When the Nurse Is Auscultating the Carotid Artery for Bruits,which

When the nurse is auscultating the carotid artery for bruits,which of the following reflects correct technique?

A) While listening with the bell of the stethoscope,have the patient take a deep breath and hold it.
B) While auscultating one side with the bell of the stethoscope,palpate the carotid artery on the other side to check pulsations.
C) Lightly apply the bell of the stethoscope over the carotid artery;have the patient take a breath,exhale,and hold it briefly while the nurse listens.
D) Firmly place the bell of the stethoscope over the carotid artery,have the patient take a breath,exhale,and hold it briefly while the nurse listens.