Lancefields classification of B hemolytic streptococcus is based on______________?

Related Mcqs:

1. Streptococcus is classified based on__________________?

   A. M Protein
   B. Cultural characteristics
   C. Bile Solubility
   D. Cell wall carbohydrate

2. Group A B-hemolytic streptococcal infection of the pharynx may be followed in some by_____________?

   A. Diphtheria
   B. Typhoid fever
   C. Rheumatic fever
   D. Syphilis

3. The virus which causes Aplastic anemia in chronic hemolytic disease is_______________?

   A. Adeno
   B. Hepatitis
   C. EB virus
   D. Parvo virus

4. Which of the following is a hemolytic anemia________________?

   A. Sickle cell anemia
   B. Thalassemia
   C. Hereditary spherocytosis
   D. All of the above

5. All of the following are true of streptococcus except_____________?

   A. It’s group of lactic acid production bacteria
   B. Shows adherence to dental enamel
   C. Most common in humans
   D. Most common is animals

6. Pneumococus can be differentiated from streptococcus by________________?

   A. Type of hemolysis
   B. Gram staining
   C. Growth characteristics
   D. Bile solubility

7. 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

8. The enzyme glucosyl transferase secreted by Streptococcus mutans sythesizes glucans from_____________?

   A. Glucose
   B. Fructose
   C. Sucrose
   D. Lactose

9. Initiation of caries by streptococcus mutans is by the production of______________?

   A. Dextranase and soluble dextran
   B. Insoluble dextan and glucosyl transferase
   C. soluble dextan and glucosyl transferase
   D. None of the above

10. Streptococcus mutans produces an adhesive polymer from sucrose, known as:__________?

    A. Levans
    B. Lectins
    C. Glucans
    D. Polyfructans