This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid & Electrolyte, Subject name: Medicine
Which among the following causes 'Euvolvemic hyponatremia*? 
Select and explain. 
A. Nephrotic syndrome, B. SIADH, C. Diarrhea, D. Vomiting
B: SIADH
Answer: B: SIADH 
Explanation: Ref: Nelson's Textbook of Pediatrics 18th edition: page no.275 & Harrison's 18th editionExplanation:Refer previous question's explanation.