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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.

Accelerators and retarders are used with gypsum products mainly to control_______________?

A Setting time

B Setting expansion

C Hardness of the set product

D None of the above

Review Detailed Answer

Correct Answer: Setting time

The main ingredient in dental plaster in_______________?

A Calcium sulphate hemihydrate

B Calcium phosphate

C Calcium anhydrate

D Calcium sulphate dihydrate

Review Detailed Answer

Correct Answer: Calcium sulphate hemihydrate

Die is________________?

A Impression of single tooth

B Impression of whole teeth

C Replica of single tooth

D Replica of whole teeth

Review Detailed Answer

Correct Answer: Replica of single tooth

Plaster of paris is mixed in________________?

A Plastic bowl

B Rubber bowl

C Glass bowl

D Metal bowl

Review Detailed Answer

Correct Answer: Rubber bowl

Water of reaction needed to react completely with 100 g of calcium sulphate hemihydrates to convert it to calcium sulphate dihydrate______________?

A 18.6ml

B 22.2ml

C 30.4ml

D 45.3ml

Review Detailed Answer

Correct Answer: 18.6ml

Green strength with reference to plaster means_____________?

A Dry strength

B Compressive strength

C Strength of dental stone due to green colour

D The wet strength

Review Detailed Answer

Correct Answer: The wet strength

Water powder ratio of dental stone and plaster is respectively_________________?

A 0.28 and 0.6

B 0.6 and 0.28

C 0.6 and 3.2

D 0.28 and 0.98

Review Detailed Answer

Correct Answer: 0.28 and 0.6

Model plaster (white) used to cast study models before mixing with water, is largely composed of____________?

A CaO

B CaCO3

C (CaSO4)2-½H2O

D CaSO4-2H2O

Review Detailed Answer

Correct Answer: (CaSO4)2-½H2O

White gold alloy predominantly is______________?

A Gold added with palladium

B Gold added with calcium

C Gold with much of chromium

D Gold with silver

Review Detailed Answer

Correct Answer: Gold added with palladium

In type II gold alloys _______ Karat gold is used?

A 24 K

B 22 K

C 18 K

D 10 K

Review Detailed Answer

Correct Answer: 18 K

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Accelerators and retarders are used with gypsum products mainly to control_______________?

The main ingredient in dental plaster in_______________?

Die is________________?

Plaster of paris is mixed in________________?

Water of reaction needed to react completely with 100 g of calcium sulphate hemihydrates to convert it to calcium sulphate dihydrate______________?

Green strength with reference to plaster means_____________?

Water powder ratio of dental stone and plaster is respectively_________________?

Model plaster (white) used to cast study models before mixing with water, is largely composed of____________?

White gold alloy predominantly is______________?

In type II gold alloys _______ Karat gold is used?