Cardiovascular Anatomy-Thoracic Wall

Question 1

What are true ribs

Answer 1

Attach directly to sternum via costal cartilages

Question 2

What are false ribs

Answer 2

Attach indirectly to sternum via 7th costal cartilage

Question 3

What are floating ribs

Answer 3

No attachment to the sternum

Question 4

Which ribs are the floating ribs?

Answer 4

11th and 12th ribs

Question 5

Which ribs are the true ribs?

Answer 5

1-7

Question 6

Which ribs are the false ribs?

Answer 6

8-10

Question 7

Which rib has grooves for subclavian?

Answer 7

1st rib

Question 8

Where is the most common site on the rib for a fracture?

Answer 8

angle of rib

Question 9

What structures pass through the Thoracic Inlet?

Answer 9

Major arteries off aorta, major veins to SVC, trachea, esophagus, phrenic n, vagus n

Question 10

What structures pass through the Thoracic Outlet?

Answer 10

IVC, aorta, esophagus, sympathetic nn, vagus nerve plexus

Question 11

What are the joints of the thoracic cage?

Answer 11

-Manubriosternal
-Sternocostal
-Costochondral
-Xiphisternal
-Costovertebral
-Costotransverse

Question 12

What vertebrae are in line with the sternal angle?

Answer 12

T4/T5

Question 13

Which rib is in line with the sternal angle?

Answer 13

2nd rib

Question 14

What anatomical landmark marks the start and endpoint of the aortic arch?

Answer 14

The Sternal Angle

Question 15

What contents make up the Intercostal Space?

Answer 15

Intercostal Muscles and Intercostal VAN

Question 16

Where does the Posterior Intercostal Veins drain?

Answer 16

All drain into azygos system which then drains into SVC

Question 17

Where does the Anterior Intercostal Vein drain?

Answer 17

Drain into internal thoracic vein which then drains into Brachiocephalic