An accumulation of serous fluid in the peritoneal cavity is:

A) melena.
B) intussusception.
C) eructation.
D) ascites.

Ascites

The accumulation of fluid in the peritoneal cavity, causing abdominal swelling.

Serous Fluid

A clear, pale yellow fluid that fills the space between the membranes lining the body cavities and surrounding internal organs.

Peritoneal Cavity

The potential space within the abdomen that contains the intestines, liver, and other abdominal organs, enclosed by the peritoneum.