This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
Most common seizure seen in metabolic derangements? 
Select and explain. 
A. Tonic-clonic seizures, B. Simple paial seizures, C. Complex paial seizures, D. Absence seizures
A: Tonic-clonic seizures
Answer: A: Tonic-clonic seizures 
Explanation: Generalized-onset tonic-clonic seizures are the main seizure type in ~10% of all persons with epilepsy.They are also the most common seizure type resulting from metabolic derangements and are therefore frequently encountered in many.Ref: Harrison 19e 2543