Answer:
The blood glucose level.
Step-by-step explanation:
Chronic obstructive pulmonary disease (COPD) may be defined as the inflammatory disease of the lungs that causes the obstruction in the airflow of the lungs.
Methylprednisolone acts as the glucocorticoid. The steroidal therapy might interferes with the blood glucose metabolism of the body and this increase the level of insulin resistance. This glucose level can be used to monitor whether any intervention is required or not.
Thus, the correct answer is blood glucose level.