Final answer:
The appropriate ways for the nurse to gather objective data related to a client's pain include observing facial expressions, assessing heart rate and respiratory rate, and measuring blood pressure.
Step-by-step explanation:
The nurse can gather objective data related to a client's pain using several methods. These include:
- Observing the client's facial expressions and body language
- Assessing the client's heart rate and respiratory rate
- Measuring the client's blood pressure
By observing non-verbal cues and physiological parameters, the nurse can obtain objective information about the client's pain.