Podcast
Questions and Answers
Which of the following is NOT a component of the cardiovascular system?
Which of the following is NOT a component of the cardiovascular system?
- Blood vessels
- Lungs (correct)
- Blood
- Heart
What is the function of blood vessels in the cardiovascular system?
What is the function of blood vessels in the cardiovascular system?
- To receive blood as it returns to the heart
- To carry oxygen and nutrients to the body's cells
- To ensure each capillary bed receives fresh blood (correct)
- To pump blood away from the heart
How does blood flow through the systemic circuit differ from blood flow through the heart?
How does blood flow through the systemic circuit differ from blood flow through the heart?
- Blood flow through the systemic circuit is in series
- Blood flow through the systemic circuit is in a random pattern
- Blood flow through the systemic circuit is in a circular pattern
- Blood flow through the systemic circuit is in parallel (correct)
During ventricular contraction, the papillary muscles (relax/contract).
During ventricular contraction, the papillary muscles (relax/contract).
If end-diastolic volume does not change but end-systolic volume decreases, stroke volume (increases/decreases).
If end-diastolic volume does not change but end-systolic volume decreases, stroke volume (increases/decreases).
If end-diastolic volume does not change but end-systolic volume decreases, ejection fraction (increases/decreases).
If end-diastolic volume does not change but end-systolic volume decreases, ejection fraction (increases/decreases).
If sympathetic and parasympathetic inputs are constant and end-diastolic volume increases, contractility of the ventricular myocardium (increases/decreases).
If sympathetic and parasympathetic inputs are constant and end-diastolic volume increases, contractility of the ventricular myocardium (increases/decreases).
Which of the following is true about the electrocardiogram (ECG)?
Which of the following is true about the electrocardiogram (ECG)?
Which valves in the heart allow blood to flow from atrium to ventricle?
Which valves in the heart allow blood to flow from atrium to ventricle?
What is the mean arterial pressure (MAP)?
What is the mean arterial pressure (MAP)?
What is the stroke volume (SV)?
What is the stroke volume (SV)?
Which of the following factors does NOT affect stroke volume?
Which of the following factors does NOT affect stroke volume?
When does the minimum aortic pressure occur during the cardiac cycle?
When does the minimum aortic pressure occur during the cardiac cycle?
What is the first heart sound associated with?
What is the first heart sound associated with?
Which of the following is true about the QRS complex of the ECG?
Which of the following is true about the QRS complex of the ECG?
