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






2. Enzyme that really gets the polmerization going!






3. 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.






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






5. Keloid scars forms because disfuntion of






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






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






8. Drawback of micromaching






9. 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.






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






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






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






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






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






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






16. Activates tissue factors aka endothelial damage






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






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






19. ______ Molecular weight degrades slower than lower MW






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






21. High conductivity - isotropic - crystalline






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






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






24. ____ are enzymes responsible for protein degradation.






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






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






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






28. List two chemical characteristics of polymers:






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






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






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






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






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






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






35. 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.






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






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






38. Thrombin activates several upstream factors.






39. Higher Molecular weight degrades slower than ____ MW






40. Mast cells release this






41. Cells that proliferate rapidly (fibroblasts)






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






43. 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?






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






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






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






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






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






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






50. This type of feedback creates