Residual monomer content of chemically activated resins is______________?

Related Mcqs:

1. In heat cure denture base acrylic resins the monomer is___________?

   1. Methacrylate
   2. Ethylmethacrylate
   3. Methyl ethyl methacrylate
   4. Polymethylmethacrylate

2. All of the following statements about the differences between self-polymerizing acrylic resins and heat-cured resins are true EXCEPT______________?

   A. The former have a lower molecular weight
   B. The former have higher residual monomer content
   C. The former are more porous
   D. The former have greater transverse strength

3. Amalgam restorations give the best clinical service when the residual mercury content is_______________?

   A. 38-42%
   B. 48-52%
   C. 58-62%
   D. 68-72%

4. The % of free monomer in a heat – cured acrylic resin is_______________?

   A. 3% to 5%
   B. 8% to 10%
   C. 0.2% to 0.5%
   D. 0.6% to 0.8%

5. The accepted polymer to monomer ratio for packing of polymethyl methacrylate resin is____________?

   A. 3:1
   B. 4:1
   C. 10:1
   D. 5:1

6. Which of the following may result if an excessive amount of monomer is incorporated into an acrylic resin mixture ?

   A. Excessive expansion
   B. Low impact strength
   C. Excessive shrinkage
   D. Excessive brittleness

7. Pepsinogen is activated by ___________________ ?

   A. Enterokinase
   B. Low pH
   C. Trypsin
   D. Chymotrypsin

8. The enzyme phosphofructo kinase-1 is strongly activated by_______________?

   A. Cyclic AMP
   B. Adenosine tri phosphate
   C. Citrate
   D. Fructose 2,6 bis phosphate

9. The type of immunity activated in tuberculosis is____________?

   A. Cell mediated
   B. Humoral
   C. Foreign body reaction
   D. None of the above

10. Which of the following receptors is activated by acetylcholine and blocked by atropine______________?

    A. Nicotinic
    B. Muscarinic
    C. Alpha 1 and 2
    D. Beta 1 and 2