Multiple choice Addison's disease is caused by hypertrophy of gonad hyposecretion of adrenal cortex hyperactivity of leydig cells hypersecretion of pituitary Reveal answer Fill a bubble to check yourself B Correct answer Explanation Addison's disease is characterised by low blood pressure, muscular weakness, loss of appitite and excessive loss of NaCl in the urine. It occurs due to hyposecretion of adrenal cortex.