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: Medicine
Lambert Eaton myasthenic syndrome is 
Select and explain. 
A. A post synaptic disorder, B. Characterized by preserved deep tendon reflexes, C. Characterized by decremental response in ENMG, D. Associated with autonomic dysfunction
D: Associated with autonomic dysfunction
Answer: D: Associated with autonomic dysfunction 
Explanation: None