Surgery Which of the following mechanism can not prevent Gastroesophageal reflux – A Looping fibres of crus of diaphragm B Mucosal folds at gastroesophageal junction C Circular muscle fibres of GE sphincter D Angle made by the oesophagus with stomach 💡 Explanation Which of the following mechanism can not prevent Gastroesophageal reflux - ✓ Correct Answer: C. Circular muscle fibres of GE sphincter