1. Which one is not a soft tissue implant  

Adhesive 

Surgical tapes 

Percutaneous and skin implants 

Finger joint implants 

2. Extracellular matrix contains (ECM)

Glucose 

Cell organells 

Collagen and Elastin 

Chondrocytes 

3. The ideal biomaterial property of soft tissue implants should be, except

Implant should not deteriorate 

Should not cause severe tissue reaction 

Should not induce thick fibrous encapsulation 

Should allow osteogenesis 

4. For sutures which one is not a desirable property * 

Needle-holding strength 

Knot security 

Tissue reaction 

Diameter 

5. Widely used natural biomaterial for suture * 

polypropylene 

catgut 

silk 

jute 

6. Natural tissue adhesive biomaterial * 

Laminin 

Fibrin 

Genepin 

Hemoglobin 

7. Examples of percutaneous implants, except *

Haemodialysis 

Cardiac pacemaker charger 

Left ventricular assist device 

neuroelectric stimulator 

8. Artificial skin is developed with

Fibroblast 

Chondroitin sulfate 

Chondrocyte 

Myoblast 

9. Objectives of maxillofacial implants, except  

Augmentation of skin 

Mastication 

Restoration to esthetics 

Speech restoration 

10. Materials used for maxillofacial implants

polyester 

Nylon 

Teflon 

Acrylic resin and polymers 

2 marks 11. Name the hard tissue replacement implants

titanium, stainless steel, cobalt chromium, bioceramics

13. Cadaveric pericardium is what type of graft?

Autograft 

Allograft 

Xenograft 

Synthetic graft 

14. Isolated tissues and organs are used as

In vitro model 

In vivo model 

Ex vivo model 

In silico model 

15. Biological evaluation of medical devices given in

ISO 10993(1,3,12)-2009 

ISO 10993(3,5,12)-2009 

ISO 10993(1,5,12)-2009 

ISO 10993(3,5,7)-2009 

16. ISO 10993-3 biological evaluation of medical devices includes

In Vitro Tests for Genotoxicity 

In Vitro Tests for Genotoxicity, Carcinogenicity, 

In Vitro Tests for Genotoxicity, Carcinogenicity, and Reproductive Toxicity 

In Vitro Tests for Carcinogenicity, and Reproductive Toxicity 

17. Chemicals that possess potentially harmful properties are referred to as

Lethal agents 

Toxicants 

Humactants 

Retardants

20. Example of heparin-coated medical devices

Option 1 

Surgical instruments 

Orthopedic implants 

Cardiovascular stents and blood contacting devices 

21. Drug eluting cardiovascular stents avoid

Thrombosis 

Restenosis 

Bleeding 

Platelet aggregation 

22. Genotoxicity refers to

Changes in RNA 

Changes in deoxyribonucleic acid 

DNA destruction; gene mutations; and chromosomal aberrations 

DNA destruction; gene mutations 

23. Mechanism of trabecular bone formation by (bone morphogenic protein) BMP *

ANSWER: a) Attraction b) Reproduction c) Differentiation d) Trabecular bone

24. L929 cytotoxicity test results

It is the representative light microscopic images of L929 cells in the L929 Elution Test. Images A and D represent the negative and the positive controls showing no cell cytotoxicity and approximately 100% cytotoxicity. Image B and C represent approximately 50% and 80% cytotoxicity, respectively.