This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti Microbial, Subject name: Pharmacology
Which of the following is nucleotide reverse transcriptase inhibitor - 
Select and explain. 
A. Indinavir, B. Nelfinavir, C. Tenofovir, D. Lopinavir
C: Tenofovir
Answer: C: Tenofovir 
Explanation: Ans. is 'c' i.e., Tenofovir Antiretroviral drugsNucleoside reverse transcriptase inhibitors (NRTIs) - Zidovudin, Didanosine, Zalcitabine, Stavudine, Lamivudine, Abacavir.Nucleotide reverse transcriptase inhibitor -Tenofovir (Katzung 10th/e)Nonucleoside reverse transcriptase inhibitors (NNRTIS) - Nevirapine, Efavirenz, Delavirdine, Etravirine.Protease inhibitors - Ritonavir, Indinavir, Nelfinavir, Saquinavir, amprenavir, Lopinavir, Fosamprenavir, Atazanavir, Darunavir, Tipranavir.Fusion inhibitor - Enfuvirtide, Maraviroc.Integrase inhibitors - Roltegravir, Elvitegravir.