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: Social & Preventive Medicine
True about acrodynia are all except: 
Select and explain. 
A. Caused by elemental or inorganic mercury exposure, B. Caused by elemental or inorganic mercury exposure, C. Occurs mainly in geriatric age group, D. None of the above
C: Occurs mainly in geriatric age group
Answer: C: Occurs mainly in geriatric age group 
Explanation: Acrodynia is a rare idiopathic chronic toxic reaction to elemental or inorganic mercury exposure, which occurs mainly in young children. It is characterized by pain in the extremities and pink discoloration with desquamation of the skin Ref :