Which quadrant should the nurse auscultate first when performing an abdominal assessment?

The correct choice is the Right Lower Quadrant, where auscultation is typically performed first during an abdominal assessment. This practice is based on the anatomical layout of the intestines and the usual pattern of bowel sounds.

Starting in the Right Lower Quadrant is particularly advantageous because it is where the ileocecal valve is located, marking the junction between the small intestine and the large intestine. This area is significant since bowel sounds can often indicate the function of the intestines, and starting here permits a more systematic approach as you move through the abdomen. Consequently, beginning in this quadrant allows the nurse to accurately assess the bowel sounds and the overall function of the gastrointestinal system.

While other quadrants are important for thorough assessment, they are typically examined sequentially rather than as the initial focus. Each quadrant has its own unique sound characteristics, but in general practice, starting in the Right Lower Quadrant helps to maintain a logical order of examination.