While Providing Care for a Patient with Asthma, the Nurse

While providing care for a patient with asthma, the nurse notes the patient's shoulders are rising with each breath. The nurse recognizes this action most likely represents which of the following?

A) Shoulder muscle fatigue related to difficulty breathing
B) The use of accessory muscles to aid breathing
C) Hyperinflation of the chest
D) Effective use of a breathing exercise to increase ventilation