Question

multiple choice question
required ×
on a lateral chest radiograph, the mediastinum is divided into:
please select your answer...
a anterior, middle, and posterior compartments
b superior and inferior compartments only
c left and right compartments
d apex, base, and central compartments

Explanation:

On a lateral chest radiograph, the mediastinum is divided into anterior, middle, and posterior compartments. The anterior compartment is anterior to the pericardium, the middle compartment contains the heart and great vessels (within the pericardium), and the posterior compartment is posterior to the pericardium. Options B (only superior and inferior - not the standard lateral view division), C (left and right - not relevant for lateral view compartmentalization based on anatomical landmarks), and D (apex, base, central - incorrect anatomical terms for mediastinal compartments on lateral chest radiograph) are incorrect.

Answer:

A. Anterior, middle, and posterior compartments