This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epilepsy, Subject name: Pharmacology
Regarding lamotrigine, which of the following is a TRUE statement? 
Select and explain. 
A. It is a dopaminergic agonist used in Parkinsonism, B. It acts by blocking NMDA type of glutamate receptors, C. It is a broad spectrum antiepileptic drug, D. It suppresses tonic-clonic seizures but worsens absence seizures
C: It is a broad spectrum antiepileptic drug
Answer: C: It is a broad spectrum antiepileptic drug 
Explanation: Lamotrigine is a broad spectrum anti-epileptic drug used in wide variety of seizures including GTCS as well as absence seizures. It acts by blocking Na channels and also increasing the GABAergic activity and decreasing glutamatergic activity.