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






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






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






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






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






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






7. High conductivity - isotropic - crystalline






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






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






10. 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.






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






12. Keloid scars form due to disfunction of ____.






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






14. Cells that don't proliferate (neurons)






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






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






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






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






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






20. 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?






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






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






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






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






25. Keloid scars forms because disfuntion of






26. Enzyme that really gets the polmerization going!






27. The two types of white blood cells:






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






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






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






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






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






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






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






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






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






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






38. ____ grafts are derived from the other humans.






39. Higher Molecular weight degrades slower than ____ MW






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






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






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






43. List two chemical characteristics of polymers:






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






45. This type of feedback creates






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






47. Cells that proliferate rapidly (fibroblasts)






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






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






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







Sorry!:) No result found.

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