This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Recurrent abdominal pain in children in most often due to – 
Select and explain. 
A. Roundworms, B. Emotional/behavioural problems, C. Amoebiasis, D. Giardiasis
B: Emotional/behavioural problems
Answer: B: Emotional/behavioural problems 
Explanation: Chronic and recurrent abdominal pain in children 

Chronic abdominal pain is defined as recurrent or persistent bouts of abdominal pain that occur over a minimum of 3 months.
The commonest cause of chronic abdominal pain in older children is functional (non organic) that may be due to emotional or behavioral problems.

Causes of chronic and recurrent Abdominal pain