Podcast
Questions and Answers
What is the primary factor that determines cardiac preload?
What is the primary factor that determines cardiac preload?
- Venous return (correct)
- Aortic blood pressure
- Peripheral vascular resistance
- Heart rate
What is the term for the increase in cardiac output in response to increased venous return?
What is the term for the increase in cardiac output in response to increased venous return?
- Bowditch effect
- Frank-Starling effect (correct)
- Heterometric regulation
- Homeometric regulation
Which type of regulation is determined by the stretch of ventricular fibers in diastole?
Which type of regulation is determined by the stretch of ventricular fibers in diastole?
- Homeometric regulation
- Heterometric regulation (correct)
- Intrinsic regulation
- Extrinsic regulation
What is the term for the load the heart experiences during contraction?
What is the term for the load the heart experiences during contraction?
Which of the following is NOT a factor that determines intrinsic regulation of the heart?
Which of the following is NOT a factor that determines intrinsic regulation of the heart?
What is the primary factor that determines cardiac afterload?
What is the primary factor that determines cardiac afterload?
Which type of regulation is determined by the heart rate?
Which type of regulation is determined by the heart rate?
What is the term for the effect of increased heart rate on cardiac output?
What is the term for the effect of increased heart rate on cardiac output?
Which of the following is an example of intrinsic regulation of the heart?
Which of the following is an example of intrinsic regulation of the heart?
What is the term for the regulation of cardiac output in response to changes in venous return and cardiac afterload?
What is the term for the regulation of cardiac output in response to changes in venous return and cardiac afterload?
