Which of the following is not a purpose of bronchoscopy?

QAf8CQN0_5KnviJs7e2tAI
E6 Nelson Textbook of Pediatrics(2024) — Volume 2 pp. 309-311, 489-491
Practise the full RUHS, Jaipur, PB B.Sc Nursing Entrance-2022
Attempt every question from this paper in a timed mock, then review the full solution for each one.