Question

1. what is the difference between the four quadrants system and the nine regions system in dividing the abdominal area? both systems divide the abdomen into four quadrants named after organs. the four quadrants system divides the abdomen into nine equal parts, while the nine regions system divides it into four large sections. the nine regions system is used only in surgery, while the four quadrants system is used in anatomy classes. the four quadrants system divides the abdomen into left and right upper and lower quadrants; the nine regions system divides it into a tic - tac - toe board with specific named regions.

Explanation:

The four - quadrants system divides the abdomen into four large sections (right upper, left upper, right lower, left lower). The nine - regions system divides it into nine equal parts (right hypochondriac, epigastric, left hypochondriac, right lumbar, umbilical, left lumbar, right iliac, hypogastric, left iliac).

Answer:

The four quadrants system divides the abdomen into four large sections, while the nine regions system divides it into nine equal parts.