A. Not waiting for 20 min before pouring
B. High speed accelerator
C. Air incorporation in the mix
D. All of the above
Related Mcqs:
- Rough and irregular surface produced on the impression is because of ?
A. Improper application of pressure during impression making
B. Air incorporated during mixing
C. Too rapid polymerization
D. Presence of moisture in impression area - Rough surface of elastomeric impression results from_______________?
A. Inadequate mixing
B. Air bubbles
C. Too rapid polymerization
D. Incomplete polymerization caused by premature removal from mouth - Rough and irregular surface produced on the impression is because of_______________?
A. Air incorporated during mixing
B. Improper application of pressure during impression making
C. Presence of excessive saliva in impression area
D. Due to improper ratio of polymer and monomer - White rough pedunculated lesion on palate is most likely_______________?
A. Pleomorphic adenoma
B. Papilloma
C. Nevus
D. Fibroma - Fins and spines on the casting is seen due to_______________?
A. Prolonged heating:
B. Rapid heating me
C. Water film contamination
D. Too high pressure during casting - Porosity of denture base is due to_______________?
A. Packing at dough stage
B. Curing at 160°F for 9 hrs
C. Inadequate pressure
D. All of the above - Contraceptive action of combined pill is mainly due to_______________?
A. Decrease in tubal motility
B. Prevents the fertilization
C. Prevents the implantation of fertilized egg
D. Inhibits ovulation - Delayed tuberculin test response is due to_______________?
A. B lymphocytes
B. T lymphocytes
C. Monocytes
D. Histiocytes - Edema is due to_______________?
A. Increased albumin in blood and decreased globin
B. Decreased albumin conc. in blood
C. Increased osmotic pressure
D. None of the above - The increase in the size of left kidney following the removal of right kidney (vicarious hypertrophy) is due to_______________?
A. Hyperplasia
B. Hypertrophy
C. Both of the above
D. None of the above