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






2. ____ are enzymes responsible for protein degradation.






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






4. Thrombin activates several upstream factors.






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






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






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






8. GPC separates molecules on the basis of size by their passage over a column packed with a porous matrix. ___ molecules pass through the column more quickly.






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






10. High conductivity - isotropic - crystalline






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






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






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






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






15. 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?






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






17. Cells that proliferate rapidly (fibroblasts)






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






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






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






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






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






23. Keloid scars forms because disfuntion of






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






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






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






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






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






29. List two chemical characteristics of polymers:






30. This type of feedback creates






31. Cells that don't proliferate (neurons)






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






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






34. Mast cells release this






35. Cardiac bypass surgery in which a vein from a patient's leg is transplanted to the patient's heart is an example of the us of ____ tissue.






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






37. Enzyme that really gets the polmerization going!






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






39. ____ grafts are derived from the other humans.






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






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






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






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






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






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






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






47. Keloid scars form due to disfunction of ____.






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






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






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