Final answer:
The nurse should include aggressive or threatening language, excessive use of alcohol or drugs, and poor personal hygiene as warning signs of future workplace violence.
Step-by-step explanation:
The nurse should include the following behaviors as warning signs of future workplace violence:
- Aggressive or threatening language
- Excessive use of alcohol or drugs
- Poor personal hygiene
These behaviors can indicate potential aggression or instability in a coworker, and it is important for employees to be aware of these warning signs and report any concerns to their supervisor.