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. Cells that proliferate slowly over time (aka liver)






2. Keloid scars forms because disfuntion of






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






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






5. 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.






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






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






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






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






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






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






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






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






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






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






16. ______ Molecular weight degrades slower than lower MW






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






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






19. Cells that don't proliferate (neurons)






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






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






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






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






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






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






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






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






28. Cells that proliferate rapidly (fibroblasts)






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






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






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






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






33. 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?






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






35. The two types of white blood cells:






36. ____ grafts are derived from the other humans.






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






38. Thrombin activates several upstream factors.






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






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






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






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






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






44. Activates tissue factors aka endothelial damage






45. List two chemical characteristics of polymers:






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






47. Higher Molecular weight degrades slower than ____ MW






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






49. High conductivity - isotropic - crystalline






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