Four hours after administering promethazine to a male patient, the practical nurse (PN) takes his temperature. When the patient asks the PN about the reason for taking his temperature, how should the PN respond?

Encourage the patient to share his concerns about the care plan.

Explain the need to assess for medication side effects.

Assure that vital signs are routinely taken every four hours.

Describe how the medication works to lower body temperature.

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