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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

Which of the following cast gold alloys is used for fabricating partial denture frameworks______________?
A Type I – Soft
B Type II – Hard
C Type III – Hard
D Type IV – Extra Hard
Correct Answer: Type IV – Extra Hard
Modern dental noble metal casting alloys generally have equiaxed fine grain structures because of the incorporation of small amounts of______________?
A Chromium
B Indium
C Irridium
D Palladium
Correct Answer: Irridium
Nickel is added to wrought gold alloys as______________?
A Strengtherner
B Hardener
C Whitens the alloy
D Scavenger
Correct Answer: Strengtherner
Stages of annealing in order_________________?
A Recovery recrystallization grain growth
B Recrystallization recovery, grain growth
C Grain Growth Recrystallization recovery
D Melting point, grain growth, Recrystallization
Correct Answer: Recovery recrystallization grain growth
The term ordered hardening heat treatment used in which of the following dental alloys ?
A Gold-Copper
B Nickel-Chromium
C Nickel-Titanium
D Silver-Palladium
Correct Answer: Gold-Copper
Linear coefficient of thermal expansion of metal used for metal caramic restoration range from________________?
A 11.5-12.5×10-6/°C
B 10.5-11.5×10-6/°C
C 13.5-14.5×10-6/°C
D 16.5-17.5×10-6/°C
Correct Answer: 13.5-14.5×10-6/°C
Quartz is added to gypsum bonded investment to______________?
A Increase the strength
B Counter balance contraction of gypsum during heating
C aid in hygroscopic expansion
D Increase the shelf life of investment
Correct Answer: Counter balance contraction of gypsum during heating
Annealing is also known as_______________?
A Soft hardening treatment
B Hard hardening treatment
C Precipitating heat treatment
D Stress relieving heat treatment
Correct Answer: Stress relieving heat treatment
The best fuel gas when used with oxygen is______________?
A Hydrogen
B Natural gas
C Propane
D Acetylene
Correct Answer: Propane
Which of the following fuel gases is the best choice of heat source to carry out soldering process ?
A Propane
B Acetylene
C Natural gas
D Hydrogen
Correct Answer: Propane
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