PhysioEx Exercise 5 Activity 3

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West Hills College, Coalinga *

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35

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Chemistry

Date

Dec 6, 2023

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pdf

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3

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PhysioEx Lab Report Exercise 5: Cardiovascular Dynamics Activity 3: Studying the E ff ect of Blood Vessel Length on Blood Flow Rate Name: Joseph Ramirez Date: 19 October 2023 Session ID: session-cc518724-218a-f768-8473-324a02c4942a Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. Experiment Results Predict Question Stop & Think Questions When the length of the blood vessel increases, which of the following also increases? You correctly answered: both friction and surface area. 1 Blood vessel length decreases You correctly answered: when we lose weight. 2 Blood ow is You correctly answered: directly proportional to vessel radius to the fourth power. 3 Which of the following correctly describes resistance to ow? You correctly answered: Resistance to ow increases with increased vessel length. 4 Predict Question: What e ff ect do you think increasing the ow tube length will have on the uid ow rate? Your answer: The uid ow rate will decrease. 1 What is the relationship between uid ow and ow tube length? 1
Experiment Data Flow (ml/min) Radius (mm) Viscosity Length (mm) Pressure (mm Hg) 90.8 3.0 3.5 10 100 60.6 3.0 3.5 15 100 45.4 3.0 3.5 20 100 36.3 3.0 3.5 25 100 30.3 3.0 3.5 30 100 26.0 3.0 3.5 35 100 22.7 3.0 3.5 40 100 Post-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. You correctly answered: They are inversely proportional to each other. Which is more likely to occur on a daily basis? You correctly answered: changes in blood vessel diameter. 2 Increasing the ow tube length is analogous to increasing blood vessel length. How did this a ff ect the ow rate? You correctly answered: The ow rate decreased. 1 Which of the following correctly describes the relationships between blood vessel length, resistance, and blood ow? You correctly answered: Blood vessel length is directly proportional to resistance and inversely proportional to blood ow. 2 Which of the following correctly describes the relationships between blood vessel radius, resistance, and blood ow? You correctly answered: Blood vessel radius is inversely proportional to resistance and directly proportional to blood ow. 3
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