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
Which of the following is recombinant PTH? 
Select and explain. 
A. Teriparatide, B. Cinacalcet, C. Carisoprodol, D. Oxethazaine
A: Teriparatide
Answer: A: Teriparatide 
Explanation: 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.