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






2. Higher Molecular weight degrades slower than ____ MW






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






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






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






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






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






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






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






10. Thrombin activates several upstream factors.






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






12. High conductivity - isotropic - crystalline






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






14. Keloid scars forms because disfuntion of






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






16. List two chemical characteristics of polymers:






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






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






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






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






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






22. 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?






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






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






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






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






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






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






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






30. Activates tissue factors aka endothelial damage






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






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






33. Keloid scars form due to disfunction of ____.






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






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






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






37. Enzyme that really gets the polmerization going!






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






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






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






41. This type of feedback creates






42. Mast cells release this






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






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






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






46. ______ Molecular weight degrades slower than lower MW






47. ____ grafts are derived from the other humans.






48. Cells that don't proliferate (neurons)






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






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







Sorry!:) No result found.

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