Test your basic knowledge |

Biomaterials

Subject : engineering
Instructions:
  • Answer 18 questions in 15 minutes.
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  • Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. They are also known as renewable polymers and these are produced from biomass for use in the packaging industry.






2. A type of biopolymer with short polymers of amino acids.






3. It is any substance (other than drugs) or combination of substances synthetic or natural in origin. It can be derived either from nature or synthesized in the laboratory using a variety of chemical approaches utilizing metallic components or ceramics






4. Materials which upon being placed within the human body interacts with the surrounding bone and in some cases - even soft tissue i.e. Synthetic hydroxyapatite - glass ceramic A-W - bioglass






5. These are used in artificial hip joints - dental implants - bone plates and screws - heart pacemakers - stents - and other medical devices.






6. Materials that upon placement within the human body starts to dissolve (resorbed) and slowly replaced by advancing tissue (such as bone) i.e. tricalcium phosphate - polylactic- polyglycolic acid copolymers






7. It is an analytical device for the detection of an analyte that combines a biological component with a physicochemical detector.






8. Also known as hard materials and it usually has a mechanical function - being strong - hard materials which use less energy for an organism to produce than an equally strong organic material.






9. They are materials formed by a matrix (resin) and a reinforcement of natural fibers (usually derived from plants or cellulose).






10. It is any material that - once placed in the human body - has minimal interaction with its surrounding tissue.






11. This involves the use of a binder or by using the thermal method to fuse the fibers together.






12. Type of biocomposites that consists of a matrix reinforced by a dispersed phase in form of particles.






13. A type of biopolymer with linear bonded polymeric carbohydrate structures.






14. A type of biopolymer with long polymers composed of 13 or more nucleotide monomers.






15. Type of biocomposites that consists of a matrix reinforced by a dispersed phase in form of discontinuous fibers.






16. This type of biomaterial processing is only useful if it preserves the uniform porous structure of the original membranes.






17. It functions as joint or tissue replacements - can be used as coatings to improve the biocompatibility of metal implants. They are also non - toxic and can be bioinert.






18. Type of biocomposites - a material which consists of voids/pores.