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
Zidovudine and didanosine used in HAART act by 
Select and explain. 
A. Inhibitory effects on viral DNA, B. Nucleoside reverse transcriptase inhibition, C. Inhibit the synthesis of gp41, D. Protease inhibition
B: Nucleoside reverse transcriptase inhibition
Answer: B: Nucleoside reverse transcriptase inhibition 
Explanation: These drugs act by Nucleoside reverse transcriptase inhibition