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






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






3. High conductivity - isotropic - crystalline






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






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






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






7. Enzyme that really gets the polmerization going!






8. Keloid scars form due to disfunction of ____.






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






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






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






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






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






14. Higher Molecular weight degrades slower than ____ MW






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






16. Drawback of micromaching






17. Cells that proliferate rapidly (fibroblasts)






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






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






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






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






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






23. This type of feedback creates






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






25. ____ are enzymes responsible for protein degradation.






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






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






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






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






30. 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.






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






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






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






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






35. ______ Molecular weight degrades slower than lower MW






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






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






38. List two chemical characteristics of polymers:






39. ____ grafts are derived from the other humans.






40. 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?






41. Activates tissue factors aka endothelial damage






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






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






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






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






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






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






48. Cells that don't proliferate (neurons)






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






50. Keloid scars forms because disfuntion of