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"