exam%202%20bi80%202006

exam%202%20bi80%202006 - NAME ID BI080 Exam 2 Please write...

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NAME _______________________ ID #______________ BI080 Exam 2 October 31, 2006 Please write your name on every page of the exam and your ID number on this first page. There are a total of 100 points. Multiple-choice are worth 3 points each. Point allocations for the short answer section are noted next to each question. Please confine your answers to the space provided for the written responses. Good Luck. 1. Compared to the systemic circulation, the pulmonary circulation has a) veins with higher oxygen levels b) a higher blood pressure. c) a smaller cardiac output d) More than one of the above. 2. Ventricular muscle cells in the septum of the heart a) depolarize first and repolarize first b) depolarize first and repolarize last c) have shorter calcium plateaus than muscle cells near the outside top of the ventricle d) More than one of the above 3. A malfunctioning left atrioventricular valve that did not close fully would result in a 4. Repolarization of a ventricular muscle cell is caused by
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