A nurse is reinforcing discharge teaching with a client who has COPD and reports problems with maintaining adequate nutrition. Which of the following instructions should the nurse include?

"Self-administer oxygen through your nasal cannula at 6 milliliters per minute during meals."

"Drink at least 240 milliliters of water during each meal."

"Perform pulmonary hygiene 1 hour before meals."

"Lie down for 30 minutes after eating."