The nurse has reinforced instructions about measuring blood glucose levels to a client newly diagnosed with diabetes mellitus. The nurse determines that the client understands the procedure when making which most accurate statement? 1)"I should check my blood glucose level before eating a big meal" 2) "I should check my blood glucose level before eating each meal, regardless of how much I eat" 3) "I should check my blood glucose level 2 hours after each meal " 4) "I should check my blood glucose level once a day"