Medical MCQs

A. High viscosity elastomeric impression material
B. Medium viscosity elastomeric impression material
C. Low viscosity elastomeric impression material
D. None of the above

A. Condensation polysillicon
B. Addition polysilicon
C. Polyether
D. A and b

A. Act as a scavenger
B. Helps as surfactant
C. Acts as plasticizer
D. Acts as a catalyst

A. Addition poly silicone
B. Agar-agar
C. Polysulphide
D. Polyether

A. Imbibition
B. Syneresis
C. Hysteresis
D. Gelation

A. Their use
B. Their hardness after setting
C. Water content
D. Eugenol content

A. It should be rapidly displaced from the mouth
B. It may exhibit fluid exudates on the surface as a result of imbibition of water
C. It will take up water and expand if kept wet
D. It will shrink as a result of syneresis

A. Solid
B. Liquid
C. Gas
D. Colloid

A. They have a modulus of elasticity twice that of gold alloys
B. They are more rigid than gold alloys
C. They have higher ductility than gold alloys
D. They have a lower proportional limit than gold alloys

A. Impression plaster
B. Impression paste
C. Alginate
D. Rubber base impression material