Assessment findings for an alert and oriented patient complaining of shortness of breath reveal an open airway and strong radial pulse, accompanied by skin that is cool and diaphoretic. the depth of respirations is adequate, and breath sounds include wheezing throughout the lungs. vital signs are a pulse of 124, respiratory rate of 24, blood pressure of 146/82 mmhg, and spo 2 93%. the patient has a history of asthma for which he takes medications. how should you administer oxygen to this patient?