A nurse is auscultating a client's lung sounds and identifies crackles in the left lower lobe. Which of the following interventions should the nurse take?

Prepare to administer antibiotics.

Repeat auscultation after asking the client to breathe deeply and cough.

Place the client on bed rest in semi-Fowler's position.

Instruct the client to limit fluid intake to less than 2,000 mL/day.