This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'TRUE regarding upper motor neuron VIIth nerve paralysis is: \nSelect and explain. \nA. Ipsilateral upper face paresis, B. Ipsilateral lower face paresis, C. Contralateral upper face paresis, D. Contralateral lower face paresis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer is D (Contralateral lower face paresis): Upper motor neuron VII nerve palsy causes contralateral facial muscle paresis that is worse in the lower facial muscles. With UMN lesion the forehead is relatively spared. This is a unique feature seen only with facial nerve. The pa of facial nerve supplying the upper half of face has bilateral coical representation and thus in a unilateral UMN lesion the upper half of face escapes paresis.', 'role': 'assistant'}]