The correct answer is choice E) Signs of peritonitis.

Peritonitis is an inflammation of the lining of the abdominal cavity that can be caused by an infection or a perforation of an organ.

It can cause severe abdominal pain and tenderness, fever, nausea, vomiting, and decreased bowel sounds. Peritonitis is a medical emergency that requires immediate treatment with antibiotics and surgery

Choice A) Bowel sounds is wrong because bowel sounds are normal and expected after a cesarean section.

They indicate that the intestines are functioning properly and moving food and gas through the digestive tract. Bowel sounds may be decreased or absent if there is an obstruction, ileus, or peritonitis

Choice B) Lochia amount is wrong because lochia is the vaginal discharge that occurs after childbirth.

It consists of blood, mucus, and tissue from the uterus.

Lochia amount is not related to abdominal pain and tenderness after a cesarean section.

Lochia amount may vary depending on the stage of lochia (rubra, serosa