The nurse is caring for a client admitted to the unit for possible hyperthyroidism. The client describes weakness, nervousness, a racing heartbeat, and recent weight loss of 15 pounds (6.8 kg). Which action should the nurse implement first?

Choice A reason: Pacing the client's care to provide periods of rest is important for managing fatigue and preventing overexertion. However, it is not the first action the nurse should take in this situation. Monitoring vital signs is crucial to assess the client's current condition and detect any immediate complications.Choice B reason: Making arrangements for radioactive iodine therapy is a treatment option for hyperthyroidism. However, this is not the first action the nurse should take. The nurse needs to assess the client's condition and stabilize any immediate issues before considering long-term treatment options.Choice C reason: Administering a beta-adrenergic blocking agent can help manage symptoms such as a racing heartbeat and nervousness. While this may be part of the treatment plan, it is not the first action the nurse should take. Monitoring vital signs is essential to determine the appropriate interventions.Choice D reason: Monitoring the client's vital signs frequently is the first action the nurse should take. This helps assess the client's current condition, detect any immediate complications, and guide further interventions. It is crucial to ensure the client's stability before implementing other care measures.