This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brainstem lesions and blood supply of CNS, Subject name: Anatomy
[{'content': 'False statement about lateral medullary syndrome? \nSelect and explain. \nA. 5,7,nerve lesions, B. I/L pain ,temperature loss of body, C. I/L pain temperature loss of face, D. 10 nerve palsy', 'role': 'user'}, {'content': "Answer: B \nExplanation: Lateral medullary syndrome also known as Wallenberg syndrome. Lateral medullary ischemia d/o ipsilateral veebral aery (in most cases) or PICA(in few cases) I/L Horner's + I/L sensory alternation of pain and temp on face (V nerve nucleus involvement) I/L Cerebellar ataxia (involvement of inferior cerebellar peduncle) C/L Alternation of pain and temp on body (Spinothalamic tract involvement) I/L Loss of taste (involvement of Nucleus tractus solitarious) Difficulty in speech and swallowing (involvement of Nucleus ambiguus)", 'role': 'assistant'}]