The nurse observes the following pupils in the patient: (R,L) The nurse alerts the provider to which possible scenario?

The patient is brought to the emergency department following a fire in his home. The nurse notes that the patient has singed facial hair and soot on his face. He is mildly tachypneic, his lung sounds are clear and equal, and the nurse notes pronounced stridor. His oxygen saturation is 90% on room air. Patient also complains of a sore throat and severe pain in his arms and hands, which have about 50% of their area covered by burns. Which of the following is the next best step in management?

The patient is scheduled for bariatric surgery in one month. During the preoperative physical, the nurse notes the patient takes St. John's wort. The nurse instructs the patient to stop taking St. John's wort 5 days prior to the surgery for which reason?