A 19-year-old male was found to have an elevated level of potassium in the secondary urine. These changes might have been caused by the increase in the following hormone level:

Answer options

1. Testosterone
2. Aldosterone
3. Oxytocin
4. Glucagon
5. Adrenaline

Explanation

Aldosterone is a steroid hormone, the main mineralocorticoid hormone. It increases reabsorption of ions and water in the kidney, causing the conservation of sodium, secretion of potassium, increase in water retention, and increase in blood pressure and blood volume.