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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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An old man with hypeension and BP 210/110 mm Hg is classified into Severe hypeension. Scale used is
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The correct answer is  ORDINAL SCALEScale on which data is shown simply in order of magnitude, since there is no standard of measurement of differences - Categories are organized as a continuum - In the given question, If BP is measured as absolute quantified numbers (E.g. BP 210/110), it should be measured on Metric scale If BP is categorized as Mild-Moderate-Severe, it will become Ordinal scale