M C Q s D r i v e

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.

Passivating alloys are_______________?

A Cr, Al, Ti
B Cr, Mo, Ti
C Cr, Gold, Ti
D Cr, Fe, Ti
Correct Answer: Cr, Al, Ti

Waxes are used for_______________?

A Primary impression
B Corrective impressions
C Impression of single tooth
D None of the above
Correct Answer: Corrective impressions

A common electrolyte used for plating copper indirect dies is_______________?

A Copper cynide
B Ionic copper
C Acidic copper sulfate
D Silver cyanide
Correct Answer: Acidic copper sulfate

Stainless steel is used mostly in dentistry_________________?

A To strength amalgam
B In orthodontic wires
C To construct clasps for partial dentures
D To replace internal gold restorations
Correct Answer: In orthodontic wires

The base constituents of dental waxes come from three main sources except______________?

A Animal
B Mineral
C Insect
D Vegetable
Correct Answer: Animal

The standard perforated tray for us with alginate impression materials may be brought to more customized contour by_______________?

A Utility wax
B Base plate wax
C Beading wax
D Boxing wax
Correct Answer: Utility wax

The porosity formed due to simultaneous nucleation of solid grains and gas bubbles at the first moment that metal freezes at the mold walls is called__________?

A Pinhole porosity
B Gas inclusion porosity
C Micro porosity
D Subsurface porosity
Correct Answer: Subsurface porosity

Function of carnauba wax_________________?

A To provide a smooth and glossy surface
B Increase toughness
C Decrease toughness
D Decrease flow at room temperature
Correct Answer: Decrease flow at room temperature

Reduction in the fusion temperature of dental gold casting alloys is caused by presence of______________?

A Platinum
B Copper
C Silver
D Gold
Correct Answer: Copper

Softening heat treatment of alloy increases_________________?

A Tensile strength
B Proportional limit
C Ductility
D Hardness
Correct Answer: Ductility