This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: ENT
[{'content': "Adam's apple seen in boys is because of: \nSelect and explain. \nA. Hyoid bone, B. Tracheal rings, C. Thyroid cailage, D. Cricoid cailage", 'role': 'user'}, {'content': "Answer: C \nExplanation: Prominance of Thyroid cailage (because of sharp angle) in males is called Adam's apple. Thyroid cailage with right and left lamina both meet at midline and form an angle of 90deg in males, 120deg in females. At rest it lies at level of C3", 'role': 'assistant'}]