Test your basic knowledge |

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






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






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






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






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






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






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






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






9. Keloid scars forms because disfuntion of






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






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






12. Activates tissue factors aka endothelial damage






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






14. This type of feedback creates






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






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






17. Mast cells release this






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






19. Cells that proliferate rapidly (fibroblasts)






20. Cells that don't proliferate (neurons)






21. ____ grafts are derived from the other humans.






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






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






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






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






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






27. 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.






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






29. Drawback of micromaching






30. The two types of white blood cells:






31. ____ are enzymes responsible for protein degradation.






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






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






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






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






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






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






38. 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.






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






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






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






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






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






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






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






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






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






48. 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?






49. Thrombin activates several upstream factors.






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