This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pediatrics
Features of hypothyroidism in infancy include the following except 
Select and explain. 
A. Premature closure of posterior fontanelle, B. Coarse facies, C. Umbilical hernia, D. Constipation
A: Premature closure of posterior fontanelle
Answer: A: Premature closure of posterior fontanelle 
Explanation: Hypothyroidism characterized by wide open ( delayed closure) of posterior fontanelle,umbilical hernia,large head,coarse facies,constipation. Reference : Ghai essential of pediatrics, eighth edition, p.no:517,table 17.6.