This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'A patient presented with weakness of the right side of the face with loss of pain and temperature , Pain and temperature sensation of the left leg is lost The lesion is most likely located \nSelect and explain. \nA. lateral poms, B. medial pons, C. lateral medulla, D. Medial medulla', 'role': 'user'}, {'content': 'Answer: A \nExplanation: RULE OF 4 weakness of face =palsy of facial muscles of=7th nerve affected =same side=7th NERVE from PONS Loss of pain, temperature from force = Trigeminal Nerve affected=Lesion in lateral side and ipsilateral Loss of pain , temperature in body = UL, LL=spinothalamic tract affected= Lesion in C/L side and also lateral side REF: BD CHAURASIA', 'role': 'assistant'}]