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






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






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






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






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






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






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






8. Cells that don't proliferate (neurons)






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






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






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






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






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






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






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






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






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






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






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






20. Activates tissue factors aka endothelial damage






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






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






23. List two chemical characteristics of polymers:






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






25. Keloid scars forms because disfuntion of






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






27. 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.






28. Cells that proliferate rapidly (fibroblasts)






29. High conductivity - isotropic - crystalline






30. Drawback of micromaching






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






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






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






34. ____ grafts are derived from the other humans.






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






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






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






38. This type of feedback creates






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






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






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






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






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






44. ____ are enzymes responsible for protein degradation.






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






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






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






48. Mast cells release this






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






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