Which of the following does not characterize the systolic value of a blood pressure reading?a. By convention, it is placed over the diastolic value.b. A value of 120 mm Hg is considered healthy.c. It represents the maximum pressure needed to compress an artery and prevent all blood flow.d. It can be measured using a sphygmomanometer and a stethoscope.e. It is measured when a pulsing sound is first heard as pressure in the cuff is lowered.
