Problem: An adult patient has a history of COPD and has developed an increased respiratory rate of 32 breaths/minute. The patient is lying flat in bed and is receiving oxygen at 2 L/min via nasal prongs. Which of the following is the most appropriate first action? Need Assignment Help? Question Select one: a. Raise the patient's head of bed to Fowler's position b. Take the patient's vital signs including SpO2 c. Increase the oxygen flow to 4 L/min via nasal prongs d. Call for help e. Obtain the patient's chart and review respiratory trends and patterns