Podcast
Questions and Answers
What triggers the anticipatory rise in cardiac output?
What triggers the anticipatory rise in cardiac output?
- Increase in oxygen consumption
- Increase in physical activity
- Release of adrenaline (correct)
- Decrease in blood pressure
What effect does adrenaline have on the body during exercise?
What effect does adrenaline have on the body during exercise?
- Reduces oxygen delivery to muscles
- Lowers cardiac output
- Increases blood supply to working muscles (correct)
- Decreases heart rate
How does increased cardiac output benefit exercise performance?
How does increased cardiac output benefit exercise performance?
- Allows more oxygen to be delivered to muscles (correct)
- Reduces heart efficiency
- Increases the risk of fatigue
- Decreases blood flow to vital organs
What is the primary function of cardiovascular changes during anticipatory rise?
What is the primary function of cardiovascular changes during anticipatory rise?
Which of the following statements about oxygen delivery during exercise is true?
Which of the following statements about oxygen delivery during exercise is true?
Flashcards
Anticipatory Rise
Anticipatory Rise
A temporary increase in heart rate before exercise begins.
Adrenaline
Adrenaline
A hormone released during stress, including anticipation of exercise, that increases heart rate.
Cardiac Output
Cardiac Output
The amount of blood pumped by the heart each minute.
Increased Blood Supply to Muscles
Increased Blood Supply to Muscles
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Oxygen Delivery to Muscles
Oxygen Delivery to Muscles
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Study Notes
Anticipatory Rise
- An anticipatory rise is triggered by adrenaline release.
- Adrenaline increases cardiac output.
- Increased cardiac output boosts blood supply to working muscles.
- This improved blood flow delivers more oxygen to the working muscles.
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