This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'All are true about cartilage, hair hypoplasia syndrome except – \nSelect and explain. \nA. Neutropenia, B. Depigmentd hair, C. Non functioning T cells, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cartilage-hair hypoplasia syndrome\n\nCartilage-hair hypoplasia is an unusual form of short-limbed dwarfism with frequent and severe infections.\nIt is an autosomal recessive condition.\n\nFeature of CHH\n\nShort limb dwarfism.\nVery fine thin light hairs and eyebrows.\nHyperextensible joints of hands and feet but an inability to extend.\nAbnormalities of the spine.\nNeutropenia\nDefective antibody-mediated immunity.\nSevere combined immunodeficiency and combined immunodeficiency.\nDecreased number of T cells and defective T cell proliferation, cell-mediated immunity is also decreased.\nNothing is written about the function of T cell, only their number is decreased.', 'role': 'assistant'}]