This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluids and Electrolyte Imbalance, Subject name: Medicine
ORS plus zinc is given in diarrhea because? 
Select and explain. 
A. Reduces infection, B. Antispasmodic, C. Reduces duration of diarrhoea, D. Enhance sodium absorption
C: Reduces duration of diarrhoea
Answer: C: Reduces duration of diarrhoea 
Explanation: Zinc reduces severity of illness so it reduces the duration of diarrhea. Zinc should be given for 14 days in any episode of gastroenteritis in children Zinc upgrades the immunity, so the duration of illness is lessened