The Chest

Question 1

What are the bones in the sternum

Answer 1

• the sternal notch is at the top
• the manubrium is the bit on the top that’s connected to T1
• the body of the sternum is next
• the Xiphisternal joint connects the body to the Xiphoid process

Question 2

What are costal cartilages?

Answer 2

They are segments of cartilage connecting the sternum to the ribs (also help to extend the ribs in a forward motion)

Question 3

Where/ what is the costal margin?

Answer 3

It’s cartilage along the edge of the 8th to 10th ribs in the middle of the chest and allows the ribs that don’t come into contact with the sternum to articulate (having a joined segment) rather than having it floating in the chest so this protects heart and lungs

Question 4

How many ribs are there?

Answer 4

24

Question 5

Where is the Aortic knuckle?

Answer 5

The left lateral edge of the aorta which in under the trachea and usually sticks out a bit

Question 6

What and where are the hila?

Answer 6

They are normal areas in both lungs that are found in the centre of the X-Ray. They are the site of origin for large blood vessels that carry the blood to the lungs. They aren’t symmetrical

Question 7

What are costophrenic recesses?

Answer 7

They are seen on each side