Chapter 3: Respiratory System Test Bank MULTIPLE CHOICE 1. Which of the following terms refers to the gas exchange between the respiratory and
circulatory systems? a. Aspiration b. Diffusion c. Inhalation d. Ventilation ANS: B
REF: p. 59
2. Which of the following body structures enclose the thoracic cavity?
1. Ribs 2. Sternum 3. Thoracic vertebrae a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3 ANS: D
REF: p. 63
3. The American College of Radiology suggests that routine mobile chest radiographs are only
indicated for patients: 1. with acute cardiopulmonary conditions. 2. in the intensive care unit. 3. who are on a mechanical ventilator. a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3 ANS: B
REF: p. 66
4. The current standard of care when a pulmonary embolus is suspected is a: a. PA and lateral chest radiograph. b. thoracic computed tomographic angiogram. c. nuclear medicine ventilation and perfusion scan. d. thoracic MRI. ANS: B
REF: p. 67
5. Low oxygen levels within the arterial blood and resulting from a failure of the gas exchange
function best describes: a. hypercapnia. b. hypoxemia. c. CPAP.
