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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

Softening heat treatment of alloy increases_________________?
A Tensile strength
B Proportional limit
C Ductility
D Hardness
Correct Answer: Ductility
The function of a sprue is to_______________?
A Form an opening of molten metal to enter the mold
B Help polish cast restorations
C Eliminate air bubbles on the wax pattern
D Reproduce fine detail
Correct Answer: Form an opening of molten metal to enter the mold
Stabilization of stainless steel is achieved by adding____________?
A Carbon
B Chromium
C Nickel
D Titanium
Correct Answer: Titanium
The yield strength of AUstenite (NiTi alloy) is______________?
A 100 Mpa
B 240 Mpa
C 560 Mpa
D 700 Mpa
Correct Answer: 560 Mpa
A highly polished surface on a metallic dental restoration aids considerably in the prevention of the____________?
A Dimensional change
B Thermal conductivity
C Warpage
D Tarnish and corrosion
Correct Answer: Tarnish and corrosion
Tublulence of molten gold is due to _____________?
A Impurities in gold
B Improper venting
C A and B
D None of the above
Correct Answer: None of the above
In a patient with allergy to costume jewelry, which of the following is contraindicated______________?
A High gold
B Low gold
C Palladium – Ag
D Ni – Cr
Correct Answer: Ni – Cr
Indium in metal alloys_______________?
A Improve bonding
B Harden the metal ceramic Ag-Pd alloy
C Both A and B
D None of the above
Correct Answer: Both A and B
Mouth temperature waxes are_______________?
A Iowa wax
B Modeling wax
C Green stick wax
D None of the above
Correct Answer: Iowa wax
Incomplete casting is the result of_____________?
A More porous investment in the mould
B Narrow sprue diameter
C Hollow sprue pin
D Large reservoir
Correct Answer: Narrow sprue diameter
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