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.

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

The Zinc oxide-eugenol impression pastes harden by________________?

A Chemical reaction

B Cold

C Heat

D Pressure

Review Detailed Answer

Correct Answer: Chemical reaction

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

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_______________?

The Zinc oxide-eugenol impression pastes harden by________________?