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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. ____ are enzymes responsible for protein degradation.






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






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






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






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






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






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






8. Keloid scars form due to disfunction of ____.






9. The two types of white blood cells:






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






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






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






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






14. 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?






15. Higher Molecular weight degrades slower than ____ MW






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






17. Cells that don't proliferate (neurons)






18. Neutrophils remove bacteria/damaged cell debris from a wound site through the process of ___.






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






20. This type of feedback creates






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






22. List two chemical characteristics of polymers:






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






24. Thrombin activates several upstream factors.






25. Cells that proliferate rapidly (fibroblasts)






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






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






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






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






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






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






32. Enzyme that really gets the polmerization going!






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






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






35. ____ grafts are derived from the other humans.






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






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






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






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






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






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






42. High conductivity - isotropic - crystalline






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






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






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






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






47. Keloid scars forms because disfuntion of






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






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






50. 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.






Can you answer 50 questions in 15 minutes?



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