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






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






3. Thrombin activates several upstream factors.






4. Activates tissue factors aka endothelial damage






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






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






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






8. 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.






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






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






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






12. Mast cells release this






13. Drawback of micromaching






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






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






16. Enzyme that really gets the polmerization going!






17. The two types of white blood cells:






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






19. 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.






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






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






22. ____ grafts are derived from the other humans.






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






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






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






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






27. 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.






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






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






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






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






32. Higher Molecular weight degrades slower than ____ MW






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






34. Cells that don't proliferate (neurons)






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






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






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






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






39. ______ Molecular weight degrades slower than lower MW






40. High conductivity - isotropic - crystalline






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






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






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






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






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






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






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






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






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






50. Cells that proliferate rapidly (fibroblasts)