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






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






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






4. Drawback of micromaching






5. ____ grafts are derived from the other humans.






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






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






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






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






10. Keloid scars form due to disfunction of ____.






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






12. 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?






13. 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.






14. Higher Molecular weight degrades slower than ____ MW






15. Cells that proliferate rapidly (fibroblasts)






16. 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.






17. Mast cells release this






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






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






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






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






22. Thrombin activates several upstream factors.






23. Enzyme that really gets the polmerization going!






24. This type of feedback creates






25. Cells that don't proliferate (neurons)






26. 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.






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






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






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






30. Keloid scars forms because disfuntion of






31. ______ Molecular weight degrades slower than lower MW






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






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






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






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






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






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






38. High conductivity - isotropic - crystalline






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






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






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






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






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






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






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






46. List two chemical characteristics of polymers:






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






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






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






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