The nurse is observing as the student nurse performs a respiratory assessment on a patient. Which action by the student nurse requires the nurse to intervene?
A. The student stands at a midline position behind the patient, observing for position of the spine and scapula.
B. The student palpates the thoracic muscles for masses, pulsations, or abnormal movements.
C. The student places the bell of the stethoscope on the anterior chest wall to auscultate breath sounds.
D. The student places the palm of the hand over the intercostal spaces and asks the patient to say "ninetynine."