Thoracic Wall: Sternum/Apertures

Question 1

What is the widest and thickest part of the sternum?

Answer 1

Manubrium

Question 2

What is the upper boarder feature of the manubrium?

Answer 2

Jugular notch

Question 3

What part of the sternum will articulate with the 2nd through the 7th costal cartilages?

Answer 3

Corpus/Body/Shaft

-Thank you Morter

Question 4

T/F: The 2nd costal cartilage will articular with only the body of the sternum.

Answer 4

False. It will articulate with both the body and the manubrium- directly at the manubriosternal joint

Question 5

What part of the sternum is cartilaginous at birth, then will slowly ossify during life?

Answer 5

Xiphoid Process

Question 6

What part of the sternum is commonly fractured during CPR?

Answer 6

Xiphoid Process

Question 7

What does the articulation of the body and manubrium form?

Answer 7

Sternal Angle

Question 8

At what vertebral level does the sternal angle typiclly lie?

Answer 8

T4-T5 disc

Question 9

A patient comes to you with a barrel chest. What does this mean?

Answer 9

They have an increase in the sternal angle

Question 10

What chronic condition is often associated with an increased sternal angle?

Answer 10

Chronic Obstructive Pulmonary Disease (COPD)

Question 11

What is the opening between the neck and thoracic cavity?

Answer 11

Superior Thoracic Aperture/Thoracic Inlet

Question 12

The superior thoracic aperture is bounded by….

Answer 12

1) Manubrium
2) 1st rib
3) 1st thoracic vertebra (T1)

Question 13

Wat is the opening between the thoracic and abdominal cavities?

Answer 13

Inferior Thoracic Aperture/ Thoracic Outlet

Question 14

The inferior thoracic aperture is bounded by…

Answer 14

1) Xiphoid Process
2) Costal Margin
3) 12th Rib
4) Distal end of the 11th rib
5) 12th thoracic vertebra (T12)