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






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






3. Drawback of micromaching






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






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






6. 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?






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






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






9. This type of feedback creates






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






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






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






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






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






15. Keloid scars form due to disfunction of ____.






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






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






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






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






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






21. The two types of white blood cells:






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






23. Keloid scars forms because disfuntion of






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






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






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






27. Thrombin activates several upstream factors.






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






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






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






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






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






33. 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.






34. High conductivity - isotropic - crystalline






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






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






37. Higher Molecular weight degrades slower than ____ MW






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






39. Enzyme that really gets the polmerization going!






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






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






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






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






44. Mast cells release this






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






46. Cells that proliferate rapidly (fibroblasts)






47. List two chemical characteristics of polymers:






48. ____ are enzymes responsible for protein degradation.






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






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