Final answer:
The potential side effects of aldosterone receptor antagonists, such as spironolactone, include hyperkalemia and hypokalemia.
Step-by-step explanation:
The potential side effects of aldosterone receptor antagonists, such as spironolactone, include hyperkalemia (high levels of potassium) and hypokalemia (low levels of potassium). These medications can affect the balance of potassium in the body, leading to an increase or decrease in potassium levels, depending on the individual's response to the medication.