5 Questions
What is the normal cardiac output at rest?
5 L/min
What is the definition of cardiac output (C.O)?
The volume of blood flow ejected from the right or left ventricle per minute.
Which factor affects venous return?
Blood pressure in the vena cava
What is the normal stroke volume at rest?
70 ml/beat
What is stroke volume?
The volume of blood ejected from each ventricle per beat.
Study Notes
Cardiac Output
- Cardiac output (C.O) is the volume of blood pumped by the heart per minute, measured in liters per minute (L/min).
- Normal cardiac output at rest is approximately 5 liters per minute (L/min).
Stroke Volume
- Stroke volume is the volume of blood pumped by the heart with each beat, measured in milliliters (mL).
- Normal stroke volume at rest is approximately 70 milliliters (mL).
Factors Affecting Venous Return
- Venous return is affected by the pressure gradient between the venules and the right atrium.
- Other factors that affect venous return include blood volume, vascular resistance, and the pumping action of the skeletal muscles.
Test your knowledge of cardiac output with this quiz covering important concepts, formulas, and numerical calculations. This quiz will help you review and understand the key principles of cardiovascular physiology.
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