Physiology Which is the single most impoant factor that stimulates insulin secretion? A Decreased plasma glucose concentration inhibits insulin release B Decreased plasma glucose concentration stimulate insulin release C Increased plasma glucose concentration stimulates insulin release D Increased plasma glucose concentration inhibits insulin release 💡 Explanation Which is the single most impoant factor that stimulates insulin secretion? ✓ Correct Answer: C. Increased plasma glucose concentration stimulates insulin release