QuestionSBA
QuestionChoice
The 11th and 12th ribs are the last two sets of ribs in the thoracic cage and  are known as the 'floating ribs'. There is no 13th rib.
10000510
e
11th, 12th and 13th ribs
QuestionChoice
The clavicle is not referred to as a rib at all, and does not form part of the thoracic cage.
10000509
d
The clavicle
QuestionChoice
These ribs attach directly to the sternum via the costal cartilage and are known as 'true ribs'.
10000508
c
1st, 2nd, 3rd, 4th, 5th, 6th and 7th ribs
QuestionChoice
These ribs do not directly attach to the sternum, but instead attach the cartilage of the 7th ribs - and so are known as 'false ribs'.
10000506
a
8th, 9th and 10th ribs
QuestionChoice
These ribs are the lowest two sets of ribs. They do not attach to the sternum or any other structure at all, and so are known as 'floating ribs'.
10000507
b
11th and 12th ribs
Concept
Chapter
2693
3778
The role of chest muscles in breathing
Topic
150
Respiratory physiology
12648
Which structures are described as 'false ribs'?
a