The Student Nurse Is Assessing a Patient's Pulses

The student nurse is assessing a patient's pulses. What action by the student requires the nurse to intervene?

A) Assessing apical pulse between the fifth and sixth intercostal spaces
B) Assessing the doralis pedis pulse by palpating behind the patient's knee
C) Assessing the radial pulse on the patient's wrist
D) Assessing the brachial pulse on the patient's inner elbow