This document contains multiple choice questions (MCQs) related to pediatric endocrinology. It discusses various cases presenting with signs of precocious puberty or other endocrine abnormalities. For each case, it provides the most likely diagnosis and background information on the condition. The document covers topics like central precocious puberty, premature adrenarche, McCune-Albright syndrome, Turner syndrome, Noonan syndrome, diabetic ketoacidosis, and craniopharyngioma. Copyright information is provided at the end.