
Options- A. Salmonella typhi
- B. S paratyphi A
- C. S paratyphi B
- D. all of these Discuss
Correct Answer: all of these
- 5. Heat-stable enterotoxin of Escherichia coli activates
Options- A. adenylate cyclase
- B. guanylate cyclase
- C. both of the above
- D. none of these Discuss
Correct Answer: guanylate cyclase
- 6. Heat-labile enterotoxin of Escherichia coli activates
Options- A. guanylate cyclase
- B. adenylate cyclase
- C. both (a) and (b)
- D. none of these Discuss
Correct Answer: adenylate cyclase
- 7. Which of the following species/subspecies of Klebsiella produce indole?
Options- A. K pneumoniae subspecies rhinoscleromatis
- B. K pneumoniae subspecies aerogenes
- C. K pneumoniae subspecies pneumoniae
- D. K oxytoca Discuss
Correct Answer: K oxytoca
- 8. Which of the following disease is caused by Yersinia enterocolitica in man?
Options- A. Gastroenteritis
- B. Mesenteric lymphadenitis
- C. Septicaemia
- D. All of these Discuss
Correct Answer: All of these
- 9. Enterobacter can be differentiated from Klebsiella by
Options- A. ornithine positivity
- B. motility
- C. both (a) and (b)
- D. none of these Discuss
Correct Answer: both (a) and (b)
- 10. Which of the following bacteria is/are known as coliform bacilli?
Options- A. Escherichia
- B. Klebsiella
- C. Enterobacter
- D. All of these Discuss
Correct Answer: All of these
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