esophagus and thoracic aorta

Question 1

which part of the esophagus is the longest?

Answer 1

thoracic part

Question 2

upper 1/3 of esophagus consists of?

Answer 2

striated muscle

Question 3

middle 1/3 of esophagus consists of?

Answer 3

striated and smooth

Question 4

lower 1/3 of esophagus consists of

Answer 4

smooth muscle

Question 5

where does the esophagus begin?

Answer 5

larygnopharynx CV6

Question 6

where does the esophagus enter the abdomen?

Answer 6

through esophageal hiatus at TV10- joins stomach at cardioesophageal junction

Question 7

what are the 2 esophageal sphincters?

Answer 7

superior- cricopharyngeus

inferior- encircling fibers of diaphragm

Question 8

what is the blood supply to the esophagus?

Answer 8

Inferior thyroid artery
Bronchial artery
Esophageal artery
Left gastric artery
Inferior phrenic artery

Question 9

what is the venous drainage of the esophagus?

Answer 9

Esophageal veins

Left gastric vein- into portal vein

Question 10

the motor fibers of the vagus nerve supply what muscle of the esophagus?

Answer 10

striated

Question 11

the parasympathetic fibers of the vagus nerve supply what muscle of the esophagus?

Answer 11

smooth

Question 12

pain fibers of esophagus are carried in the?

Answer 12

sympathetic trunk