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






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






3. The two types of white blood cells:






4. High conductivity - isotropic - crystalline






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






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






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






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






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






10. ______ Molecular weight degrades slower than lower MW






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






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






13. 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.






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






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






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






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






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






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






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






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






22. Cells that proliferate rapidly (fibroblasts)






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






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






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






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






27. 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?






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






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






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






31. Higher Molecular weight degrades slower than ____ MW






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






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






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






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






36. 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.






37. Thrombin activates several upstream factors.






38. Enzyme that really gets the polmerization going!






39. Mast cells release this






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






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






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






43. This type of feedback creates






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






45. Drawback of micromaching






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






47. Keloid scars forms because disfuntion of






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






49. Keloid scars form due to disfunction of ____.






50. Cells that don't proliferate (neurons)