Final answer:
a. Addison's disease usually results from deficits in both glucocorticoids and mineralocorticoids. It is characterized by abnormally low levels of cortisol and aldosterone and can be caused by various factors such as autoimmune disorders or pituitary gland dysfunction.
Step-by-step explanation:
The homeostatic imbalance that usually results from deficits in both glucocorticoids and mineralocorticoids is a. Addison's disease.
Addison's disease is characterized by abnormally low levels of cortisol and aldosterone, which are glucocorticoids and mineralocorticoids respectively. This disorder can be caused by autoimmune disorders, infections, or pituitary gland dysfunction, and it is typically treated with replacement hormones.