Podcast
Questions and Answers
What is the term for the contraction of the ventricles?
What is the term for the contraction of the ventricles?
- Isovolumetric relaxation
- Systole (correct)
- Diastole
- Ventricular depolarization
What is the formula for calculating cardiac output?
What is the formula for calculating cardiac output?
- CO = HR - SV
- CO = HR / SV
- CO = HR + SV
- CO = HR x SV (correct)
What percentage of total blood volume is pumped out of the ventricles during each beat?
What percentage of total blood volume is pumped out of the ventricles during each beat?
- 70%
- 50%
- 60% (correct)
- 40%
What is the term for the degree of stretch of cardiac muscle fibers?
What is the term for the degree of stretch of cardiac muscle fibers?
What is the result of increased contractility in the heart?
What is the result of increased contractility in the heart?
What is the term for the pressure that the ventricles must overcome to eject blood?
What is the term for the pressure that the ventricles must overcome to eject blood?
Which structure separates the right and left atria?
Which structure separates the right and left atria?
What is the outer, thin membrane fused to the heart?
What is the outer, thin membrane fused to the heart?
What is the function of the chordae tendineae?
What is the function of the chordae tendineae?
Which valve is located between the left atrium and left ventricle?
Which valve is located between the left atrium and left ventricle?
What is the purpose of the sinoatrial (SA) node?
What is the purpose of the sinoatrial (SA) node?
What is the name of the bundle that connects the atria and ventricles?
What is the name of the bundle that connects the atria and ventricles?
What is the name of the wave that represents ventricular depolarization on an electrocardiogram?
What is the name of the wave that represents ventricular depolarization on an electrocardiogram?
What is the name of the sac that surrounds the heart?
What is the name of the sac that surrounds the heart?
What is the name of the valve that separates the right ventricle from the pulmonary trunk?
What is the name of the valve that separates the right ventricle from the pulmonary trunk?
What is the name of the layer of tissue that lines the heart chambers?
What is the name of the layer of tissue that lines the heart chambers?
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