Thorax

Question 1

sternal part of the diaphragm arises from

Answer 1

the posterior surface of the xiphoid process

Question 2

Costal part of the diaphragm arises from the inner surface of the lower six ribs and costal cartilage

Question 3

Vertebral part of diaphragm arises from the

Answer 3

Upper three lumber vertebrae

Question 4

Functions of diaphragm

Answer 4

Muscle of inspiration
Muscle of abdominal straining
Weight lifting muscle
Passageway of different structures between the abdomen and thorax

Question 5

Describe the vena caval opening of diaphragm

Answer 5

it lies at the level of T8 vertebra in the central tendon.structures passing Through the vanacaval opening is
Inferior vana cava right phrenic nerve

Question 6

Describe esophagal opening of diaohragm

Answer 6

It lies at the level of T10 vertebra in the muscular part. Eosophagal opening contains
The esophagus
The thoracic duct
Right and left vagus nerve
Esophageal branches of left gastric vessels
Lymph vessel