Social & Preventive Medicine An old man with hypeension and BP 210/110 mm Hg is classified into Severe hypeension. Scale used is A Nominal B Ordinal C Interval D Ration 💡 Explanation An old man with hypeension and BP 210/110 mm Hg is classified into Severe hypeension. Scale used is ✓ Correct Answer: B. Ordinal