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': 'Hypervitaminosis of which of the following will cause bony abnormalities –a)  Vitamin Ab)  Vitamin Dc) Vitamin Cd)  Vitamin Ee)  Vitamin K \nSelect and explain. \nA. ac, B. a, C. ad, D. ab', 'role': 'user'}, {'content': "Answer: D \nExplanation: Hypervitaminosis A \n\nExcess of vitamin A can lead to rupture of lysosomal membrane.\nAcute manifestations —4 Signs and symptoms are due to raised intracranial tension (pseudotuntor cerebri) --> headache, nausea, vomiting, drowsiness, bulging fontanelles, diplopia, papilledema and cranial nerve palsies.\nChronic intoxication —> Anorexia, weight loss, painful extremities, dry itchy desquamating skin, alopecia, coarsening of hair, hepatosplenomegaly, bone abnormalities and bony swelling.\n\nAbout option 'b'\n\nIn hypervitaminosis D, there is excessive bone resorption (see previous explanation).", 'role': 'assistant'}]