Materials and Materials Science

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Questions and Answers

Which of the following is NOT a classification basis for materials?

Living or nonliving
Geological origin
Physical and chemical properties
Biological function (correct)

What are biomaterials?

Substances synthesized in a lab for diagnostic purposes
Substances engineered to interact with biological systems for medical purposes (correct)
Impure substances used in materials science and engineering
Pure substances derived from nature

Which materials are commonly used in medical devices?

Materials with good corrosion resistance and wear resistance
Metals, ceramics, polymers, and composite materials (correct)
Pure substances with high strength and mechanical reliability
Living structures and biomedical devices

What are the advantages of using metal materials in medical devices?

All of the above (D) Signup and view all the answers

What is the purpose of biomaterials in medical applications?

To perform, augment, or replace a natural function (B) Signup and view all the answers

What is the definition of a material?

A substance or mixture of substances that constitutes an object. Signup and view all the answers

How can materials be classified?

Materials can be classified based on their physical and chemical properties, or on their geological origin or biological function. Signup and view all the answers

What is the definition of biomaterials?

Biomaterials are substances engineered to interact with biological systems for a medical or diagnostic purpose. Signup and view all the answers

What are the advantages of using metal materials in medical devices?

Metal materials have high strength, mechanical reliability, elasticity, good corrosion resistance, wear resistance and fatigue, toughness, and thermal and electrical conductivity. Signup and view all the answers