Is there a reason you have characterized this incident as a gender issue?
Was the poor work the work of the nurse who heard you and chewed you out? Do you often criticize the work of your coworkers in a nonproductive manner, expletives or no?
Did you say anything else before saying “fuck” to your coworker, or before she chewed you out? Do you think you were on good terms with her before this incident?
Are you listening to the specifics of your coworkers’ complaints? What are they asking you to do differently?
I’m hoping that “assist” here is a polite way of saying “keeping an eye on”. Maybe they’ll think twice about pulling shit with non police union folks around who could testify against them later.