Chapter 09: Cardiac Muscle; The Heart as a Pump and Function of the Heart Valves

Chapter 09: Cardiac Muscle; The Heart as a Pump and Function of the Heart Valves

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

1. What is his resting cardiac output in ml/minute?
2. 900

1. 8,000

1. 9,000
2. 10,000

1. 15,000

ANS: C

2. What event occurs at point D in the man’s pressure-volume relationship?

1. A-V valves close
2. Aortic valve opens
3. Aortic valve closes
4. A-V valves open
5. Third heart sound

ANS: C

3. What is his ventricular ejection fraction?
4. 33%

1. 50%

1. 60%
2. 67%

1. 80%

ANS: D

4. Which of the following will result in spastic contraction of the heart?

1. Excess calcium ions in the blood
2. Excess potassium ions in the blood
3. Excess sodium ions in the blood
4. Decreased sympathetic stimulation
5. Decreased norepinephrine concentration in the blood

ANS: A