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






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






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






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






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






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






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






8. Cells that don't proliferate (neurons)






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






10. Keloid scars form due to disfunction of ____.






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






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






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






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






15. ____ grafts are derived from the other humans.






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






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






18. This type of feedback creates






19. Thrombin activates several upstream factors.






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






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






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






23. Activates tissue factors aka endothelial damage






24. High conductivity - isotropic - crystalline






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






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






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






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






29. 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.






30. List two chemical characteristics of polymers:






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






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






33. Keloid scars forms because disfuntion of






34. 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?






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






36. Enzyme that really gets the polmerization going!






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






38. Drawback of micromaching






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






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






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






42. 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.






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






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






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






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






47. The two types of white blood cells:






48. ____ are enzymes responsible for protein degradation.






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






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