The nurse mistakenly gives the patient with malignant hypertension the wrong dose of antihypertensive medication, and the patient complains of several hours of dizziness. Which action by the nurse is most appropriate?

A man who has remediated water-damaged basements for over thirty years presents to an acute care clinic for ongoing breathing problems. He has never smoked, has never been exposed to asbestos, and is afebrile. The nurse knows the man is most likely suffering from what condition?

The nurse is assisting the provider in lancing the abscess of a patient whose medical history is notable for anaphylaxis after ingestion of oysters. The nurse enters the room as the provider begins swabbing the affected skin with povidone-iodine solution. Which response by the nurse is appropriate?