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: Psychiatry
The following symptoms may be seen in opium withdrawal - 
Select and explain. 
A. Tremors, B. Lacrimation, C. Dry nose and mouth, D. Constipation
B: Lacrimation
Answer: B: Lacrimation 
Explanation: All body surface secretions are increased → sweating, lacrimation, rhinorrhoea.