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. This type of feedback creates






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






3. Mast cells release this






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






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






6. Keloid scars forms because disfuntion of






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






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






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






10. A condensation polymerization results with an ester bond between two reactants and this comes off as a result






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






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






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






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






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






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






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






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






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






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






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






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






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






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






25. Keloid scars form due to disfunction of ____.






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






27. ____ are enzymes responsible for protein degradation.






28. Thrombin activates several upstream factors.






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






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






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






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






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






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






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






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






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






38. Cells that proliferate rapidly (fibroblasts)






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






40. List two chemical characteristics of polymers:






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






42. ______ Molecular weight degrades slower than lower MW






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






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






45. Drawback of micromaching






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






47. ____ grafts are derived from the other humans.






48. 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.






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






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