The nurse provides care for a client diagnosed with pneumonia. During a routine assessment, the nurse notes an SpO2 reading of 89%, pulse of 112 beats/min, and respiratory rate of 30 breaths/min. In what order will the nurse respond when providing care to this client? (Please arrange in order. All options must be used.)
A. Notify the health care provider.
B. Auscultate lungs for adventitious sounds.
C. Administer oxygen at 2L by nasal cannula.
D. Reassess oxygen saturation by pulse oximetry.
E. Adjust client's position to high-Fowler.