Physiology Positive feed back is seen in A/E : A LH Surge B Entry of Ca into sarcoplasmic reticulum C Stimulation of gastric secretion of histamine & gastrin D Thrombolytic activity in coagulation cascade 💡 Explanation Positive feed back is seen in A/E : ✓ Correct Answer: C. Stimulation of gastric secretion of histamine & gastrin