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






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






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






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






5. Thrombin activates several upstream factors.






6. 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?






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






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






9. This type of feedback creates






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






11. Enzyme that really gets the polmerization going!






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






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






14. Higher Molecular weight degrades slower than ____ MW






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






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






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






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






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






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






21. 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.






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






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






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






25. The two types of white blood cells:






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






27. Drawback of micromaching






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






29. List two chemical characteristics of polymers:






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






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






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






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






34. Activates tissue factors aka endothelial damage






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






36. 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.






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






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






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






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






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






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






43. Keloid scars form due to disfunction of ____.






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






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






46. Cells that don't proliferate (neurons)






47. High conductivity - isotropic - crystalline






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






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






50. Cells that proliferate rapidly (fibroblasts)







Sorry!:) No result found.

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