Respiratory Anatomy

Question 1

Where is the horizontal fissure of the right lung located?

Answer 1

Level of rib 4

Question 2

Where are the oblique fissures of the left and right lung located anteriorly?

Answer 2

At the level of rib 6

Question 3

Where are the oblique fissures of the left and right lung located posteriorly?

Answer 3

They can rise to the level of T3

Question 4

Where does the larynx become the trachea?

Answer 4

At the level of C6 vertebrae

Question 5

What vessel does the anterior intercostal arteries drain into?

Answer 5

Into the internal thoracic artery

Question 6

What vessel does the posterior intercostal arteries drain into?

Answer 6

Into the thoracic aorta

Question 7

What vessel does the anterior intercostal veins drain into?

Answer 7

Into the internal thoracic veins

Question 8

What vessel does the posterior intercostal veins drain into?

Answer 8

Into the azygous vein

Question 9

What type of muscle is the diaphragm

Answer 9

Skeletal

Question 10

From superior to inferior in what order are the contents of the intercostal neurovascular bundles?

Answer 10

Intercoastal vein, artery then nerve (VAN)

Question 11

What structure passes through the diaphragm at the level of T8 vertebrae?

Answer 11

IVC

Question 12

What structure passes through the diaphragm at the level of T10 vertebrae?

Answer 12

Oesophagus

Question 13

What structure passes through the diaphragm at the level of T12 vertebrae?

Answer 13

Aorta (Aortic hiatus)

Question 14

What type of spinal nerve does the phrenic nerve come from?

Answer 14

Anterior rami

Question 15

What level vertebrate does the anterior rami that the phrenic nerve is made up of come from?

Answer 15

C3,4,5

Question 16

What nerve supplies the serratus anterior?

Answer 16

The long thoracic nerve

Question 17

What does paralysis of the long thoracic nerve cause?

Answer 17

Winged scapula

Question 18

If a group of 3 blood vessels on either side of the sternum are seen what is it?

Answer 18

Internal thoracic artery and a pair of veins

Question 19

What is the most inferior part of the pleural cavity?

Answer 19

Costodiaphragmatic recess

Question 20

What is the most inferior part of the costodiaphragmatic recess?

Answer 20

Costophrenic angle

Question 21

What does fluid build up in the costodiaphragmatic recess result in?

Answer 21

“Blunting of angles” and a fluid level seen on CXR

Question 22

What is the “tongue” of the superior lob of the left lung called?

Answer 22

Lingula

Question 23

At what level does trachea bifurcate?

Answer 23

At level of sternal angle around T4/5

Question 24

Where do the inguinal ligaments attach between?

Answer 24

ASIS and pubic tubercle

Question 25

What is the deep inguinal ring’s relationship with the inguinal ligament?

Answer 25

It is the midpoint of the inguinal ligament

Question 26

Where do indirect inguinal hernia protrude from?

Answer 26

Deep inguinal ring and superficial inguinal ring

Question 27

Where will a direct inguinal hernia pass through?

Answer 27

Hesselbach’s triangle