Exercise 5: Cardiovascular Dynamics: Activity 1: Studying the Effect of Blood Vessel Radius on Blood Flow Rate Lab Report
Pre-lab Quiz Results
You scored 100% by answering 5 out of 5 questions correctly.
1. Blood flow is measured in
You correctly answered: b. ml/min.
2. Which of the following has the greatest effect on blood flow?
You correctly answered: a. blood vessel radius
3. Which of the following would not result in a decrease in the blood vessel radius?
You correctly answered: c. vasodilation
4. The diameter of the blood vessel is the same as
You correctly answered: b. 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: b. lumen.
Post-lab Quiz Results
You scored 75% by answering 3 out of 4 questions correctly.
1. The variable that you altered in this activity was
You correctly answered: c. vessel radius.
2. Vessel radius and fluid flow
Your answer: a. are inversely proportional.
Correct answer: b. are directly proportional.
3. After a heavy meal, when we are relatively inactive, we might expect blood vessels in the skeletal muscles to be
somewhat __________ and the blood vessels in the digestive organs to be somewhat __________.
You correctly answered: d. constricted, dilated
4. When you increased the flow tube radius, the fluid flow rate
You correctly answered: a. increased.
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