Chapter 38: Pulmonary Circulation, Pulmonary Edema, Pleural Fluid

Chapter 38: Pulmonary Circulation, Pulmonary Edema, Pleural Fluid

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

1. A person with normal lungs has an oxygen consumption of 750 mL O₂/min. The hemoglobin concentration is 15 g/dL. The mixed venous saturation is 25%. What is the cardiac output?
2. 2,500 mL/min
3. 5,000 mL/min
4. 7,500 mL/min
5. 10,000 mL/min
6. 20,000 mL/min

ANS: B

2. Which of the following situations would be expected to decrease pulmonary vascular resistance?
3. Ascent to 15,000 ft above sea level
4. Stimulation of the sympathetics
5. Expiration to the residual volume
6. Moderate exercise

ANS: D

3. With a slow decrease in left heart function, which of the following will reduce the formation of pulmonary edema?
4. An increase in plasma protein concentration due to fluid loss
5. Increase in the negative interstitial hydrostatic pressure.
6. Increased pumping of lymphatics
7. Increase in the concentration of interstitial proteins

ANS: C

4. Which of the following circumstances might be expected to contribute to the formation of pulmonary edema?
5. Overtransfusion with plasma
6. Occlusion of the lymphatic drainage of an area of the lung
7. Right ventricular failure
8. High concentration of plasma proteins

ANS: B