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Questions and Answers
Which factor largely determines myocardial contractility?
Which factor largely determines myocardial contractility?
- Stroke volume
- Heart rate
- Cardiac output
- Force with which the ventricles contract (correct)
What is the average cardiac output for the average person based on the given values?
What is the average cardiac output for the average person based on the given values?
- 7 L/min
- 4.9 L/min (correct)
- 700 mL/min
- 49 mL/min
What is the formal definition of preload?
What is the formal definition of preload?
- Amount of tension applied to a muscle before contraction (correct)
- Amount of tension applied to a muscle during contraction
- Amount of tension applied to a muscle after contraction
- Force with which the ventricles contract
What factors determine stroke volume?
What factors determine stroke volume?
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