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






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






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






4. ____ is the process by which cells involved in inflammation internalize and destroy foreign material.






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






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






7. Activates tissue factors aka endothelial damage






8. ____ grafts are derived from the other humans.






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






10. This cleaves into fibrinogen which creates fibrin (a sticky enzyme that allows blood to clot)






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






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






13. 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?






14. Essentially all metallic biomaterials are ____ - comprised of two or more metals. One of these metals is selected for its ability to support _____ - the formation of a stable oxide layer that resists further corrosion.






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






16. High conductivity - isotropic - crystalline






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






18. Enzymes (proteins) are not activated only when they are in contact with this type of cells






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






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






21. Keloid scars forms because disfuntion of






22. Drawback of micromaching






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






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






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






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






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






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






29. Enzyme that really gets the polmerization going!






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






31. Collagen ____ is responsible for the gradual gain in mechanical properties of wounded tissue between roughly 4 and 52 weeks post- injury.






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






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






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






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






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






37. Keloid scars form due to disfunction of ____.






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






39. Damaged cells at the site of injury (mast cells) release ___ (glycosaminoglycan).






40. Mast cells release this






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






42. Rather than randomly moving - moves in a directed cell migration manner for specific functions.






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






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






45. ______ Molecular weight degrades slower than lower MW






46. ____ are enzymes responsible for protein degradation.






47. Higher Molecular weight degrades slower than ____ MW






48. Cells that proliferate rapidly (fibroblasts)






49. Thrombin activates several upstream factors.






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