This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics And Genetic Disorders, Subject name: Pediatrics
[{'content': 'True about Pendred syndrome is: \nSelect and explain. \nA. Diffuse colloid goitre, B. Mental retardation, C. Bilateral sensory neural deafness, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D. All of the abovePendred syndrome, a disorder of the pendrin gene, is associated with decreased intracellular transport of iodine and deafness. Transient congenital hypothyroidism may occur following transplacental passage of TSH receptor blocking anti bodies iodine exposure and treatment with drugs like amiodarone.', 'role': 'assistant'}]