A nurse is providing discharge teaching for a client following coronary artery bypass graft surgery. Which of the following information should the nurse include in the teaching?

"You can lift objects that weigh more than 20 pounds 2 weeks after discharge."

"You should walk 400 feet twice per day for the first week following discharge."

"You should wait at least 4 weeks before returning to work."

"Limit your sodium intake to 4 grams per day for 4 weeks following discharge."