A nurse is collecting data from a client following his first dose of captopril. The client's blood pressure is 88/60 mm Hg. Which of the following actions should the nurse take first?

A. The first action is to place the client in a supine position. The client might experience a first-dose phenomenon, which is a sudden and severe drop in blood pressure within 1 to 3 hours of taking the medication. The nurse should place the client in a supine position to prevent orthostatic hypotension and syncope. B. This should be done after placing the client in a supine position to assess for postural changes. C. This should be done after placing the client in a supine position to assess for postural changes. D. The nurse should not administer a saline bolus unless prescribed by the provider, as this could cause fluid overload and worsen heart failure.