A client with aortic regurgitation is being transferred from the critical care unit to the step-down unit. The nurse receiving the patient in the step-down unit is aware that aortic regurgitation causes:

Blood to flow back from the left atrium to the left ventricle

Blood to flow back from the aorta to the left ventricle

Obstruction of blood from the left atrium to the left ventricle

Obstruction of blood flow from the left ventricle