Biomaterials Quiz

What are the three broad groups of biomaterials based on chemical bonding?

• Fibers, Foams, Films

• Polymers, Ceramics, Metals

• Alloys, Compounds, Mixtures

• Plastics, Glasses, Composites

Which type of metallic alloy is known for its excellent corrosion resistance?

• Stainless Steel

• Aluminum Alloys

• Copper Alloys

• Zinc Alloys

What is a key property of titanium-based alloys?

• Poor biocompatibility

• High density

• Low corrosion resistance

• High strength-to-weight ratio

Which ceramic is commonly used as a bone tissue substitute?

• Polyethylene

• Titanium Dioxide

• Silica

• Alumina

What is a characteristic of bioactive ceramics?

• They are only used in dental applications

• They are not biocompatible

• They form direct chemical bonds with bone

• They are primarily metallic

Which type of polymer can be reshaped multiple times when heated?

• Thermoplastic biopolymer

• Crosslinked biopolymer

• Thermosetting biopolymer

• Elastomer biopolymer

What is the main advantage of using polymers in biomedical applications?

• High cost

• Poor mechanical properties

• High density

• Low toxicity in biological fluids

Which of the following is a limitation of ceramics?

• Brittle nature

• Low hardness

• High ductility

• Easy manufacturing

What is the primary use of cobalt-based alloys in prosthetics?

• Orthotic braces

• Surgical sutures

• Dental implants

• Knee and hip joint prostheses

In a composite material, what is the function of the matrix phase?

• To provide flexibility and distribute the load

• To act as the primary strengthening component

• To weaken the composite for easy processing

• To increase water absorption