This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach and Intestines, Subject name: Pediatrics
[{'content': 'True about Alphal antitrypsin deficiency is? \nSelect and explain. \nA. Deficiency of protease inhibitor, B. Autosomal recessive, C. May cause cholestatic jaundice, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ANSWER: (D) All of the aboveREF: Robbins 7th ed p. 913Alpha 1 antitrypsin deficiency:Due to protease inhibitor deficiencyIncreased neutrophill elastaseNeonatal cholestasis may occur,Hepatocellular carcinoma may also developPulmonary disease may occur in form of emphysemaGene located on chromosome 14', 'role': 'assistant'}]