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. Condition in which patients can literally bleed to death.






2. This type of feedback creates






3. Which of polyermization (condensation/free radical) would you choose to obtain a polymer of high molecular weight?






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






5. Cells that don't proliferate (neurons)






6. Keloid scars forms because disfuntion of






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






8. Keloid scars form due to disfunction of ____.






9. The two types of white blood cells:






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






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






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






13. High conductivity - isotropic - crystalline






14. ____ grafts are derived from the other humans.






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






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






17. 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.






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






19. Cells that proliferate rapidly (fibroblasts)






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






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






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






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






25. Mast cells release this






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






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






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






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






30. ____ are enzymes responsible for protein degradation.






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






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






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






34. List two chemical characteristics of polymers:






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






36. 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?






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






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






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






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






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






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






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






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






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






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






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






48. ______ Molecular weight degrades slower than lower MW






49. Thrombin activates several upstream factors.






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