The Central Region of the Thoracic Cavity Containing the Heart

Question

The central region of the thoracic cavity containing the heart is called the ________.
A) pleural cavity
B) mediastinum
C) quadrant
D) visceral cavity

Accepted Answer

The mediastinum is the central region of the thoracic cavity containing the heart. The pleural cavity contains the lungs, a quadrant is a division of the abdomen, and the visceral cavity refers to the internal organs as a whole. Therefore, the best choice is B.