Final answer:
The nurse should use a calibrated dropper to administer 0.5 mL of oral single-dose liquid medication.
Step-by-step explanation:
The nurse should take the following action to prepare to administer 0.5 mL of oral single-dose liquid medication:
- Use a calibrated dropper to accurately measure and administer the medication.
Administering with food, diluting with water, or skipping the dose if the client refuses are not appropriate actions for administering this medication.