Medicine An upper motor neuron (UMN) lesion involving cranial nerve VII would most likely produce A Contralateral weakness of the lower half of the face with sparing of the upper half of the face B Decreased gag (pharyngeal) reflex with decreased taste sensation from the posterior one-third of the tongue C Hemianesthesia of the face with flaccid paralysis of the muscles of mastication D Ipsilateral anosmia with primary amenorrhea in females 💡 Explanation An upper motor neuron (UMN) lesion involving cranial nerve VII would most likely produce ✓ Correct Answer: A. Contralateral weakness of the lower half of the face with sparing of the upper half of the face