Physiology In infants, defecation often follows a meal. The cause of colonic contractions in this situation is A Gastroileal reflex B Enterogastric reflex C Increased circulating levels of CCK D Gastrocolic- reflex 💡 Explanation In infants, defecation often follows a meal. The cause of colonic contractions in this situation is ✓ Correct Answer: D. Gastrocolic- reflex