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. Mast cells release this






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






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






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






5. ____ are enzymes responsible for protein degradation.






6. The two types of white blood cells:






7. Cells that don't proliferate (neurons)






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






9. 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.






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






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






12. This type of feedback creates






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






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






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






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






17. 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.






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






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






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






21. Higher Molecular weight degrades slower than ____ MW






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






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






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






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






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






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






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






29. High conductivity - isotropic - crystalline






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






31. Keloid scars forms because disfuntion of






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






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






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






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






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






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






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






39. Activates tissue factors aka endothelial damage






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






41. ______ Molecular weight degrades slower than lower MW






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






43. Cells that proliferate rapidly (fibroblasts)






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






45. Enzyme that really gets the polmerization going!






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






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






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






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






50. Drawback of micromaching