<prompt> Pheochromocytoma are tumours of:Adrenal cortexAdrenal medullaPancreasBone  <response>: Ans. B. Adrenal medullaPheochromocytoma are a type of tumor of the adrenal glands that can release high levels of epinephrine and norepinephrine. As the name implies, the ad-renal glands are located near the renal area. Someone with a pheochromocytoma usually has three classic symptoms, headache, sweating, and heart palpitations a fast heart beat in association with markedly elevated blood pressure hypertension. Other conditions that may accompany these classic symptoms are as follows:a. Anxiety,b. Nausea,c. Tremors,d. Weakness,e. Abdominal pain, andf. Weight loss. 