<prompt> The blood pressure measured by a sphygmomanometerIs lower than the intraaerial pressureIs higher than the intraaerial pressureIs same as the intraaerial pressureIs the same with different cuff sizes  <response>: At the point at which systolic pressure in the aery just exceeds the cuff pressure, a spu of blood passes through with each heabeat and, synchronously with each beat, a tapping sound is heard below the cuff.Ref: Ganong;s Review of Medical Physiology 25th Edition. Page: 577 