A 31-year-old man had shrapnel wound in the neck. O/E, it was noticed that when he blew his nose or sneezed, the skin above the right clavicleftbulged upward. The upward bulging of skin could be explained by
Injury to the cervical pleura Damage to the suprapleural membrane Damage to the deep fascia in the root of the neck Nonunited fracture of the first rib