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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

Impression material that Do NOT harden by chemical reaction_______________?
A Zinc oxide eugenol
B Impression compound
C Alginate
D Plaster of paris
Correct Answer: Impression compound
Putty wash technique_________________?
A Light body and putty used at the same time
B Putty used first and light body used second
C Light body first and putty later
D None of the above
Correct Answer: Putty used first and light body used second
What is the minimum thickness of the elastomeric impression material for an accurate impression_______________?
A 2 mm
B 2-4 mm
C Greater than 3 mm
D Maximum in the area of operation
Correct Answer: Maximum in the area of operation
The relative hardness of elastomere is determined using________________?
A Rockwell tester
B Barcol indenter
C Knoop pyramid
D Shore durometer
Correct Answer: Shore durometer
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
Correct Answer: Incomplete polymerization caused by premature removal from mouth
Most rigid elastomer is___________________?
A Polyether
B Polysulphide
C Addition silicone
D Condensation silicone
Correct Answer: Polyether
Most ideally elastic among the following_______________?
A Polyether
B Addition silicone
C Polysulphide
D Condensation silicone
Correct Answer: Addition silicone
Which one of the following impression materials is elastic, sets by a chemical reaction and is catalyzed by chloroplatinic acid_______________?
A Condensation silicone
B Polyether
C Polysulfide
D Poly vinyl siloxane
Correct Answer: Poly vinyl siloxane
Which of the following best describes the working time of elastomeric impression material ?
A After the start of appearing elastic properties of impression material
B Just after the start of appearing elastic properties of impression material
C Just before the start of appearing elastic properties of impression material
D Loss of luster of impression material
Correct Answer: Just before the start of appearing elastic properties of impression material
Final product in alginate is________________?
A Sodium alginate
B Potassium alginate
C Trisodium phosphate
D Calcium alginate
Correct Answer: Calcium alginate
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