Final answer:
Asking the client to rate the pain using the pain scale helps in determining the individual's subjective pain level, which aids in assessing and treating pain effectively.
Step-by-step explanation:
Asking the client to rate the pain using the pain scale determines the individual's level of pain and allows healthcare providers to assess and manage pain more effectively. The Mosby pain rating scale is an example of such a tool, which can help in creating an appropriate treatment plan. Moreover, understanding the patient's pain level is critical for evaluating the effectiveness of pain-relieving interventions. A study on the effectiveness of pain-reducing medication, for example, would look for a lower pain score after intervention to conclude improvement. Another aspect to consider is if the symptoms, like pain, are subjective and cannot be measured objectively; other methods such as skin conductance fluctuations could be a more objective alternative for quantifying pain.