[Expert Solution]: The nurse is auscultating the heart and hears…

The nurse is auscultating the heart and hears an abnormal heart sound. To determine the location of the abnormal sound, the nurse recalls what which is true of heart sounds? Heart sounds always travel in the direction of blood flow. Heart sounds always travel against the direction of blood flow. High-pitched sounds are best heard through the bell of the stethoscope. Low-pitched sounds are best heard through the diaphragm of the stethoscope.