After applying the sphygmomanometer to the patient's upper arm,the nurse inflates the cuff to the proper level,and then,using a stethoscope,listens for the __________________ sounds.

Korotkoff
The most common technique used for measuring blood pressure is auscultation with a sphygmomanometer and stethoscope.As the sphygmomanometer cuff is deflated,the five different sounds heard over an artery are called Korotkoff phases.The sound in each phase has unique characteristics.Blood pressure is recorded with the systolic reading (first Korotkoff sound)before the diastolic reading (beginning of the fifth Korotkoff sound).