**Core Concept**
Prolonged post-operative ileus (POI) is a condition where there is a temporary cessation of the normal contractions of the bowel muscles, leading to a build-up of food, fluids, and gas in the digestive system. This can occur after abdominal surgery, and its management is crucial to prevent complications. The underlying principle being tested is the understanding of **post-operative ileus pathophysiology** and its treatment.

**Why the Correct Answer is Right**
Since the correct answer is not provided, let's discuss the general approach to treating prolonged post-operative ileus. The treatment typically involves a multidisciplinary approach, including **nasogastric suction**, **fluid management**, and **pharmacological interventions** such as **neostigmine** or **alvimopan** to enhance bowel motility.

**Why Each Wrong Option is Incorrect**
**Option A:** Without knowing the specific option, we can say that any option that does not address the multifactorial nature of POI would be incorrect.
**Option B:** Similarly, an option that does not consider the role of bowel motility enhancers or does not address fluid and electrolyte imbalance would be wrong.
**Option C:** An option that suggests an incorrect or ineffective treatment for POI, such as unnecessary antibiotics or insufficient fluid management, would be incorrect.
**Option D:** Any option that ignores the importance of identifying and managing underlying causes of POI, such as infection or bowel obstruction, would be incorrect.

**Clinical Pearl / High-Yield Fact**
A key point to remember is that **early mobilization** and **adequate pain control** are crucial in preventing and managing post-operative ileus.

**Correct Answer:** Unfortunately, the answer choices and correct answer text are not provided.