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






3. 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.






4. 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.






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






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






7. Enzyme that really gets the polmerization going!






8. 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?






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






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






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






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






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






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






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






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






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






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






19. ______ Molecular weight degrades slower than lower MW






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






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






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






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






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






25. ____ are enzymes responsible for protein degradation.






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






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






28. Drawback of micromaching






29. 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.






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






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






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






33. Thrombin activates several upstream factors.






34. Keloid scars forms because disfuntion of






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






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






37. Cells that proliferate rapidly (fibroblasts)






38. Keloid scars form due to disfunction of ____.






39. Mast cells release this






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






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






42. This type of feedback creates






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






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






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






46. ____ grafts are derived from the other humans.






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






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






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






50. Cells that don't proliferate (neurons)







Sorry!:) No result found.

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