This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, 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 4a' i.e., Teriparatide o Teriparatide - recombinant preparation of 1 - 34 residues of amino terminal of human PTH, introduced for treatment of osteoporosis.o Injected s.c. 20mcg once daily. Increase bone mineral density and stimulate bone formation. Reduces risk of vertebral as well as non - vertebral fractures in osteoporotic women.", 'role': 'assistant'}]