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Medical Science Mcqs 5254 MCQs [All-Courses]

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Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

All Topics  5254

All of the following statements about cast cobalt alloy are true EXCEPT_____________?
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
Correct Answer: They have higher ductility than gold alloys
4th state of matter is______________?
A Solid
B Liquid
C Gas
D Colloid
Correct Answer: Colloid
All of the following statements about an alginate impression are EXCEPT________________?
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
Correct Answer: It may exhibit fluid exudates on the surface as a result of imbibition of water
Type I and Type II zinc oxide impression paste differ with respect to_______________?
A Their use
B Their hardness after setting
C Water content
D Eugenol content
Correct Answer: Their hardness after setting
The term given to the phenomenon of moisture absorption by an alginate impression in________________?
A Imbibition
B Syneresis
C Hysteresis
D Gelation
Correct Answer: Imbibition
The impression with the least dimensional change upon disinfection is_______________?
A Addition poly silicone
B Agar-agar
C Polysulphide
D Polyether
Correct Answer: Addition poly silicone
Palladium is added to polyvinyl siloxane to_____________?
A Act as a scavenger
B Helps as surfactant
C Acts as plasticizer
D Acts as a catalyst
Correct Answer: Act as a scavenger
Immediate pouring of impressions is most critical in_____________?
A Condensation polysillicon
B Addition Polysilicon
C Polyether
D A and B
Correct Answer: Condensation polysillicon
The impression material used to record the prepared areas on abutment teeth is______________?
A High viscosity elastomeric impression material
B Medium viscosity elastomeric impression material
C Low viscosity elastomeric impression material
D None of the above
Correct Answer: Low viscosity elastomeric impression material
Alginate impression material is________________?
A Non-elastic impression material
B Thermoplastic impression material
C More mucostatic than ZOE
D Less mucostatic than ZOE
Correct Answer: Less mucostatic than ZOE
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