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.

A fluid having constant viscosity that does not depend upon the strain rate is said to be_______________?

A Viscoelastic

B Pseudoplastic

C Plastic

D Newtonian

Review Detailed Answer

Correct Answer: Newtonian

Which of the following hardness test is a micro hardness test ?

A Brinnel

B Knoop

C Shore-A

D Rockwell

Review Detailed Answer

Correct Answer: Knoop

Which of the following properties of dental materials is time dependent_______________?

A Creep

B Resillience

C Elastic limit

D Ultimate strength

Review Detailed Answer

Correct Answer: Creep

Flow of a material refers to_______________?

A Continued change of the material under a given load

B The consistency of material when mixing

C The homogencity of gypsum products

D Dimensional change of the material during settings

Review Detailed Answer

Correct Answer: Continued change of the material under a given load

The ability of the base to resist occlusal forces and to support the restoration is affected by_______________?

A Compressive strength

B Tensile strength

C Young’s modulus

D Modulus of elasticity

Review Detailed Answer

Correct Answer: Compressive strength

The ability of an alloy to withstand mechanical stresses without permanent deformation is reflected by its______________?

A Resilience

B Elastic limit / Elastic strain

C Hardness

D Fatigue resistance

Review Detailed Answer

Correct Answer: Elastic limit / Elastic strain

Which of the following physical property can be used to estimate indirectly the proportional limit of gold alloys ?

A Vickers’s hardness number

B Knoop hardness number

C Brinell hardness number

D Rockwell hardness number

Review Detailed Answer

Correct Answer: Brinell hardness number

Property of the material, which describes the resistance to abrasion, is_________________?

A Hardness

B Yield strength

C Modulus of elasticity

D None of the above

Review Detailed Answer

Correct Answer: Hardness

Ultimate tensile strength refers to_________________?

A Stress before rupture

B Stress after rupture

C Longitudinal compressive strength

D Horizontal compressive strength

Review Detailed Answer

Correct Answer: Stress before rupture

Ability of an orthodontic wire to spring back to its original shape is evaluated by_____________?

A Brittleness

B Resilience

C Tensile strength

D Toughness

Review Detailed Answer

Correct Answer: Resilience

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

A fluid having constant viscosity that does not depend upon the strain rate is said to be_______________?

Which of the following hardness test is a micro hardness test ?

Which of the following properties of dental materials is time dependent_______________?

Flow of a material refers to_______________?

The ability of the base to resist occlusal forces and to support the restoration is affected by_______________?

The ability of an alloy to withstand mechanical stresses without permanent deformation is reflected by its______________?

Which of the following physical property can be used to estimate indirectly the proportional limit of gold alloys ?

Property of the material, which describes the resistance to abrasion, is_________________?

Ultimate tensile strength refers to_________________?

Ability of an orthodontic wire to spring back to its original shape is evaluated by_____________?