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






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






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






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






5. Enzyme that really gets the polmerization going!






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






7. High conductivity - isotropic - crystalline






8. List two chemical characteristics of polymers:






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






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






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






12. Thrombin activates several upstream factors.






13. Drawback of micromaching






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






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






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






17. ____ are enzymes responsible for protein degradation.






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






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






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






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






22. 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.






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






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






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






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






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






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






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






30. This type of feedback creates






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






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






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






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






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






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






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






38. Essentially all metallic biomaterials are ____ - comprised of two or more metals. One of these metals is selected for its ability to support _____ - the formation of a stable oxide layer that resists further corrosion.






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






40. The two types of white blood cells:






41. 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.






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






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






44. Cells that don't proliferate (neurons)






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






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






47. Keloid scars forms because disfuntion of






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






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






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