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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.

Apart from composites and ceramics, another material that could be copy milled easily and inexpensively is_________________?

A Molybdenum

B Germanium

C Titanium

D Chromium

Review Detailed Answer

Correct Answer: Titanium

Austenite is an alloy of iron of and carbon with the iron in______________?

A Alpha form

B Beta form

C Gamma form

D None of the above

Review Detailed Answer

Correct Answer: Gamma form

Which zone is the hottest and efficient burning zone of the flame used for casting ?

A Oxidizing zone

B Reducing zone

C Combustion zone

D None of the above

Review Detailed Answer

Correct Answer: Oxidizing zone

Localised shrinkage porosity is seen when there________________?

A Thin sprue

B No reservoir

C Investment heated strongly

D Inadequate air discharge

Review Detailed Answer

Correct Answer: Thin sprue

Sub surface porosity can be decreased by_______________?

A Decreasing the sprue length

B Decreasing the sprue thickness

C Increasing the melting temperature

D Increasing the mould temperature

Review Detailed Answer

Correct Answer: Decreasing the sprue thickness

The inlay wax most commonly used for direct technique_____________________?

A Type 1

B Type 2

C Type 3

D Type 4

Review Detailed Answer

Correct Answer: Type 1

The purity of gold is expressed in________________?

A Carats

B Percentage

C Fineness

D Gram

Review Detailed Answer

Correct Answer: Fineness

In a metal ceramic crown for a FPD the function of tin, indium which are readily oxidized minor constituents is to________________?

A Improve bonding

B Decrease porosity

C They react with the porcelain opaque layer, which masks the metal

D Improves the thermal expansion between the metal and porcelain

Review Detailed Answer

Correct Answer: Improve bonding

Investment material used for cobalt-chromium alloys is_____________?

A Gypsum bonded

B Phosphate bonded

C Silica bonded

D None of the above

Review Detailed Answer

Correct Answer: Phosphate bonded

Silica sol__________________?

A Is applied to the walls of the investment to produce hygroscopic expansion

B Increase the strength and the setting expansion of the phosphate-bonded investment

C Acts as a retarder in the silica bonded investments

D Acts as a refractory in the Silica bonded investments

Review Detailed Answer

Correct Answer: Increase the strength and the setting expansion of the phosphate-bonded investment

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Apart from composites and ceramics, another material that could be copy milled easily and inexpensively is_________________?

Austenite is an alloy of iron of and carbon with the iron in______________?

Which zone is the hottest and efficient burning zone of the flame used for casting ?

Localised shrinkage porosity is seen when there________________?

Sub surface porosity can be decreased by_______________?

The inlay wax most commonly used for direct technique_____________________?

The purity of gold is expressed in________________?

In a metal ceramic crown for a FPD the function of tin, indium which are readily oxidized minor constituents is to________________?

Investment material used for cobalt-chromium alloys is_____________?

Silica sol__________________?