Oesophagus

Question 1

Oesophagus goes through the diaphragm at which vertebral level

Answer 1

10

Question 2

Oesophagus deviates from midline to left and returns to midline at … then deviates back to left at …. before it enters abdominal cavity

Answer 2

T5

T7

Question 3

Oesophagus enters which side of the stomach

Answer 3

Right side

Question 4

Anteroposterior curves follow …

Answer 4

Cervicothoracic cirvatures of the vertebral column

Question 5

Relations in the neck?

Answer 5

Anteriorly, trachea and rln
Posteriorly, vertebral column
Laterally, lobes of the thyroid gland

Question 6

Anterior relations in thorax

Answer 6

Trachea, left rln, left main bronchus, pericardial sac, left atrium

Question 7

Posterior relations?

Answer 7

Bodies of thoracic vertebrae,thoracic duct, azygos vein, right posterior intercostal arteries, descending aorta (lower part)

Question 8

Right relation

Answer 8

Mediastinal pleura, arch of Azygos vein

Question 9

Left relation

Answer 9

Left subclavian artery, arch of aorta, thoracic duct, mediastinal pleura

Question 10

Below lung roots relation

Answer 10

Oesophageal plexus, lt vagus anterior, rat vagus posterior

Question 11

How long is oesophagus in abdominal region

Answer 11

1 to 2.5 cm long

Question 12

1st oesophageal constriction?

Answer 12

Pharyngoesophagueal junction

15cm from incisor teeth

Question 13

2nd constriction

Answer 13

Where it is crossed by left main bronchus

22.5 cm from incisor teeth

Question 14

3rd constriction

Answer 14

Due to left atrium

27.5 from incisor teeth

Question 15

4th constriction

Answer 15

Oesophageal hiatus, opening into diaphragm

38cm from incisor

Question 16

Esophagus enters abdominal cavity in which part of the diaphragm

Answer 16

Right crus of diaphragm

Question 17

Anterior and lateral parts … by posterior surface …

Answer 17

Intraperitoneal and retroperitoneal

Question 18

Anterior relations in abdomen

Answer 18

Posterior surface of left lobe of liver and left vagus

Question 19

Posterior relations in abdomen

Answer 19

Left crus of diaphragm and right vagus

Question 20

Upper sphincter created by which muscle

Answer 20

Cricopharyngeus. Circular started fibers

Question 21

Upper third of oesophagus supplied by

Answer 21

Inferior thryroid artery

Question 22

Middle third supplied by

Answer 22

Oesophageal branches of aorta and bronchial artery

Question 23

Lower third of oesophagus supplied by

Answer 23

Left gastric artery

Question 24

Upper third drains into

Answer 24

Inferior thyroid veins(empty into brachiocephalic veins)

Question 25

Middle third drains into

Answer 25

Azygos veins

Question 26

Lower third drains into

Answer 26

Left gastric vein(tributary of hepatic portal vein)

Question 27

Lymph drainage in upper third

Answer 27

Dee cervical node

Question 28

Middle third of oesophagus lymphatic drainage

Answer 28

Superior and posterior mediastinal node

Question 29

Lower third of oesophagus lymphatic drainage

Answer 29

Nodes along the left gastric vessels and the celiac node

Question 30

Nerve supply of oesophagus is

Answer 30

Autonomic

Question 31

Parasympathetic fibers reach cervical oesophagus through

Answer 31

Rln

Question 32

Parasympathetic to thoracic part is via oesophageal plexus formed by

Answer 32

Vagus nerve

Question 33

Vasomotor sympathetic fibers (post synaptic)

Answer 33

Sympathetic chain from upper 4 or 6 thoracic segments