Exam 21: Introduction to Chest Radiography

Atelectasis of which lobe is associated with the "S" sign of Golden?

Which in the following cell types is responsible for production of the surfactant that reduces alveolar surface tension, helping to maintain an open alveolar sac?

Which of the following diagnostic imaging modalities has largely replaced conventional tomograms in evaluating chest disease?

The most terminal division of the airways within the lungs are the __________.

Arrange the airways from biggest to smallest diameter.

When a chest film is properly exposed, how many posterior rib elements should be seen above the right hemidiaphragm?

Which of the following is not a typical part of the technical protocol of chest radiography?

Nonvisualization of which structure(s) necessitates repeating a PA chest radiograph?

Using the roentgenometric, not anatomic, divisions, the ________ region of the mediastinum contains the heart.

Accessory pathways of communication between adjacent alveoli are known as __________.

The lingular segment of the lung is located within the __________.

Hilum overlay sign is present when an apparent hilar mass continues to reveal a well-defined superimposed __________.

Higher partial pressures of oxygen in the upper lung segments are suspected to contribute to predilection of infection in these regions by __________.

Which term does not describe the presence of water-based pathology (i.e., blood, edema, cells, protein, pus) with the alveolar sacs of the lung parenchyma?

Which of the following is the basic functional unit of respiration within the lung?

The left lung hilum is typically located __________ than the right hilum.

Which of the following chest diseases would be best assessed with magnetic resonance imaging, as opposed to computed tomography?

A flattened appearance of the aortic knob and pulmonary trunk occurs as a result of __________ collapse.

Which of the following is the most likely explanation for a linear density paralleling the superior margin of the clavicle on PA chest radiographic examination?

The appearance of a curvilinear radiolucent defect at the periphery of a lung mass is indicative of __________.