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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.

Setting time of ZOE is best controlled by______________?

A Adding a drop of eugenol

B Adding a drop of water

C Cooling the glass slab

D Altering ratio of two pastes

Review Detailed Answer

Correct Answer: Cooling the glass slab

Impression plaster is_____________?

A Less compressive than alginate

B More compressive than alginate

C As compressive as alginate

D More compressive than hydrocolloids

Review Detailed Answer

Correct Answer: Less compressive than alginate

Vulcanization refers to the setting of__________________?

A Reversible hydrocolloid

B Mercaptan impression material

C Zinc Phosphate cement

D Zinc oxide-eugenol

Review Detailed Answer

Correct Answer: Mercaptan impression material

Impression techniques are used for recording________________?

A Oral mucosal tissues

B Dental hard tissues

C Oral mucosal tissues and dental hard tissues

D None of the above

Review Detailed Answer

Correct Answer: Oral mucosal tissues

Syneresis seen in hydrocolloid gel is______________?

A Seen as water loss

B Water absorption

C Shrinkage

D Gelation

Review Detailed Answer

Correct Answer: Seen as water loss

Best material for duplicating cast is_______________?

A Agar-agar

B Alginate

C Zinc oxide eugenol

D Plaster of paris

Review Detailed Answer

Correct Answer: Agar-agar

The base paste of the condensation poly sillicone has a low molecular weight dimethyl siloxane with a terminal-group_______________?

A Marcaptan group

B Hydroxyl group

C Silane group

D Virryl group

Review Detailed Answer

Correct Answer: Hydroxyl group

Hysteresis in a hydrocolloid gel is______________?

A Moisture absorption

B Temperature lag between gelation and liquefaction temperature

C Phenomenon of conversion of gel into sol

D All of the above

Review Detailed Answer

Correct Answer: Temperature lag between gelation and liquefaction temperature

All of the following can be used to slow down the setting of Zinc oxide eugenol impression paste EXCEPT_________________?

A Adding a small amount of glycerine

B Adding a small amount of water

C Altering the amounts of the two pastes used

D Cooling mixing slab

Review Detailed Answer

Correct Answer: Adding a small amount of water

All of the following statements about Type II silicon impression material are true EXCEPT_______________?

A They evolve hydrogen when cast if they are not fully cured

B They exhibit a very low setting shrinkage

C They have a lower tear resistance than polysulphide rubbers

D They set by condensation polymerisation

Review Detailed Answer

Correct Answer: They set by condensation polymerisation

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Setting time of ZOE is best controlled by______________?

Impression plaster is_____________?

Vulcanization refers to the setting of__________________?

Impression techniques are used for recording________________?

Syneresis seen in hydrocolloid gel is______________?

Best material for duplicating cast is_______________?

The base paste of the condensation poly sillicone has a low molecular weight dimethyl siloxane with a terminal-group_______________?

Hysteresis in a hydrocolloid gel is______________?

All of the following can be used to slow down the setting of Zinc oxide eugenol impression paste EXCEPT_________________?

All of the following statements about Type II silicon impression material are true EXCEPT_______________?