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
Thyroid follicles are lined by which type of epithelium 
Select and explain. 
A. Squamous, B. Cuboidal, C. Transitional, D. None
B: Cuboidal
Answer: B: Cuboidal 
Explanation: During active phase the lining of the follicles is columnar,while in resting phase,it is cuboidal. REFERENCE:BDC VOL-3,FIFTH EDITION