BIO 202 PhysioEx Lab Report Exercise 5: Cardiovascular Dynamics Activity 1: Studying the Effect of Blood Vessel Radius on Blood Flow Rate

2/12/26, 4:01 PM PhysioEx Exercise 5 Activity 1



PhysioEx Lab Report
Exercise 5: Cardiovascular Dynamics
Activity 1: Studying the Effect of Blood Vessel Radius on Blood Flow Rate
Name: Morris
Date: 12 February 2026
Session ID: session

Pre-lab Quiz Results
You scored 100% by answering 5 out of 5 questions correctly.

1 Blood flow is measured in

You correctly answered: ml/min.

2 Which of the following has the greatest effect on blood flow?

You correctly answered: blood vessel radius.

3 Which of the following would not result in a decrease in the blood vessel radius?

You correctly answered: vasodilation.

4 The diameter of the blood vessel is the same as

You correctly answered: two times the radius of the blood vessel.

5 The opening of the blood vessel where the blood flows is called the

You correctly answered: lumen.


Experiment Results
Predict Questions
1 Predict Question 1: What do you think will happen to the flow rate if the radius is increased
by 0.5 mm?

Your answer: The flow rate will increase.

2 Predict Question 2: Do you think a graph plotted with radius on the X-axis and flow rate on
the Y-axis will be linear (a straight line)?

Your answer: no.

Stop & Think Questions

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