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.

Which one of the following categories of dental materials has the highest thermal conductivity_________________?

A Unfilled acrylic plastics

B Gold alloys

C Porcelains

D Zinc phosphate cements

Review Detailed Answer

Correct Answer: Gold alloys

Most biocompatible material in oral cavity is_______________?

A Platinium

B Palladium

C Titanium

D Gold

Review Detailed Answer

Correct Answer: Titanium

Which of the waxes are derived from the lignite_________________?

A Paraffin wax

B Inlay wax

C Microcrystalline wax

D Montan wax

Review Detailed Answer

Correct Answer: Montan wax

Silver plated dyes use an electrolytic bath of_______________?

A Silver fluorides

B Silver cyanide

C Silver bromide

D Silver iodide

Review Detailed Answer

Correct Answer: Silver cyanide

Suck back porosity is due to_________________?

A Attached impurities on undersurface of casting

B Hot spot

C No rapid cooling

D Inadequate melting temperature

Review Detailed Answer

Correct Answer: Hot spot

Air bubbles formed on the surface of casting is probably due to________________?

A Improper casting pressure

B Improper heating of the investment

C Improper angulation of sprue

D Improper wetting of the wax pattern by the investment

Review Detailed Answer

Correct Answer: Improper wetting of the wax pattern by the investment

Asbestos liner is used in a casting ring to________________?

A Facilitate venting of the mold

B Retard the heating of the investment

C Permit expansion of the world

D All of the above

Review Detailed Answer

Correct Answer: Permit expansion of the world

Which of the following decrease with strain hardening______________?

A Surface hardness

B Strength

C Proportion limit

D Corrosion resistance

Review Detailed Answer

Correct Answer: Corrosion resistance

Suck back porosity in the casting can be eliminated by________________?

A Increasing the mould metal temperature difference

B Increasing the flow of molten metal

C Flaring the point of the sprue attachment

D All of the above

Review Detailed Answer

Correct Answer: Flaring the point of the sprue attachment

The component in very minor quantity in stainless steel that changes the properties to a maximum level is____________?

A Carbon

B Molybdenum

C Chromium

D Nickel

Review Detailed Answer

Correct Answer: Carbon

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Which one of the following categories of dental materials has the highest thermal conductivity_________________?

Most biocompatible material in oral cavity is_______________?

Which of the waxes are derived from the lignite_________________?

Silver plated dyes use an electrolytic bath of_______________?

Suck back porosity is due to_________________?

Air bubbles formed on the surface of casting is probably due to________________?

Asbestos liner is used in a casting ring to________________?

Which of the following decrease with strain hardening______________?

Suck back porosity in the casting can be eliminated by________________?

The component in very minor quantity in stainless steel that changes the properties to a maximum level is____________?