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






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






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






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






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






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






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






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






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






10. ______ Molecular weight degrades slower than lower MW






11. Drawback of micromaching






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






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






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






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






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






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






18. The two types of white blood cells:






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






20. List two chemical characteristics of polymers:






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






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






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






24. Keloid scars forms because disfuntion of






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






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






27. Cells that proliferate rapidly (fibroblasts)






28. Activates tissue factors aka endothelial damage






29. ____ are enzymes responsible for protein degradation.






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






31. ____ grafts are derived from the other humans.






32. High conductivity - isotropic - crystalline






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






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






35. Enzyme that really gets the polmerization going!






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






37. Higher Molecular weight degrades slower than ____ MW






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






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






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






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






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






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






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






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






46. 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.






47. This type of feedback creates






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






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






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