Thoracic and Abdominal Wall

Question 0

What is the anterior border of the superior thoracic apeture?

Answer 0

Superior border of sternum

Question 1

What is the posterior boundary of the superior thoracic apeture?

Answer 1

T1 vertebra

Question 2

What are the lateral borders of the superior thoracic apeture?

Answer 2

First ribs and their costal cartilages

Question 3

What is the posterior border of inferior thoracic apeture?

Answer 3

T12 vertebra

Question 4

What is the anterior border of the inferior thoracic apeture?

Answer 4

Xiphisternal joint

Question 5

What are the posterolateral borders of the inferior thoracic apeture?

Answer 5

11th and 12th ribs

Question 6

What are the anterolateral borders of the inferior thoracic apeture?

Answer 6

Costal cartilages of 7th-10th ribs

Question 7

What structure separates the thoracic and abdominal cavities?

Answer 7

Diaphragm

Question 8

What are the typical contents of the intercostal space?

Answer 8

Intercostal vein, artery, and nerve

Question 9

What does the T4 region usually indicate?

Answer 9

Nipples

Question 10

What does the T6 region usually indicate?

Answer 10

Xiphoid process

Question 11

What does the T10 usually indicate?

Answer 11

Umbilicus

Question 12

What arteries supply the thorax?

Answer 12

Posterior intercostals, anterior intercostals, and internal thoracic

Question 13

What is the origin of the posterior intercostal artery?

Answer 13

Supreme intercostal arteries (intercostal spaces 1 and 2) and thoracic aorta (remaining intercostal spaces)

Question 14

What is the course of the posterior intercostal artery?

Answer 14

Pass between internal and innermost intercostal muscles

Question 15

What is the distribution of the posterior intercostal artery?

Answer 15

Intercostal muscles and overlying skin, along with parietal pleura

Question 16

What is the origin of anterior intercostal artery?

Answer 16

Internal thoracic arteries (intercostal spaces 1-6) and musculophrenic arteries (intercostal spaces 7-9

Question 17

What is the course of the anterior intercostal artery?

Answer 17

Pass between internal and innermost intercostal muscles

Question 18

What is the distribution of the anterior intercostal artery?

Answer 18

Intercostal muscles and overlying skin, along with parietal pleura

Question 19

What is the origin of the internal thoracic artery?

Answer 19

Subclavian artery

Question 20

What is the course of the internal thoracic artery?

Answer 20

Passes inferiorly, lateral to sternum, between costal cartilages and internal intercostal muscles to divide into superior epigastric and inferior epigastric and musulophrenic arteries

Question 21

What is the distribution of internal thoracic artery?

Answer 21

By way of anterior intercostal arteries to intercostal spaces 1-6 and musculophrenic arteries to intercostal spaces 7-9

Question 22

What arteries supply the anterolateral abdominal wall?

Answer 22

Musculophrenic artery, superior epigastric artery, inferior epigastric artery

Question 23

What is the origin of the musculophrenic artery?

Answer 23

Internal thoracic artery

Question 24

What is the course of the musculophrenic artery?

Answer 24

Descends along costal margin

Question 25

What is the distribution of the musculophrenic artery?

Answer 25

Abdominal wall of hypochondriac region, anterolateral, diaphragm

Question 26

What is the origin of the superior epigastric artery?

Answer 26

Internal thoracic artery

Question 27

What is the course superior epigastric artery?

Answer 27

Descends in rectus sheath deep to rectus abdominis

Question 28

What is the distribution of the superior epigastric artery?

Answer 28

Superior rectus abdominis and superior part of anterolateral abdominal wall

Question 29

What is the origin of the inferior epigastric artery?

Answer 29

External iliac artery

Question 30

What is the course of the inferior epigastric artery?

Answer 30

Runs superiorly and enters rectus sheath; runs deep to rectus abdominis

Question 31

What is the distribution of the inferior epigastric artery?

Answer 31

Inferior rectus abdominis and medial anterolateral abdominal wall