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






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






3. Drawback of micromaching






4. This type of feedback creates






5. Higher Molecular weight degrades slower than ____ MW






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






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






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






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






10. Cells that don't proliferate (neurons)






11. Keloid scars forms because disfuntion of






12. Keloid scars form due to disfunction of ____.






13. ____ are enzymes responsible for protein degradation.






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






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






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






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






18. Mast cells release this






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






20. Activates tissue factors aka endothelial damage






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






22. Thrombin activates several upstream factors.






23. The two types of white blood cells:






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






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






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






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






28. List two chemical characteristics of polymers:






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






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






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






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






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






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






35. High conductivity - isotropic - crystalline






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






37. Cells that proliferate rapidly (fibroblasts)






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






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






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






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






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






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






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






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






47. 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.






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






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






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