A patient with vomiting has a potassium level reported as critically low and now reports palpitations. The cardiac monitor shows an irregular rhythm. What should the nurse do first?

A patient with a lower-leg cast reports worsening pain despite prescribed analgesia. The toes are pale, cool, and difficult to move. What should the nurse do first?

A patient reports dizziness when standing two days after starting treatment for hypertension. The patient is alert, has no chest pain, and is currently sitting safely. What should the nurse do first?

A patient with pneumonia becomes newly confused and has cool, mottled skin. The blood pressure is 86/52 mmHg and the respiratory rate is 30 per minute. Which action is the priority?

A patient with a head injury becomes increasingly drowsy and vomits twice. The patient now responds only to repeated verbal stimulation. What is the nurse's priority action?

A patient is found on the floor beside the bed after an unwitnessed fall. The patient says, “I am fine,” but has a small scalp wound. What should the nurse do first?

A patient develops wheezing, facial swelling, and widespread hives shortly after an intravenous antibiotic begins. What should the nurse do first?