Podcast
Questions and Answers
During long-term, moderate to heavy submaximal aerobic exercise, what happens to cardiac output?
During long-term, moderate to heavy submaximal aerobic exercise, what happens to cardiac output?
- It decreases
- It remains constant throughout the exercise
- It fluctuates unpredictably
- It increases rapidly at first, then plateaus and remains relatively constant (correct)
What causes the increase in cardiac output during heavy exercise?
What causes the increase in cardiac output during heavy exercise?
- Increased stroke volume and heart rate (correct)
- Increased blood flow to the muscles
- Increased stroke volume only
- Increased heart rate only
What happens to stroke volume during long-term, heavy exercise?
What happens to stroke volume during long-term, heavy exercise?
- It increases rapidly and continuously
- It decreases after approximately 50% of V. O2max is achieved (correct)
- It plateaus and remains constant throughout the exercise
- It decreases after approximately 30 minutes
What is the conventional belief about the increase in stroke volume during exercise?
What is the conventional belief about the increase in stroke volume during exercise?
What causes the increase in end-diastolic volume during exercise?
What causes the increase in end-diastolic volume during exercise?
What causes the decrease in end-systolic volume during exercise?
What causes the decrease in end-systolic volume during exercise?
What is the relationship between stroke volume and exercise intensity during long-term, heavy exercise?
What is the relationship between stroke volume and exercise intensity during long-term, heavy exercise?
What is the Frank-Starling mechanism?
What is the Frank-Starling mechanism?
What is the primary cause of the increase in end-diastolic volume during exercise?
What is the primary cause of the increase in end-diastolic volume during exercise?
What is the primary cause of the decrease in end-systolic volume during exercise?
What is the primary cause of the decrease in end-systolic volume during exercise?
What is the relationship between stroke volume and exercise duration during long-term, heavy exercise?
What is the relationship between stroke volume and exercise duration during long-term, heavy exercise?
What is the relationship between cardiac output and exercise intensity during long-term, heavy exercise?
What is the relationship between cardiac output and exercise intensity during long-term, heavy exercise?
During long-term, moderate to heavy aerobic exercise, what happens to cardiac output?
During long-term, moderate to heavy aerobic exercise, what happens to cardiac output?
What is the cause of the increase in cardiac output during heavy exercise?
What is the cause of the increase in cardiac output during heavy exercise?
What happens to stroke volume during long-term, heavy aerobic exercise?
What happens to stroke volume during long-term, heavy aerobic exercise?
At what workload does stroke volume plateau during long-term, heavy aerobic exercise?
At what workload does stroke volume plateau during long-term, heavy aerobic exercise?
During work that requires more than 50% of V. O2max, what happens to stroke volume?
During work that requires more than 50% of V. O2max, what happens to stroke volume?
What is the cause of the increase in stroke volume during aerobic exercise?
What is the cause of the increase in stroke volume during aerobic exercise?
What is the cause of the increase in end-diastolic volume during aerobic exercise?
What is the cause of the increase in end-diastolic volume during aerobic exercise?
What is the cause of the decrease in end-systolic volume during aerobic exercise?
What is the cause of the decrease in end-systolic volume during aerobic exercise?
What is the effect of heavy aerobic exercise on stroke volume past 30 minutes?
What is the effect of heavy aerobic exercise on stroke volume past 30 minutes?
What is the effect of heavy aerobic exercise on cardiac output compared to light to moderate exercise?
What is the effect of heavy aerobic exercise on cardiac output compared to light to moderate exercise?
What is the cause of the initial increase in stroke volume during aerobic exercise?
What is the cause of the initial increase in stroke volume during aerobic exercise?
What is the cause of the plateau in stroke volume during aerobic exercise?
What is the cause of the plateau in stroke volume during aerobic exercise?
