Equine Physiology Workbook

PART 2

1. What is cardiac output and how is it calculated? ________________________________

2. During preload what increases the force of the next contraction?

________________________________________________________________________

3. What factors affect EDV? ___________________________________________________

4. What happens to EDV when heart rates exceed 200bpm? _________________________

5. At rest how much blood remains in the ventricles after contraction?

________________________________________________________________________

6. What is the difference between positive & negative inotropic agents?

________________________________________________________________________

7. What is afterload and what can affect it? ______________________________________

8. How is the heart rate regulated? _____________________________________________

9. Sympathetic stimulation would

the heart rate.

10. What are the main blood vessels? ____________________________________________

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