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






2. 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.






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






4. ______ Molecular weight degrades slower than lower MW






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






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






7. Cells that don't proliferate (neurons)






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






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






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






11. 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.






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






13. Keloid scars forms because disfuntion of






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






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






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






17. ____ grafts are derived from the other humans.






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






19. High conductivity - isotropic - crystalline






20. 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?






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






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






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






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






25. Enzyme that really gets the polmerization going!






26. Keloid scars form due to disfunction of ____.






27. Activates tissue factors aka endothelial damage






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






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






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






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






32. Cells that proliferate rapidly (fibroblasts)






33. The two types of white blood cells:






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






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






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






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






38. Mast cells release this






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






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






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






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






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






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






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






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






47. This type of feedback creates






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






49. Thrombin activates several upstream factors.






50. ____ are enzymes responsible for protein degradation.