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






2. Enzyme that really gets the polmerization going!






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






4. 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.






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






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






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






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






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






10. Drawback of micromaching






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






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






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






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






15. 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.






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






17. 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?






18. Activates tissue factors aka endothelial damage






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






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






21. ______ Molecular weight degrades slower than lower MW






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






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






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






25. This type of feedback creates






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






27. Mast cells release this






28. High conductivity - isotropic - crystalline






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






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






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






32. Keloid scars forms because disfuntion of






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






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






35. ____ are enzymes responsible for protein degradation.






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






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






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






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






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






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






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






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






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






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






46. ____ grafts are derived from the other humans.






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






48. Cells that don't proliferate (neurons)






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






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