"The mask should cover only the mouth and leave the nose open for expiration."

"I can adjust the oxygen level on the flowmeter to keep the client's oxygen saturation greater than 94%."

"I should put gauze under the elastic straps over the ears."

"The client should take a 1 to 2-minute break from the Face mask each hour.”

"I should clean the face mask once per shift."

"I should place the mask first over the nose and then cover the mouth."