M C Q s D r i v e

Medical Science Mcqs 5254 MCQs [All-Courses]

thumb

Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

Boxing wax is also called as________________?
A Carding wax
B Inlay wax
C Utility wax
D Sticky wax
Correct Answer: Carding wax
Shape memory in NiTi is because of stress induced form__________________?
A Austenite to martensite
B Martensite to austenite
C Ferrite to austenite
D Austenite to ferrite
Correct Answer: Austenite to martensite
Casting shrinkage is compensated by_______________?
A Thermal expansion
B Hygroscopic expansion
C Wax expansion
D All of the above
Correct Answer: All of the above
The gold alloys used for casting contain at least…. percent of precious metal according to ADA specification number 5________________?
A 55
B 65
C 75
D 85
Correct Answer: 75
Impurities in casting is removed by________________?
A Annealing
B Degassing
C Pickling
D Conditioning
Correct Answer: Pickling
Shape memory is seen in________________?
A Stainless steel wire
B NITTINOL wire
C TMA wire
D Aluminium
Correct Answer: NITTINOL wire
The best pickling solution for gypsum bonded investment is_______________?
A Hydrochloric acid
B Nitric acid
C Sulphuric acid
D Phosphoric acid
Correct Answer: Hydrochloric acid
Corrosion of stainless steel is due to formulation of_________________?
A Chromium carbide
B Carbon carbide
C Iron carbide
D Nickel carbide
Correct Answer: Chromium carbide
The rapid decrease in tensile strength and increase in ductility of a wrought metal is seen in which stage of annealing ?
A Recovery stage
B Recrystallisation stage
C Grain growth stage
D All of the above
Correct Answer: Recrystallisation stage
Which one of the following categories of dental materials has the highest thermal conductivity_________________?
A Unfilled acrylic plastics
B Gold alloys
C Porcelains
D Zinc phosphate cements
Correct Answer: Gold alloys