First of all, don’t drive intoxicated. That goes without saying.
The general legal answer is to never participate in an investigation against yourself. You are not legally obligated to answer questions, perform field sobriety tests, or submit to a chemical test.
Except one very important exception under Nevada law: If you refuse an officer’s reasonable request for a chemical test, refusing both the breath and blood tests (in most circumstances), the DMV will revoke your driver’s license for a period of one year.
And, being belligerent to a police officer has never benefited anyone. So, if you choose to refuse anything, do so politely and respectfully.
As a criminal defense attorney, I am asked all the time about what to do if pulled over for DUI. Unfortunately, there is no perfect answer. The best blanket advice I can give is call an Uber. It isn’t worth it.