STUDY QUESTIONS for LECTURES 1-2 - 10. Describe a agar...


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STUDY QUESTIONS for Lectures 1 and 2: BIOLOGICAL CONSTRAINTS in USING BIOMATERIALS- Following the lectures the student should be able to answer the following statements and/or questions: 1. Define a medical device. Describe 4 classes of medical devices and give an example of each, describe an additional way that materials are classified. 2. Define biocompatibility, pathology, etiology, pathogenesis, pathologic findings. 3. Describe how the body responds to a biomaterial implant. 4. Explain how biomaterials are evaluated following explantation. 5. What are gross morphological findings? Microscopic findings? 6. Given a piece of liver tissue how do you process it to get a glass slide? 7. What does an H & E test tell you? Name at least three other stains and what they are used to detect. 8. Compare and contrast the advantages and disadvantages of in vitro and in vivo test 9. Define and give example(s) of in vitro, in vivo and ex vivo testing.
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Unformatted text preview: 10. Describe a agar diffusion, direct agar, elution, hemolysis and mutagenicity test 11. Name and describe at least two other in vitro assays, usually done at the research level 12. Name and describe at least two other in vivo assays, usually done at the research level 13. Name and describe at least one other ex vivo assay, usually done at the research level 14. Describe some different stains used in evaluating explanted biomaterials and surrounding tissues. 15. What are some methods for evaluating explanted biomaterials besides staining? 16. Compare and contrast the cage implant versus subcutaneous implant systems. 17. What would an ex vivo shunt test tell the investigator? 18. As a biomaterial scientist describe the sequence of events in taking a raw chemical and making a device for implantation into a human, for example, a new type of vascular graft. What do you need to do to get FDA approval?...
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