Quizzes

Question 1

The developmental process of the biomaterials field has evolved through three listing generations. What is true about the focus of each generation?

Answer 1

1. inert
2. controlled degradation
3. regen

Question 2

What is accurate regarding the devices discussed last week?

Answer 2

Cardiac pacing leads are designed with flexible stable and highly conductive materials to withstand the hard endocardial environment. Most failures with cardio assist devices such as the pacemaker are observed due to failure of the leads.

Question 3

Lit review. Overview of biomaterials and their use in medical devices. 2

Answer 3

Polymeric acetablular cups may not require a metallic backing.
Polymeric cushion in tibial comp. will reduce wear due to metal articulation.
Ti encapsulation provides EM shielding.

Question 4

Lit review. Overview of biomaterials and their use in medical devices. 2

Answer 4

Excellent resistance to degradation.

Question 5

What is surface tension (y)?

Answer 5

Opposing force to atmospheric pressure.

Force acting at interfaces and boundaries.