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: Pharmacology
[{'content': 'Which of the following is recombinant PTH? \nSelect and explain. \nA. Teriparatide, B. Cinacalcet, C. Carisoprodol, D. Oxethazaine', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Teriparatide o Teriparatide is a recombinant preparation of 1 - 34 residues of amino terminal of human PTH, introduced for treatment of osteoporosis.", 'role': 'assistant'}]