Exercise 5: Cardiovascular Dynamics: Activity 6: Studying the Effect of Stroke Volume on Pump Activity Lab Report
Pre-lab Quiz Results
You scored 100% by answering 5 out of 5 questions correctly.
1. Which of the following variables directly contributes to preload?
You correctly answered: b. venous return
2. Which of the following would not increase end diastolic volume?
You correctly answered: c. dehydration
3. Increased contractility of the heart results in all but which of the following?
You correctly answered: d. increased end systolic volume
4. Which of the following does not affect stroke volume?
You correctly answered: d. All of these affect stroke volume.
5. Which of the following is not equivalent to the others?
You correctly answered: c. end diastolic volume
Post-lab Quiz Results
You scored 25% by answering 1 out of 4 questions correctly.
1. What do you think would happen when stroke volume is decreased?
Your answer: d. Blood flow would decrease.
Correct answer: b. Pump rate would increase.
2. Why might an athlete's resting heart rate be lower than that of the average person?
Your answer: c. Stroke volume has increased.
Correct answer: e. Stroke volume and contractility have increased.
3. In this activity, which of the following stayed constant?
You correctly answered: c. flow rate
4. Which of the following is true?
Your answer: b. SV = ESV - EDV
Correct answer: d. ESV = EDV - SV
Quick Reply
