You have responded to a woman who may be going into shock in the hardware store where you work. After completing a primary assessment, you apply a pulse oximeter. The reading shows an SPo2 level of 91%. Her breathing is rapid and shallow and her lips have a bluish tint. She has no visible signs of injury but stated that she slipped and hit her abdomen against a stack of paver bricks in the garden center. EMS has been activated and you are giving care for shock. How should you provide emergency oxygen as part of your care