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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. Thrombin activates several upstream factors.






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






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. 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?






6. Mast cells release this






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






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






9. List two chemical characteristics of polymers:






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






11. ____ grafts are derived from the other humans.






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






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






14. Cells that don't proliferate (neurons)






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






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






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






18. The two types of white blood cells:






19. Keloid scars form due to disfunction of ____.






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






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






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






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






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






25. 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.






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






27. This type of feedback creates






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






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






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






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






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






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






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






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






36. Keloid scars forms because disfuntion of






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






38. Enzyme that really gets the polmerization going!






39. ____ are enzymes responsible for protein degradation.






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






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






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






43. 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.






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






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






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






47. Drawback of micromaching






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






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






50. Activates tissue factors aka endothelial damage







Sorry!:) No result found.

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