After extended use of the drugs that treat hiv, the virus often becomes resistant and the drugs no longer work. select the best answer from the choices provided.
a. true
b. false

The given statement is true.

Explanation:

HIV drug resistance is an issue as it signifies that the kind of HIV one is having is not affected by or is resistant to a specific type of HIV medicine. Drug resistance can restrict the options of treatment. The medicines of HIV functions by inhibiting the virus from making duplicates of itself.  

However, when a specific strain of HIV possesses the tendency to produce copies of itself, even in the existence of a specific antiretroviral, it can be considered that it has become drug-resistant. The individual having HIV may possess one or more drug-resistant mutations, which makes them less sensitive to one or more antiretrovirals.  

As antiretrovirals in a similar category obstructing HIV from making copies in a similar manner, thus, if the virus turns resistant to one drug within that category, it can become fully or partially resistant to all the drugs within that category.  

the second one is wrong

explanation: