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Medical Science Mcqs 5254 MCQs [All-Courses]

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

All Topics  5254

Agar is prepared from_______________________?
A Bullock heart
B Chemicals
C Sea weed
D Chick cells
Correct Answer: Sea weed
Perforated impression tray are used for_______________?
A Alginate
B Zinc oxide-eugenol
C Agar-agar
D Impression compound
Correct Answer: Alginate
During setting of alginate impression materials________________?
A Trisodium phosphate reacts with sodium alginate
B Trisodium phosphate reacts with calcium sulphate
C Colloidal changes to sol
D Material in contact with soft tissues sets last
Correct Answer: Trisodium phosphate reacts with calcium sulphate
K2SO4 in agar-agar is for_______________?
A Accelerating the setting stage of gypsum
B Increase strength
C Give dimensional stability
D None of the above
Correct Answer: Accelerating the setting stage of gypsum
Wash or corrective impression is done by______________?
A Impression plaster
B Impression paste
C Alginate
D Rubber base impression material
Correct Answer: Impression paste
The plasticizers used in polyether impression material is_______________?
A polyether polymer
B Colloidal silica
C Glycol ether
D Di-vinyl poly (dimethyl siloxane)
Correct Answer: Glycol ether
In reversible hydrocolloid the property by which the transformation from sol to gel and gel to sol is a function of the_____________?
A Concentration of filler and plasticizer
B Percentage composition by weight of water
C Concentration of potassium sulphate
D Temperature
Correct Answer: Temperature
Alginates are_____________?
A Sol
B Gel
C Hydrocolloid
D Colloid
Correct Answer: Hydrocolloid
Syneresis is associated with______________?
A Hydrocolloids
B Elastomers
C Zinc oxide eugenol
D Plaster of paris
Correct Answer: Hydrocolloids
The advantage of ZOE impression paste_______________?
A Has dimensional stability
B Does not adhere to tissues
C Is easy manipulation
D Does not require special trays
Correct Answer: Has dimensional stability
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