This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid and electrolytes, Subject name: Medicine
Hypercalcemia is seen in all except - 
Select and explain. 
A. Milk alkali syndrome, B. Hyperparathyroidism, C. VitaminA deficiency, D. Vitamin D intoxication
C: VitaminA deficiency
Answer: C: VitaminA deficiency 
Explanation: Milk-alkali syndrome (MAS) consists of hypercalcemia, various degrees of renal failure, and metabolic alkalosis due to ingestion of large amounts of calcium and absorbable alkali. ... Physicians and the public need to be aware of the potential adverse effects of ingesting excessive amounts of calcium carbonate. and hypercalcemia is seen in hyperparathyroidism , vitamin D toxicity Ref Davidson 23rd edition pg 263