Wanda has a particular type of diabetes that requires her to inject herself with insulin every few hours. in the context of the endocrine system, which gland is most likely responsible for wanda's diabetes?

When there is an insulin infusion for a diabetic patient, it is not at all a mild situation. So in the context of endocrine system the gland that is responsible for Wanda's diabetes is pancreas. It is an endocrine gland that is supposed to produce hormones like insulin, glucagon and others.