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New Mexico State University BIO 226 PhysioEx Lab Report Exercise 5: Cardiovascular Dynamics Activity 5: Studying the E?ect of Blood Vessel Radius on Pump Activity Date: 20 September 2019 Pre-lab Quiz Results 1)The heart is resting during The right side of the heart pumps blood The layer of the blood vessel that is stimulated by the autonomic nervous system is In the experiment, the pump simulates If the right beaker simulates the ?ow of blood to the systemic circuit of the body, what do the right valve and ?ow tube represent? Experiment Results Predict Question 1 Predict Question: If you increase the ?ow tube radius, what will happen to the pump rate to maintain constant pressure? Stop & Think Questions When the piston of the pump reaches its lowest point, the volume remaining in the pump is the If you increase the right ?ow tube radius, what will happen to resistance and ?ow rate? If the left ?ow tube represents the pulmonary veins, what does the left source beaker represent? Experiment Data Flow (ml/min) Rad
New Mexico State University
BIO 226
PhysioEx Lab Report
Exercise 5: Cardiovascular Dynamics
Activity 5: Studying the E?ect of Blood Vessel Radius on Pump Activity
Date: 20 September 2019
Pre-lab Quiz Results
1)The heart is resting during
- The right side of the heart pumps blood
- The layer of the blood vessel that is stimulated by the autonomic nervous system is
- In the experiment, the pump simulates
- If the right beaker simulates the ?ow of blood to the systemic circuit of the body, what do the right valve and ?ow tube represent?
Experiment Results
Predict Question
1 Predict Question: If you increase the ?ow tube radius, what will happen to the pump rate to maintain constant pressure?
Stop & Think Questions
- When the piston of the pump reaches its lowest point, the volume remaining in the pump is the
- If you increase the right ?ow tube radius, what will happen to resistance and ?ow rate?
- If the left ?ow tube represents the pulmonary veins, what does the left source beaker represent?
Experiment Data
|
Flow (ml/min) |
Rad. L (mm) |
Rad. R (mm) |
Str. V (ml) |
Rate (strokes /min) |
Press. L (mm Hg) |
Press. Dif. R (mm Hg) |
|
6607.2 |
3.5 |
3.0 |
70 |
94.4 |
40 |
40 |
|
9423.9 |
3.5 |
3.5 |
70 |
134.6 |
40 |
40 |
|
11882.5 |
3.5 |
4.0 |
70 |
169.8 |
40 |
40 |
|
13798.3 |
3.5 |
4.5 |
70 |
197.1 |
40 |
40 |
|
15198.7 |
3.5 |
5.0 |
70 |
217.1 |
40 |
40 |
|
Post-lab Quiz Results
- The pump piston in the simulation is up during
- The pump in the simulation represents the
- The amount of blood ?owing into the destination beaker (right beaker) with a single pump is called the
- In this experiment, the increase in right ?ow tube radius resulted in
- Which chamber should be present in the ?ow pattern of the experiment, given that the vessels and valves surrounding it are present (the chamber was omitted from the experiment for simplicity)?
Review Sheet Results
- Explain the e?ect of increasing the right ?ow tube radius on the ?ow rate, resistance, and pump rate.
- Describe what the left and right beakers in the experiment correspond to in the human heart.
- Brie?y describe how the human heart could compensate for ?ow rate changes to maintain blood pressure.
Expert Solution
PFA
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