HMS, BM EQ-Bank 200 MC During a 3-hour tennis match in summer, an athlete consumes only water. What micronutrient imbalance is likely to occur first? Calcium Sodium Iron Vitamin B Show Answers Only \(B\) Show Worked Solution B is correct: Sodium loss through sweating affects fluid balance and muscle function first. Other Options: A is incorrect: Calcium loss minimal during exercise C is incorrect: Iron loss not significant in short term D is incorrect: B vitamins not depleted rapidly