The Cardiac System
Practice Quiz A-08
Practice Quiz A-08
1. Into what chamber of the heart does de-oxygenated blood from the peripheral vascular system enter?
2. Blood passes through what valve from the right atrium to enter the right ventricle?
3. Which blood vessel carries de-oxygenated blood from the heart to the lungs?
4. Into what chamber of the heart does oxygenated blood from the pulmonary vasculature system enter?
5. Blood passes through what valve from the left atrium to enter the left ventricle?
6. Which blood vessel carries oxygenated blood from the heart to the body?
7. Which chamber of the heart has the thickest and strongest muscular walls for pumping into a high pressure system?
8. The pacemaker cells of the heart have a unique property known as autorhythmicity.
9. Pacemaker cells respond to what branch of the nervous system for regulating heart rate?
10. The specialized myocardial conducting (pacemaker) cells have very few of the myofibrils and filaments needed for contraction.
- A. Right Atrium
- B. Right Ventricle
- C. Left Atrium
- D. Left Ventricle
2. Blood passes through what valve from the right atrium to enter the right ventricle?
- A. Aortic Valve
- B. Pulmonary Valve
- C. Tricuspid Valve
- D. Mitral Valve
3. Which blood vessel carries de-oxygenated blood from the heart to the lungs?
- A. Vena Cava
- B. Aorta
- C. Pulmonary Vein
- D. Pulmonary Artery
4. Into what chamber of the heart does oxygenated blood from the pulmonary vasculature system enter?
- A. Right Atrium
- B. Right Ventricle
- C. Left Atrium
- D. Left Ventricle
5. Blood passes through what valve from the left atrium to enter the left ventricle?
- A. Aortic Valve
- B. Pulmonary Valve
- C. Tricuspid Valve
- D. Mitral Valve
6. Which blood vessel carries oxygenated blood from the heart to the body?
- A. Vena Cava
- B. Aorta
- C. Pulmonary Vein
- D. Pulmonary Artery
7. Which chamber of the heart has the thickest and strongest muscular walls for pumping into a high pressure system?
- A. Right Atrium
- B. Right Ventricle
- C. Left Atrium
- D. Left Ventricle
8. The pacemaker cells of the heart have a unique property known as autorhythmicity.
- A. True
- B. False
9. Pacemaker cells respond to what branch of the nervous system for regulating heart rate?
- A. Somatic Nervous System
- B. Autonomic Nervous System
- C. Central Nervous System
- D. Peripheral Nervous System
10. The specialized myocardial conducting (pacemaker) cells have very few of the myofibrils and filaments needed for contraction.
- A. True
- B. False
The correct answers are:
1-A, 2-C, 3-D, 4-C, 5-D, 6-B, 7-D, 8-A, 9-B, 10-A
1-A, 2-C, 3-D, 4-C, 5-D, 6-B, 7-D, 8-A, 9-B, 10-A