Problem: The nurse is caring for a patient who has increasing requirements. The nurse decide to increase the amount of oxygen deliver to the patient and select a venturi mask. What assessment findings would confirm that the mask is working properly? Answer A - D A. the vents mask remain closed. B. the flow rate is appropriate to inflate the reservoir bag C. the O2 flow rate is less than 10 to insure that nasal passage are not overly dried out D. the mask fits properly and the corrugated tubing is free of Kicks