When measuring blood pressure using the auscultatory technique, which statement is accurate?

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The diastolic pressure corresponds to the loudest sound heard.Systolic pressure readings are usually lower than those obtained by the palpation method.The initial sound detected indicates the systolic pressure.The sounds heard originate directly from the heart.

Explanation

In the auscultatory method, the first audible sound corresponds to the systolic pressure. The loudest sound is not the diastolic pressure, and systolic values are generally not lower than palpatory estimates. Additionally, the sounds heard are produced by blood flow turbulence, not directly from the heart.