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. This type of feedback creates






2. ______ Molecular weight degrades slower than lower MW






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






4. Higher Molecular weight degrades slower than ____ MW






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






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






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






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






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






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






11. Activates tissue factors aka endothelial damage






12. Cells that proliferate rapidly (fibroblasts)






13. The two types of white blood cells:






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






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






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






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






18. ____ grafts are derived from the other humans.






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






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






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






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






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






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






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






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






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






28. 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?






29. Cells that don't proliferate (neurons)






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






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






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






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






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






35. Thrombin activates several upstream factors.






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






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






38. ____ are enzymes responsible for protein degradation.






39. 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.






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






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






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






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






44. Keloid scars form due to disfunction of ____.






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






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






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






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






49. High conductivity - isotropic - crystalline






50. 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.