Medical Science Mcqs 5254 MCQs [All-Courses]

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

Percentage of tin in low copper alloy is______________?

A 30-35%

B 26-28%

C 13-32%

D 22-30%

Review Detailed Answer

Correct Answer: 26-28%

Cause of expansion in zinc containing amalgam is_____________?

A Zinc and water

B Water

C Hydrogen

D Nascent oxygen

Review Detailed Answer

Correct Answer: Hydrogen

What is common in amalgam and ceramics ?

A More compressive strength but less tensile strength

B More compressive strength and tensile strength

C Less compressive strength but more tensile strength

D Less compressive strength and tensile strength

Review Detailed Answer

Correct Answer: More compressive strength and tensile strength

Which of the following constituents of amalgam alloy decreases expansion____________?

A Copper

B Zinc

C Silver

D Tin

Review Detailed Answer

Correct Answer: Tin

Impression compound is characterized by all of the following except_______________?

A Warps at room temperature

B Is a thermoset material

C Shows increased flow when kneaded with water

D Low coefficient of thermal conductivity

Review Detailed Answer

Correct Answer: Is a thermoset material

Rapid removal of rubber impression with a single firm motion results in____________________?

A Reduced dimensional instability

B Improved adhesion of the impression to the tray

C Minimal permanent deformation

D Reduced contamination by saliva

Review Detailed Answer

Correct Answer: Minimal permanent deformation

Which of the following impression material is rigid ?

A Zinc oxide-eugenol

B Reversible hydrocolloid

C Alginate

D Polysulphide rubber

Review Detailed Answer

Correct Answer: Zinc oxide-eugenol

Elastomers except: Polyether are_______________?

A Hydrophilic

B Hydrophobic

C Water loving impression materials

D Potassium alginates

Review Detailed Answer

Correct Answer: Hydrophobic

Hardening solutions are used with impression made of________________?

A Hydrocolloid

B Impression compound

C Elastomer

D Zinc oxide eugenol

Review Detailed Answer

Correct Answer: Hydrocolloid

Alginate impression material is similar to Agar-agar impression material in the following respect________________?

A Gelation increase in both on increase in temperature

B Mixing time is increased to reduce the setting time

C Deformation during removal of impression occurs due to distortion of gel fibers

D Both can be re-used for fresh impressions

Review Detailed Answer

Correct Answer: Deformation during removal of impression occurs due to distortion of gel fibers

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Percentage of tin in low copper alloy is______________?

Cause of expansion in zinc containing amalgam is_____________?

What is common in amalgam and ceramics ?

Which of the following constituents of amalgam alloy decreases expansion____________?

Impression compound is characterized by all of the following except_______________?

Rapid removal of rubber impression with a single firm motion results in____________________?

Which of the following impression material is rigid ?

Elastomers except: Polyether are_______________?

Hardening solutions are used with impression made of________________?

Alginate impression material is similar to Agar-agar impression material in the following respect________________?