Retirement accounts are generally protected from creditors up to $500,000.00. In most instances, then, you will be protected (unless you have contributed significantly to a SEP IRA or contributed the maximum into an IRA since the IRA was originally introduced.
I agree with Mr. Eccles. If you are concerned with this, it may be worthwhile to do a brief consultation with an attorney who can advise you as to your potential liability and additional steps you may wish to take.
You can also review certain assets which are exempt from garinshment (prior to bankruptcy), as these are set out in NRS 21.090.