What symptom might indicate that a client is experiencing difficulties during an insulin adjustment phase?

Unpredictable blood glucose values are a significant symptom that can indicate a client is experiencing difficulties during an insulin adjustment phase. When insulin dosages are being modified, especially as a patient works toward better glycemic control, the body may struggle to respond consistently to the new treatment regimen. This inconsistency often results in fluctuating blood glucose readings, reflecting the challenges of finding the right balance between insulin and carbohydrate intake as well as the body's physiological response.

Improved mood could potentially indicate that a client is feeling better due to better blood sugar control, while stable weight and regular exercise habits generally signify a well-managed health status. These factors are more associated with maintaining stable blood glucose levels rather than suggesting difficulties during an insulin adjustment. Thus, when assessing insulin management, unpredictable blood glucose values stand out as a critical sign of a need for further assessment or adjustment in management strategies.