TBL Thoracic wall and diaphragm

A medical student is revising the boundary of the thoracic inlet. He found that its anterior boundary is formed by a bone present in the wall of the chest?

• Body of the sternum

• Manubrium sterni

• First rib

• First thoracic vertebrae

A surgeon while performing surgery on the diaphragm is tracing the opening of the inferior vena cava. Which of the following part of the diaphragm contain this opening?

• Central tendon

• Right crus of the diaphragm

• Left crus of the diaphragm

• Sternal attachment of the diaphragm

The two anterior intercostal arteries are present in 9 intercostal spaces. Which of the following arteries give rise to the stated artery in the upper six intercostal space?

• Superior epigastric artery

• internal thoracic artery

• Musculophrenic artery

• Posterior intercostal artery

During cadaveric dissection, the graduate student m examine an intercostal muscle near the lateral margin of the sternum in the 6th intercostal space.

Which of the following muscle most likely the graduate has identified?

• External intercostal muscle

• Internal intercostal muscle

• Intercostalis intimus muscle

• sternocostalis muscle

The posterior intercostal arteries are present in 11 intercostal spaces. Which of the following arteries give rise to 1st posterior intercostal artery?

• Superior intercostal artery

• Costocervical trunk

• Subclavian artery

• Thyrocervical trunk

The intercostal nerves are the anterior primary rami of

thoracic one to thoracic eleven spinal nerves

after the dorsal primary ramus has been given off.

Which of the following are typical intercostal nerves?

• T1-T2

• T12

• T3-T6

• T7-T11