Development of Heart, Mediastinum

Question 1

Binge drinking

Answer 1

Can inhibit neural crest migration

Lead to defects

Question 2

Branches of aorta

Answer 2

Brachiocephalic trunk (right common carotid and subclavian)
Left common carotid
Left subclavian

Question 3

Foramen ovale

Answer 3

Pre-birth

Allow right to left atrial flow

Question 4

Ductus arteriosus

Answer 4

Pre-birth

Allows blood to bypass lung and enter systemic system for right to left flow

Question 5

Trachea

Answer 5

Anterior to esophagus

Branches at T4-5

Question 6

Right bronchus

Answer 6

Bigger and more vertical

Question 7

Esophagus

Answer 7

Hiatus at T10

Question 8

Phrenic nerves

Answer 8

Anterior to root of lung

External to pericardium

Question 9

Phrenic referred pain

Answer 9

Diaphragm
Pericardium
Mediastinal Pleura

Question 10

Right vagus

Answer 10

Rt side of trachea

Posterior to right brachiocephalic vein IFC

Question 11

Left vagus

Answer 11

Lt side of aorta

Posterior to root of lung

Question 12

Right recurrent laryngeal

Answer 12

Comes off vagus at T1

Right under right subclavian artery

Question 13

Left recurrent laryngeal

Answer 13

Comes off vagus at T4-T5

Runs under aortic arch

Question 14

Thoracic duct

Answer 14

Begins at L1-L2

Receives lymph and empties into left subclavian/internal jugular junction

Question 15

Azygos system

Answer 15

Along right side of vertebral bodies
Connects SVC and IVC
Could have accessory hemiazygos on superior aspect left side of thoracic vertebrae
Hemiazygos on inferior aspect of left side of thoracic vertebrae

Question 16

Greater Splanchnic

Answer 16

T5-9

Question 17

Less Splanchnic

Answer 17

T10-11

Question 18

Least Splanchnic

Answer 18

T12