This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid Gland, Subject name: Surgery
The most common presentation of endemic goiter? 
Select and explain. 
A. Diffuse goite, B. Solitary nodule, C. Hypothyroid, D. Hyperthyroid
A: Diffuse goite
Answer: A: Diffuse goite 
Explanation: Ans. (a) Diffuse goiterRef: Bailey and Love Principles and Practice of Surgery, 26th edition, Page 748* Most common presentation of endemic goiter is diffuse goiter. Such diffuse goiter is seen in pregnancy and puberty.* Other presentations include multinodular goiter, diffuse toxic goiter and nodule.* Most important factor causing goiter is iodine deficiency (Normal Iodine needed per day =0.1-0.15mg)* Goitrogens are the vegetables of the brassica family: Cabbage, Kale and Rape