Which instrument is used to measure blood pressure?

a) Stethoscope

b) Sphygmomanometer

c) Sonometer

d) G. M. counter

Sphygmomanometer is used for the measurement of blood pressure. This device consists of a cuff, a bulb used for inflating and a mercury column for displaying the pressure. Blood pressure readings are of two types, the systolic pressure and diastolic pressure.