This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': "Which is found in DiGeorge's syndrome - \nSelect and explain. \nA. Tetany, B. Eczema, C. Mucocutaneous candidiasis, D. Absent B and T cells", 'role': 'user'}, {'content': "Answer: A \nExplanation: DiGeorge's syndrome is a developmental defect affecting third and foh pharyngeal pouches which leads to aplasia or hypoplasia of thymus and parathyroid glands. T cells are absent or deficient in circulation. -patients show enhanced susceptibility to viral , bacterial fungal infections. - infants present with cardiac defects and neonatal tetany. Reference : Baveja text book of microbiology, 4th edition, pg no:151,152 <\\p>", 'role': 'assistant'}]