Diaphragm

Question 1

What is the purpose of the caval opening (hiatus)?

Answer 1

to allow the inferior vena cava (IVC) to pass through

Question 2

At what vertebral level does the caval opening lie?

Answer 2

T8

Question 3

Name the diaphragmic apertures

Answer 3

caval opening, oesophageal hiatus, aortic hiatus, (sternocostal triangle)

Question 4

At what vertebral level does the aortic hiatus lie?

Answer 4

T12

Question 5

At what vertebral level does the oesophageal hiatus lie?

Answer 5

T10

Question 6

What is the motor innervation of the diaphragm?

Answer 6

phrenic nerves (C3, C4, C5)