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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. High conductivity - isotropic - crystalline






2. ____ grafts are derived from the other humans.






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






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






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






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






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






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






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






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






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






12. Cells that don't proliferate (neurons)






13. ______ Molecular weight degrades slower than lower MW






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






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






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






17. Higher Molecular weight degrades slower than ____ MW






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






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






20. Keloid scars form due to disfunction of ____.






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






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






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






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






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






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






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






28. This type of feedback creates






29. 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.






30. 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.






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






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






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






34. Cells that proliferate rapidly (fibroblasts)






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






36. Thrombin activates several upstream factors.






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






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






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






40. 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.






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






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






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






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






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






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






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






48. Keloid scars forms because disfuntion of






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






50. Activates tissue factors aka endothelial damage







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