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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

Most biocompatible material in oral cavity is_______________?
A Platinium
B Palladium
C Titanium
D Gold
Correct Answer: Titanium
Which of the waxes are derived from the lignite_________________?
A Paraffin wax
B Inlay wax
C Microcrystalline wax
D Montan wax
Correct Answer: Montan wax
Silver plated dyes use an electrolytic bath of_______________?
A Silver fluorides
B Silver cyanide
C Silver bromide
D Silver iodide
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
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
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
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
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
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
Correct Answer: Carbon
Binder used in Gypsum investment is_________________?
A Silica
B Quartz
C Cristobolite
D Calcium sulphate monohydrate
Correct Answer: Calcium sulphate monohydrate
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