cAMP reaction is shown by which streptococci ?

Related Mcqs:

1. All of the following lab tests can be used to distinguish streptococcus mutans from other oral streptococci, except______________?

   A. Gram staining
   B. Fermentation of mannitol and sorbital
   C. Production of intracellular and extracellular adherent polysacharide
   D. Colony morphology on saliva agar

2. The extra – cellular polysaccharide sythesized by cariogenic streptococci in the presence of excess sucrose are best described as_______________?

   A. Mucopolysaccharide
   B. Dextran-like glucan
   C. Glycogen – like glucan
   D. Amylopectin

3. Which of the following hormones act via cAMP ?

   A. Insulin
   B. Parathormone
   C. Vasopressin
   D. Adrenalin

4. Reynolds Braude phenomenon is shown by ___________________?

   A. Candida albicans
   B. Mucor
   C. Cryptococcus
   D. Aspergillus

5. Cytopathic effect is shown by_____________?

   A. Virus
   B. Bacteria
   C. Spirochete
   D. Anaerobe

6. Which one of the following drugs has been shown to offer protection from gastric aspiration syndrome in a patient with symptoms of reflex ?

   A. Ondansetron
   B. Metoclopramide
   C. Sodium citrate
   D. Atropine

7. Gastric secretion has been shown to be most effectively reduced with the use of___________?

   A. H1 histamine receptor antagonist
   B. H2 histamine receptor antagonist
   C. Adrenal steroids
   D. Anticholinergic

8. For uniform staining reaction, morphology and biochemical activity it is advisable to study bacterial cultures during the_____________?

   A. Lag phase
   B. Death phase
   C. Stationary phase
   D. Logarithmic phase

9. Nagglers reaction detects________________?

   A. Coagulase
   B. Hyaluronidase
   C. Lecithinase
   D. None of the above

10. Nagglers reaction is used in the diagnosis of______________?

    A. Malaria
    B. Whooping cough
    C. Gas gangrene
    D. Wool sorters disease