This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
All of the following are risk factors for neonatal HYPOCALCEMIA except 
Select and explain. 
A. Maternal hyper/hypoparathyroidism, B. Exclusive Breast feeding, C. Exchange transfusion, D. Cow milk
B: Exclusive Breast feeding
Answer: B: Exclusive Breast feeding 
Explanation: Late-onset neonatal hypocalcemia The problem results when theneonate is fed with phosphate-rich formula or cow's milk. Whole cow'smilk has 7 times the phosphate load of breast milk (956 vs 140 mg/L inbreast milk). This may cause symptomatic hypocalcemia inneonates. Ref ganong's review of medical physiology 25e p426