Answer
1. Right upper quadrant (RUQ)
2. Left upper quadrant (LUQ)
3. Right lower quadrant (LLQ)
4. Left lower quadrant (RLQ)
Work Step by Step
The cross that forms the quadrants of the abdominopelvic cavity should line up with the sternum and center itself between the top of the small intestine and the transverse colon of the large intestine.