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






2. 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.






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






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






5. Mast cells release this






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






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






8. ____ grafts are derived from the other humans.






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






10. This type of feedback creates






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






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






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






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






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






16. Drawback of micromaching






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






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






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






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






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






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






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






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






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






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






27. Thrombin activates several upstream factors.






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






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






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






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






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






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






34. Higher Molecular weight degrades slower than ____ MW






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






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






37. Enzyme that really gets the polmerization going!






38. Cells that don't proliferate (neurons)






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






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






41. Cells that proliferate rapidly (fibroblasts)






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






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






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






45. Keloid scars form due to disfunction of ____.






46. The two types of white blood cells:






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






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






49. Keloid scars forms because disfuntion of






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