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: Forensic Medicine
All of the following are characteristic of Datura poisoning except - 
Select and explain. 
A. Delirium, B. Diplopia, C. Pin-point pupils, D. Dysphagia
C: Pin-point pupils
Answer: C: Pin-point pupils 
Explanation: In datura poisoning, there is dilatation of pupil (not pin point pupil).
Features of datura poisoning are described as '9D':-


Dry hot skin: 'Hot as a hare'.  
Dilatation of cutaneous blood vessels causing a facial flash. 'Red as a beet'.                    
Dilatation of pupil with loss accommodation and unresponsive to light (dilated and fixed pupil) : 'Blind as a bat'.
Dryness of throat and mouth: 'Dry 'Dry as a bone'.
Delirium (muttering delirium) : 'Mad as a wet hen'.
Drowsiness
Drunken gait
Dysphagia (difficulty in swallowing).
Difficulty in talking.