TCAR Thoracic Exam with Questions and Answers

TCAR Thoracic Exam with Questions and Answers Blood supply upper 2/3 of trachea ANSWER inferior thyroid arteries Blood supply lower 2/3 of trachea ANSWER bronchial arteries Blood supply lung parenchyma ANSWER bronchial arteries Pathway of azygous vein in the thorax ANSWER runs along R side and dumps into superior vena cava Pathway of thoracic duct in the chest ANSWER runs along R side, crosses midline at T4-T5, goes into L neck and dumps into L subclavian vein at junction with LIJ Pathway of phrenic nerve in thorax ANSWER runs anterior to hilum Pathway of vagus nerve in thorax ANSWER runs posterior to hilum What fissures exist in the lungs? ANSWER Major oblique separates RLL from middle and upper lobe Minor separates upper from middle lobe