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






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






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






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






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






6. Cells that proliferate rapidly (fibroblasts)






7. 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?






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






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






10. Activates tissue factors aka endothelial damage






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






12. Higher Molecular weight degrades slower than ____ MW






13. Cells that don't proliferate (neurons)






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






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






16. ____ are enzymes responsible for protein degradation.






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






18. High conductivity - isotropic - crystalline






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






20. 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.






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






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






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






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






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






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






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






28. Drawback of micromaching






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






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






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






32. This type of feedback creates






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






34. Keloid scars forms because disfuntion of






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






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






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






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






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






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






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






42. Keloid scars form due to disfunction of ____.






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






44. 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.






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






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






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






48. Mast cells release this






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






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.