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






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






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






5. Drawback of micromaching






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






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






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






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






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






11. Thrombin activates several upstream factors.






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






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






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






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






16. The two types of white blood cells:






17. Enzyme that really gets the polmerization going!






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






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






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






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






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






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






24. Cells that don't proliferate (neurons)






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






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






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






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






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






30. List two chemical characteristics of polymers:






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






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






33. Keloid scars forms because disfuntion of






34. ____ grafts are derived from the other humans.






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






36. Keloid scars form due to disfunction of ____.






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






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






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






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






41. Activates tissue factors aka endothelial damage






42. ____ are enzymes responsible for protein degradation.






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






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






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






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






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






48. ______ Molecular weight degrades slower than lower MW






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






50. This type of feedback creates