Social & Preventive Medicine Variables, Scales b738f6e6 True about Visual analog Scale A Type of scale used for ABO Blood group B Used for Measurement of Pain C Also known as Like scale D Used for only two variables data High-Yield Explanation Visual Analog Scale: Used for Measurement of Pain 10 cms (0-100 mm) long plastic scale Used when pt is illiterate, in ICU, under anesthesia, pediatric pts.