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.

Which one of the following is the result of applying a load to a wire below its modulus of elasticity on a load deflection diagram ?

A Fracture of the wire

B permanent deformation

C Spring back

D Increase in stiffness

Review Detailed Answer

Correct Answer: Spring back

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

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Which one of the following is the result of applying a load to a wire below its modulus of elasticity on a load deflection diagram ?

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_________________?