PEX-05-03 - Exercise 5: Cardiovascular Dynamics: Activity...

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Exercise 5: Cardiovascular Dynamics: Activity 3: Studying the Effect of Blood Vessel Length on Blood Flow Rate Lab Report Pre-lab Quiz Results You scored 50% by answering 2 out of 4 questions correctly. 1. When the length of the blood vessel increases, which of the following also increases? Your answer : b. friction Correct answer: d. both friction and surface area 2. Blood vessel length decreases You correctly answered: c. when we lose weight. 3. Blood flow is Your answer : a. inversely proportional to vessel radius. Correct answer: b. directly proportional to vessel radius to the fourth power. 4. Which of the following correctly describes resistance to flow? You correctly answered: a. Resistance to flow increases with increased vessel length. 010/14/11 page 1
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010/14/11 page 2 Experiment Results Predict Question: Predict Question: What effect do you think increasing the flow tube length will have on the fluid flow rate? Your answer : c. The fluid flow rate will decrease.
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PEX-05-03 - Exercise 5: Cardiovascular Dynamics: Activity...

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