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. 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.






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






3. Activates tissue factors aka endothelial damage






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






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






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






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






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






9. Keloid scars forms because disfuntion of






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






11. This type of feedback creates






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






13. Enzyme that really gets the polmerization going!






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






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






16. Cells that don't proliferate (neurons)






17. Keloid scars form due to disfunction of ____.






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






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






20. Drawback of micromaching






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






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






23. High conductivity - isotropic - crystalline






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






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






26. ______ Molecular weight degrades slower than lower MW






27. 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.






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






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






30. The two types of white blood cells:






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






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






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






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






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






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






37. ____ are enzymes responsible for protein degradation.






38. Mast cells release this






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






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






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






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






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






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






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






46. 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?






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






48. Higher Molecular weight degrades slower than ____ MW






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






50. Cells that proliferate rapidly (fibroblasts)