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MCQs

Total Questions : 17 | Page 1 of 2 pages
Question 1. The bacteria, used to examine the efficacy of autoclave, is
  1.    Bacillus stearothermophilus
  2.    B polymyxa
  3.    B brevis
  4.    B megaterium
 Discuss Question
Answer: Option A. -> Bacillus stearothermophilus
Question 2. The test(s) which can be used to differentiate anthrax bacilli from anthracoid bacilli is/are
  1.    presence of capsule
  2.    all of these
  3.    presence of medusa-head colony
  4.    susceptibility to gamma phage
 Discuss Question
Answer: Option B. -> all of these
Question 3. McFadyean's reaction is employed for the presumptive diagnosis of
  1.    all of these
  2.    tetanus
  3.    anthrax
  4.    typhoid
 Discuss Question
Answer: Option C. -> anthrax
Question 4. Antibodies to which of the following antigens of Bacillus anthracis are protective?
  1.    None of these
  2.    Capsular polypeptide
  3.    Somatic polysaccharide
  4.    Anthrax toxin
 Discuss Question
Answer: Option D. -> Anthrax toxin
Question 5. Medusa head appearance of the colonies may be due to
  1.    Pseudomonas aeruginosa
  2.    Proteus mirabilis
  3.    Clostridium tetani
  4.    Bacillus anthracis
 Discuss Question
Answer: Option D. -> Bacillus anthracis
Question 6. Food most often associated with emetic type of food poisoning caused by Bacillus cereus, is
  1.    Milk
  2.    Eggs
  3.    Meat
  4.    Rice
 Discuss Question
Answer: Option D. -> Rice
Question 7. Koch's postulates were satisfied for the first time with
  1.    Clostridium tetani
  2.    Corynebacterium diphtheriae
  3.    Salmonella typhi
  4.    Bacillus anthracis
 Discuss Question
Answer: Option D. -> Bacillus anthracis
Question 8. Ascoli's thermoprecipition test helps in confirming the laboratory diagnosis of
  1.    typhoid
  2.    anthrax
  3.    tetanus
  4.    cholera
 Discuss Question
Answer: Option B. -> anthrax
Question 9.  McFadyean's reaction is employed for the presumptive diagnosis of
  1.    anthrax
  2.    tetanus
  3.    typhoid
  4.    all of these
 Discuss Question
Answer: Option A. -> anthrax
Question 10.  Antibodies to which of the following antigens of Bacillus anthracis are protective?
  1.    Capsular polypeptide
  2.    Somatic polysaccharide
  3.    Anthrax toxin
  4.    None of these
 Discuss Question
Answer: Option C. -> Anthrax toxin

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