Radiology 2 - Heart, Lungs and Mediastinum

Question 1

which bronchus is shorter and straighter and slightly wider?

Answer 1

right bronchus

Question 2

what is the only lobe of the lungs that is up against the heart?

Answer 2

left upper lobe

Question 3

which nerves are in the mediastinum?

Answer 3

phrenic nerve
vagus
recurrent laryngeal nerve

Question 4

what is the longest nerve in the body?

Answer 4

vagus

Question 5

what is the pathway of the right recurrent laryngeal nerve?

Answer 5

hooks around the right subclavian artery before going up into the larynx

Question 6

what is the pathway of the left recurrent laryngeal nerve?

Answer 6

hooks around aortic arch before travelling up towards the larynx

Question 7

what does the laryngeal nerves innervate?

Answer 7

controls the vocal cords, allows you to breath speak and cough

Question 8

which nerve innervates the diaphragm?

Answer 8

phrenic nerve

Question 9

what are the causes of recurrent laryngeal nerve damage?

Answer 9

-tumour (lung)
-TB/nodes
-trauma, eg prolonged surgery CABG, oesophagectomy + thyroid surgery

Question 9

what would be a symptom of recurrent laryngeal nerve damage?

Answer 9

hoarse or even stridor