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. Cells that proliferate slowly over time (aka liver)






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






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






4. Mast cells release this






5. Enzyme that really gets the polmerization going!






6. The glass transition temperature of a poymer at which a polymer transforms from a ____ state to a ___ state.






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






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






9. List two chemical characteristics of polymers:






10. The two types of white blood cells:






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






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






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






14. Cells that proliferate rapidly (fibroblasts)






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






16. Higher Molecular weight degrades slower than ____ MW






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






18. Drawback of micromaching






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






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






21. ____ grafts are derived from the other humans.






22. The trigger for activation of enzymes (anything but endothelial cells!)






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






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






25. Keloid scars form due to disfunction of ____.






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






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






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






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






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






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






32. Disfunction of _____ (cells) producing collagenase during the _____ phase of wound healing may form Keloid scars.






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






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






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






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






37. 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.






38. This type of feedback creates






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






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






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






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






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






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






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






46. ____ are enzymes responsible for protein degradation.






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






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






49. 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?






50. Thrombin activates several upstream factors.