Hyposecretion from adrenal cortex causes disease. Hypersecretion from adrenal cortex causes syndrome.

The correct options are
A Addison's
C Cushing's
Hyposecretion from adrenal cortex causes Addison's disease. Symptoms include loss of energy, skin pigmentation, loss of weight, nausea and hypoglycemia.
Hypersecretion from adrenal cortex causes Cushing's syndrome. Symptoms of this disease include obesity, hyperglycemia, osteoporosis and water retention.