Test your basic knowledge |

Bio Engineering

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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. The fibrous capsule surrounding a permanent implant is primarily composed of ___ cells and ____ (matrix).






2. You're working on a square polymeric implant of 5cm length and 2mm thick. You've been asked to suggest a precise way to fabricate it - what would you suggest?






3. The fatigue limit is the ___ below which the material can withstand an infinite number of cycles without failure






4. Activates tissue factors aka endothelial damage






5. The formation of rust due to corrosion in the body is due to the reaction between these 3 things ____ - ____ - and ____ .






6. Cell found in the lining of the blood vessels that release heparin and are a part of the negative feedback system.






7. Classify the following polymers into appropriate families based on their bond structure i.e. the polymer is an example of poly ____.






8. Are polymer additives used to lower glass transition temperature temperature.






9. Where are the tissue factors found when they're inactivated






10. Cells that don't proliferate (neurons)






11. A molecular pathway in which the product of each reaction catalyzes the subsequent reaction.






12. Deformation that cannot be recovered once the load is removed from the material is ____ deformation.






13. Cells that proliferate slowly over time (aka liver)






14. ____- are polymers that can be repeatedly softened by heating and hardened by cooling.






15. The process of calibration establishes a quantitative relationship between ____ __ ___ _____ and the direct output of the intstrument (for example time/volume in GPC).






16. Vascular endothelial growth factor is produced in response to ___ and stimulates ___.






17. Foreign body giants cells are produced by fusion of ___.






18. The fatigue limit is the ___ below which the material can withstand an infinite number of cycles without failure.






19. Thrombin also activates protein C-- which deactivates earlier factors in the cascade is known as ___ ___.






20. Process that makes long fibers (fiber drawing) by forcing a fluid through an oriface.






21. Resulting from the build up of too much collagen at the surface of injury during the granulation tissue stage of proliferation






22. Keloid scars form due to disfunction of ____.






23. Process of producing new blood vessels due to a lack on oxygen and thus inducing VEGF.






24. High conductivity - isotropic - crystalline






25. ____ describes the ability of a device to function appropriately in the presence of blood.






26. ____ is a measurement that characterizes the breadth of the distribution of a polymer's molecular weight.






27. The calculation of a polymer's molecular weight (weight average and number number average) is based upon values for ____ and ___.






28. Polyethylene oxide grafting to biomaterials was developed to prevent coagulation by interfering with/preventing ___ ___.






29. Drawback of micromaching






30. Addition polymerization is commonly initiated by ___ - atoms that have an unpaired electron.






31. _____ establishes a quantitative relationship between measured output values from an instrument and known standards of what is being measured.






32. Condition in which patients can literally bleed to death.






33. Two things needed in the end product of the creation of a scab






34. During granulation stage of proliferation - growth factors that produce this ____(answer)_____ that function in degrading fibrin and replacing it with collagen.






35. ____ binds to anti- thrombin III (thrombin inhibitor) and increases its potency 1000- fold.






36. No healing of damage neurons is the result of ____ cells that are not able to ____.






37. In order to produce a blood clot - thrombin cleaves/activates ____ and ____.






38. Type of fiber drawing that controls details of a polymer by etching on a microscopic level; thus - controlling mechanical properties as well






39. A ____ implant is designed to elicit specific - intended to host responses.






40. What types of wound healing results from injury with inflammation?






41. What type of materials are used for photolithography? (substrate is a silicon wafer - built up material is some _____ ____ )






42. Neutrophils remove bacteria/damaged cell debris from a wound site through the process of ___.






43. Enzyme that really gets the polmerization going!






44. ____ grafts are derived from the other humans.






45. Is directed cell migration in response to a concentration gradient of soluble molecules.






46. List two chemical characteristics of polymers:






47. The fatigue limit is value of applied stress below which a material will not fail no matter the number of ____ applied.






48. Which of polyermization (condensation/free radical) would you choose to obtain a polymer of high molecular weight?






49. Relative to free radical polymerization - condensation polymerization generally produces polymer of relatively ____ molecular weight.






50. ____ are enzymes responsible for protein degradation.