A Nurse Can Most Accurately Assess a Client's Heart Rate

A nurse can most accurately assess a client's heart rate and rhythm by which method?

A) Listen with the stethoscope at the fifth intercostal space left midclavicular line.
B) Listen with the stethoscope at the fifth intercostal space at the sternum.
C) Listen with a stethoscope at the neck to the right of the coracoid process.
D) Listen with a stethoscope at the second intercostal space left sternum.