This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stroke and TIA, Subject name: Medicine
[{'content': "Which of the following ocular findings is a component of Foville's syndrome? \nSelect and explain. \nA. Lateral gaze palsy, B. Medial gaze palsy, C. 3rd nerve palsy, D. Nystagmus", 'role': 'user'}, {'content': "Answer: A \nExplanation: Foville's syndrome after dorsal pontine injury includes: Side Manifestation Tracts/nucleus Contralateral Weakness - upper and lower extremity Coicospinal tract Ipsilateral Weakness -face - entire side VII nucleus/fascicle Ipsilateral Lateral gaze weakness PPRF or CN VI nucleus Anatomy: Pons: Unilateral lesion in the dorsal pons Blood vessel- Basilar aery Foville's syndrome after dorsal pontine injury includes lateral gaze palsy, ipsilateral facial palsy, and contralateral hemiparesis incurred by damage to descending coicospinal fibers. Millard-Gubler syndromefrom ventral pontine injury is similar except for the eye findings. There is lateral rectus weakness only, instead of gaze palsy, because the abducens fascicle is injured rather than the nucleus.", 'role': 'assistant'}]