The nurse is caring for a client with an exacerbation of copd and scheduled for pulmonary function studies using a spirometer. which client statement would the nurse clarify? a)"my study is scheduled for 10 am, several hours after i eat."b)"i brought comfortable clothes and shoes for the test."c)"i am ordered a bronchodilator to note lung improvement following use."d)"i will breathe in through my mouth and out through my nose."