A 56-year-old patient suffering from essential hypertension was prescribed an inhibitor of angiotensin converting enzyme (ACE) and a potassium-sparing diuretic. Such combination is:

Answer options

1. Unreasonable because it increases risk of orthostatic collapse development
2. Unreasonable because it increases risk of hyperkaliemia development
3. Reasonable because it potentiates hypotensive effect of ACE inhibitor
4. Unreasonable because it reduces hypotensive effect of ACE inhibitor
5. Reasonable because it decreases risk of hyperkaliemia development