Thoracic Skeleton And Muscles Of Repsiration

Question 1

Thoracic inlet

Answer 1

Formed by rib1, manubrium of sternum, vertebrae

Question 2

Manubrium

Answer 2

Most superior part of sternum

Question 3

Xiphoid process

Answer 3

Most inferior part of sternum

Question 4

Sternal angle

Answer 4

Joint between manubrium and body of sternum
Overlies arch of aorta, azygous vein crosses at sternal angle, location of second rib

Question 5

Tubercle

Answer 5

Lump of bone
Sites of articulation with vertebral column

Question 6

Costal groove

Answer 6

Bone indent
Neurovascular bundle through it

Question 7

Costal cartilage

Answer 7

Connects ribs to sternum (ribs 1 to 7)

Question 8

False ribs

Answer 8

8,9,10
Articulate with costal cartilage of ribs above

Question 9

Floating rib

Answer 9

11,12
No cartilage associated with them, no connection with sternum

Question 10

True ribs

Answer 10

1-7
Direct connection to sternum through own costal cartilage

Question 11

Levels of passing through diaphragm

Answer 11

IVC - T8 (8 letters in vena cava)
Oesophagus - T10
Aorta - T12

Question 12

Phrenic nerves

Answer 12

C3 C4 C5 keep diaphragm alive