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






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






3. The two types of white blood cells:






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






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






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






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






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






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






10. Higher Molecular weight degrades slower than ____ MW






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






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






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






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






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






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






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






18. This type of feedback creates






19. Keloid scars forms because disfuntion of






20. Cells that don't proliferate (neurons)






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






22. ____ are enzymes responsible for protein degradation.






23. ____ grafts are derived from the other humans.






24. 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.






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






26. High conductivity - isotropic - crystalline






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






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






29. Keloid scars form due to disfunction of ____.






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






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






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






33. List two chemical characteristics of polymers:






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






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






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






37. ______ Molecular weight degrades slower than lower MW






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






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






40. 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?






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






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






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






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






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






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






47. 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.






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






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






50. Thrombin activates several upstream factors.