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Medical Science Mcqs 5254 MCQs [All-Courses]

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

Gypsum bonded investment should not be heated over______________?

A 700°C

B 1,300°C

C 1,063°C

D 900°C

Review Detailed Answer

Correct Answer: 700°C

Cobalt-Chrominum alloys contains_______________?

A 30% cobalt and 60% chrominum

B 60% cobalt and 30% chrominum

C 1% palladium

D 20% gold

Review Detailed Answer

Correct Answer: 60% cobalt and 30% chrominum

The most commonly used Titanium alloy for dental and medical purposes is________________?

A Ti 6Al 4V

B Ti 5Al 4V

C Ti 5Al 5V

D Ti 6Al 6V

Review Detailed Answer

Correct Answer: Ti 6Al 4V

Wax pattern is ideally invested immediately to decrease the dimensional changes caused by_______________?

A Decrease flow

B Continuous expansion

C Relaxation of the internal stresses

D Water loss

Review Detailed Answer

Correct Answer: Relaxation of the internal stresses

The maximum carbon content of steel used in dentistry is__________________?

A 19%

B 2%

C 1.7%

D 4%

Review Detailed Answer

Correct Answer: 1.7%

Flux is used during casting to________________?

A Remove the oxides formed on the gold alloy

B Lower the melting point

C Replace casting wax

D Speed the burnout process

Review Detailed Answer

Correct Answer: Remove the oxides formed on the gold alloy

Resistance to corrosion in a cobalt-chrome casting is due to presence of_______________?

A High quality iron

B Chrome

C Cobalt

D Nickel

Review Detailed Answer

Correct Answer: Chrome

Which is the use of boxing an impression______________?

A Ease of construction of denture

B Preserving the sulci

C Ease of pouring an impression

D All of the above

Review Detailed Answer

Correct Answer: Ease of pouring an impression

Gap between true end of casting ring and wax pattern should be______________?

A ¼ inch

B ½ inch

C 3/8 inch

D one inch

Review Detailed Answer

Correct Answer: ¼ inch

Addition of large amounts of platinum to a casting gold alloy will________________?

A Decrease its strength and ability to be hardened

B Decrease its tarnish resistance

C Increase its fusion temperature

D Redden the alloy

Review Detailed Answer

Correct Answer: Increase its fusion temperature

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Gypsum bonded investment should not be heated over______________?

Cobalt-Chrominum alloys contains_______________?

The most commonly used Titanium alloy for dental and medical purposes is________________?

Wax pattern is ideally invested immediately to decrease the dimensional changes caused by_______________?

The maximum carbon content of steel used in dentistry is__________________?

Flux is used during casting to________________?

Resistance to corrosion in a cobalt-chrome casting is due to presence of_______________?

Which is the use of boxing an impression______________?

Gap between true end of casting ring and wax pattern should be______________?

Addition of large amounts of platinum to a casting gold alloy will________________?