This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroanatomy 1, Subject name: Anatomy
Coicospinal fibers pass through which pa of internal capsule: 
Select and explain. 
A. Posterior one-third of anterior limb, B. Anterior two-third of posterior limb, C. Posterior two-third of anterior limb, D. Anterior two-third of anterior limb
B: Anterior two-third of posterior limb
Answer: B: Anterior two-third of posterior limb 
Explanation: - Coicospinal fibers pass through the anterior two-third of the posterior limb of internal capsule. - Posterior 1/3 of posterior limb carries sensory fibers (including audio-visual pathways).