To assess for the presence of egophony, which instruction should the nurse give the client who has a lung abscess?

Breathe in and out while all lobes of both lungs are auscultated.

Whisper "one, two, three" in sequence during auscultation of the thorax.

Repeat the number "99" during a systematic auscultation of the thorax.

Repeat vocalizing the letter "E" while the thorax is auscultated.