This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
[{'content': 'Which of the following is not a sign of stellate ganglion block? \nSelect and explain. \nA. Meiosis, B. Exophtahalmos, C. Nasal congestion, D. Conjunctival redness', 'role': 'user'}, {'content': "Answer: B \nExplanation: Exophthalmos (also called exophthalmos, exophthalmia, proptosis, or exorbitism) is a bulging of the eye anteriorly out of the orbit.Exophthalmos can be either bilateral (as is often seen in Graves' disease) or unilateral (as is often seen in an orbital tumor).", 'role': 'assistant'}]