Materials in Healthcare: Properties, Applications, and Evaluation

Question 1

Which characteristic is NOT a requirement for biocompatibility of materials in healthcare applications?

Accepted Answer

High biodegradability

Answer

Absence of cytotoxicity

Answer

Resistance to corrosion

Answer

Lack of genotoxicity

Question 2

In regenerative medicine, what is the main role of tissue engineering?

Accepted Answer

To create functional tissues to replace damaged or diseased ones

Answer

To develop novel drugs for treating chronic diseases

Answer

To enhance the immune system's response

Answer

To prevent the spread of infectious diseases

Question 3

What is the key distinction between bioresorbable and non-bioresorbable implants?

Accepted Answer

Bioresorbable implants are designed to degrade in the body over time, while non-bioresorbable implants remain.

Answer

Non-bioresorbable implants are more likely to cause infection, while bioresorbable implants are more biocompatible.

Answer

Bioresorbable implants are used for short-term applications, while non-bioresorbable implants are used長期.

Answer

Non-bioresorbable implants are typically stronger than bioresorbable implants.

Question 4

Which of the following is a potential benefit of using biodegradable polymers in medical devices?

Accepted Answer

Elimination of a second surgery to remove the device

Answer

Reduced risk of infection due to faster integration

Answer

Improved mechanical properties compared to other materials

Answer

Enhanced tissue regeneration through controlled drug release

Question 5

Which of the following factors is NOT typically considered when selecting a material for a specific medical application?

Accepted Answer

Aesthetic appeal and patient preference

Answer

Biocompatibility and safety

Answer

Mechanical properties and functionality

Answer

Cost-effectiveness and availability

Question 6

Which type of implant is specifically designed to replace lost or damaged bone tissue?

Accepted Answer

Hip replacement

Answer

Stent

Answer

Dental crown

Answer

Cochlear implant

Question 7

Which drug delivery system releases a drug gradually over an extended period?

Accepted Answer

Transdermal patch

Answer

Oral tablet

Answer

Intravenous injection

Answer

Inhalation aerosol

Question 8

Which material is commonly used in medical devices due to its excellent biocompatibility and strength?

Accepted Answer

Titanium

Answer

Polycarbonate

Answer

Ceramic

Answer

Stainless steel

Question 9

Which regenerative medicine approach involves transplanting stem cells to repair damaged tissues?

Accepted Answer

Cell therapy

Answer

Gene therapy

Answer

Tissue transplantation

Answer

Organ transplantation

Question 10

Which ethical consideration is especially relevant to the use of materials in healthcare?

Accepted Answer

Informed consent and patient rights

Answer

Environmental sustainability

Answer

Animal welfare

Answer

Data privacy

Question 11

Which property is indispensable for biomaterials intended for implants?

Accepted Answer

Biocompatibility

Answer

High Young's modulus

Answer

Minimal porosity

Answer

High thermal conductivity

Question 12

What is the primary function of drug delivery systems in healthcare applications?

Accepted Answer

Controlled release of therapeutic agents

Answer

Prevention of infections

Answer

Tissue repair

Answer

Bone regeneration

Question 13

Among the following materials, which is commonly employed for tissue engineering scaffolds?

Accepted Answer

Polycaprolactone

Answer

Titanium

Answer

Stainless steel

Answer

Ceramic

Question 14

In selecting ceramics for medical implant applications, which critical properties are paramount?

Accepted Answer

Biocompatibility and mechanical strength

Answer

Electrical conductivity and thermal expansion

Answer

Optical transparency and chemical inertness

Answer

Magnetic susceptibility and porosity

Question 15

In selecting and designing materials for hip joint implants, which factors are paramount?

Accepted Answer

Biocompatibility, mechanical properties, and wear resistance

Answer

Thermal conductivity and electrical conductivity

Answer

Biodegradability and aesthetics

Question 16

What is the primary purpose of a drug delivery system?

Accepted Answer

Regulate the release of a drug over time

Answer

Prevent drug degradation

Answer

Mitigate drug side effects

Answer

Enhance drug absorption

Question 17

Describe the role of tissue engineering in healthcare:

Accepted Answer

Creating functional tissues for transplantation

Answer

Diagnosing diseases

Answer

Developing new drugs

Answer

Monitoring patient outcomes

Question 18

Which biodegradable material is used in stents?

Accepted Answer

Magnesium

Answer

Cobalt-chromium

Answer

Nitinol

Answer

Teflon

Question 19

Which of the following is a type of regenerative medicine therapy?

Accepted Answer

Stem cell transplantation

Answer

Physical therapy

Answer

Antibiotic treatment

Answer

Radiation therapy

Question 20

What is the advantage of shape memory alloys in medical devices?

Accepted Answer

Their ability to be programmed to change shape when heated.

Answer

They are biocompatible and non-toxic.

Answer

They are exceptionally strong and durable.