Diaphragm

Question 1

Where does the diaphragm attach?

Answer 1

Attaches anteriorly at the xiphoid process

Attaches posteriorly to the 12 rib

Question 2

What is the direction of the fibers in the diaphragm?

Answer 2

Vertical

Question 3

What is the function of the diaphragm?

Answer 3

Contracts inferiorly to increase the volume of the thorax

Question 4

What are arcuate ligaments?

Answer 4

ligaments formed by muscles or structures passing through the diaphragm

Question 5

What does the lateral arcuate ligament sit over?

Answer 5

Quadratus lumborum

Question 6

What does the medial arcuate ligament sit over?

Answer 6

Psoas major

Question 7

What does the median arcuate ligament sit over?

Answer 7

Allows the passage of the aorta at the T12 thoracic vertebral level

Question 8

Name the 3 arcuate ligaments

Answer 8

Lateral arcuate ligament
Medial arcuate ligament
Median arcuate ligament

Question 9

At what vertebral level does the abdominal part of the eosophagus pass through the diaphragm?

Answer 9

At the T10 vertebral level

Question 10

At what vertebral level does the inferior vena cava pass through the diaphragm?

Answer 10

At the T8 vertebral level

Question 11

What nerve innovates each side of the diaphragm?

Answer 11

Phrenic nerve

Question 12

What arteries supply the diaphragm?

Answer 12

Superior phrenic arteries supply blood to top half

Inferior phrenic arteries suplly blood to lower half