Increasing the flow tube length is analogous to

1. Increasing the flow tube length is analogous to increasing blood vessel
length. How did this affect the flow rate? You correctly answered: b. The
2. Which of the following correctly describes the relationships between
blood vessel length, resistance, and blood flow? You correctly answered: c.
3. Which of the following correctly describes the relationships between
blood vessel radius, resistance, and blood flow? Your answer: c. Blood
4. Which of the following describes why the body might require an increase
in vessel radius?You correctly answered: a. to provide more blood flow
Exercise 5: Cardiovascular Dynamics: Activity 4: Studying the Effect of
Blood Pressure on Blood Flow Rate Lab Report
Pre-lab Quiz ResultsYou scored 100% by answering 4 out of 4 questions
correctly.
1. Pressure changes in the cardiovascular system primarily result from You

2. What is the driving force for blood flow? You correctly answered: d.
3. Which of the following is directly proportional to blood flow?You correctly
4. Arteries close to the heart need to be able to compensate for You
Experiment ResultsPredict Question:Predict Question 1: What effect do
you think increasing the pressure will have on the fluid flow rate? Your
Predict Question 2: Do you think a graph plotted with pressure on the X-
axis and flow rate on the Y-axis will be linear (a straight line)?Your answer :
Experiment Data:
Flow (ml/min) Radius (mm) Viscosity Length (mm)
Pressure (mm
Hg)
35.0 5.0 3.5 50 25
70.1 5.0 3.5 50 50
105.1 5.0 3.5 50 75
140.2 5.0 3.5 50 100
175.2 5.0 3.5 50 125
210.3 5.0 3.5 50 150
245.3 5.0 3.5 50 175
280.4 5.0 3.5 50 200

Post-lab Quiz ResultsYou scored 100% by answering 4 out of 4 questions
correctly.