To Evaluate How Effective Teaching Has Been for the Following

To evaluate how effective teaching has been for the following teaching objective, "The patient will select a 2000-mg sodium diet from the hospital menu daily for 3 days with 90% accuracy," the nurse will

A) ask the patient to identify which foods on the daily menu are highest in sodium.
B) total the sodium content of the foods the patient has eaten for the last 3 days.
C) note the food selected on three daily menus and determine whether the daily sodium content is within 1800 to 2200 mg.
D) compare the patient's sodium intake over the next 3 days with the sodium intake before the teaching was implemented.