Which of the Following Are Primary Reasons for Which an Endobronchial

Multiple Choice

Which of the following are primary reasons for which an endobronchial ultrasound (EBUS) is recommended?
1) To detect the presence of tumors or pathologically enlarged lymph nodes
2) To diagnose stridor or localized wheezing
3) To diagnose tumors within the lung or mediastinum
4) To diagnose lymph node abnormalities in the mediastinum or hila

A) 1, 2
B) 2, 3
C) 1, 3, 4
D) 2, 3, 4