4 The opening of the blood vessel where the blood \ufb02 ows is called the Your

4 the opening of the blood vessel where the blood fl

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4 The opening of the blood vessel where the blood ows is called the Your answer: valve. Correct answer: lumen. 5
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2020-01-21, 12’07 AM PhysioEx Exercise 5 Activity 1 Page 2 of 4 Predict Questions Stop & Think Questions Experiment Data Flow Rate (ml/min) Radius (mm) Viscosity Length (mm) Pressure (mm Hg) 4.0 1.5 1.0 50 100 12.6 2.0 1.0 50 100 30.7 2.5 1.0 50 100 63.6 3.0 1.0 50 100 117.8 3.5 1.0 50 100 201.0 4.0 1.0 50 100 321.9 4.5 1.0 50 100 490.6 5.0 1.0 50 100 Predict Question 1: What do you think will happen to the ow rate if the radius is increased by 0.5 mm? Your answer: The ow rate will increase. 1 Predict Question 2: Do you think a graph plotted with radius on the X-axis and ow rate on the Y-axis will be linear (a straight line)? Your answer: yes. 2 What is the driving force for blood ow? You correctly answered: pressure gradient. 1 How does the body increase the blood vessel radius? Your answer: cardiac muscle relaxation. Correct answer: smooth muscle relaxation. 2
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2020-01-21, 12’07 AM PhysioEx Exercise 5 Activity 1 Page 3 of 4 Post-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. Review Sheet Results The variable that you altered in this activity was You correctly answered: vessel radius.
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  • Fall '19
  • Cindy Penney
  • Blood vessel, session ID

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