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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

The water powder ratio of alginate is______________?
A 100 ml of water to 60 gms of powder
B 40 ml of water to 40 gms of powder
C 40 ml of water to 15 gms of powder
D 15 ml of water to 40 gms of powder
Correct Answer: 40 ml of water to 15 gms of powder
Best impression material to be used for securing impression after crown preparation_______________?
A Alginate
B Agar
C Elastome
D Zno paste
Correct Answer: Elastome
Which of the following is correct glass transition temperature of Impression compound ?
A 43.5°C
B 39°C
C 65°C
D 100°C
Correct Answer: 39°C
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
Correct Answer: Due to improper ratio of polymer and monomer
The function of the coupling agent in a restorative resin is to allow______________?
A Adhesion of resin particles
B Bonding between filler crystals
C Bonding between filler and resin
D Bonding between tooth and resin
Correct Answer: Bonding between tooth and resin
Which of the following constituents is common in occlusal sealants, bonding agents, composite resins ?
A BIS GMA
B Polymethyl methacrylate
C Benzoin methyl ether
D Silica filter
Correct Answer: BIS GMA
The most important disadvantage of acrylic denture base is_______________?
A porosity
B Shrinkage
C Tooth breakage
D Water absorption
Correct Answer: Shrinkage
Radio opacity to composite resins is rendered by_______________?
A Silica glass
B Organic matrix
C Barium glass and strontium glasses
D Fluoride particles
Correct Answer: Barium glass and strontium glasses
Acrylic (cold cure)______________?
A Melts at 100°C
B Softens at 100°C
C Still requires heat for polymerization
D Produces heat during polymerization
Correct Answer: Produces heat during polymerization
Use of dimethyl-P-toluidine is indicated for_______________?
A Thermal polymerization of acrylic
B Chemical polymerization
C Retarding the polymerization reaction
D To inhibit the action of benzoyl peroxide
Correct Answer: Chemical polymerization
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