QUIZ1model - MTX105 QUIZ 1 6th October 2006 Your Name Give...

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MTX105 QUIZ 1 6 th October 2006 Your Name: Give me a codename known only to you, that I can use to list your grades on the web, e.g. "rumplestiltskin" Codename: All parts count equal Answer in short sentences, equations or phrases. Heart Valves 1. There are roughly 300 Million Americans and 40,000 get killed on the roads each year. Roughly what is your chance of getting killed in a road accident each year? (As “one in XXXX”) one in 750 2. How many chambers does your heart have? 4 3. How many valves does your heart have? 4 4. How many heart valve operations are there each year? 250,000 5. What is this? Porcine or human replacement valve 6. Number in order from smallest to largest (1 to 5) Meter Gigameter Micrometer Megameter Nanometer 3 5 2 4 1 7 . The fundamental units of the US/Imperial system are feet, pounds and seconds. What are they in the international (SI) system? mks, meters kilogram seconds 8. What are the fundamental units in the MKS system? same 9. There are essentially four types of replacement heart valve that can be used, what are they? autograft from self allograft from cadaver heterograft from animal artificial
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10. What are the special problems in replacing the heart valve of a child? children grow and only an autograft can. otherwise have to re-operate several times 11. What is done the reduce the risk of clotting with a mechanical heart valve? coumadin/warfarin is used to limit clotting
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QUIZ1model - MTX105 QUIZ 1 6th October 2006 Your Name Give...

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