This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thalamus, Hypothalamus and Basal Ganglia, Subject name: Physiology
Papez circuit is formed by which thalamic nucleus- 
Select and explain. 
A. Anterior, B. Medial geniculate, C. Lateralgeniculate, D. Posterior
A: Anterior
Answer: A: Anterior 
Explanation: Ans. is 'a' i.e., Anterior o Various nuclei of the limbic system forms an interconnected closed circuit called Papez circuito The structures involved in papez circuit are Hippocampus, Mamillary body, Anterior thalamic nuclei and cingulate gyrus.