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Bontrager Chapter 10 Workbook
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Bontrager Chapter 10 Workbook
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Bontrager Chapter 10 WorkbookA. Sternum
B. Thoracic vertebrae
C. 12 pairs of ribs
List the 3 structures that make up the bony thorax
Body
What is the term for the long, middle aspect of the sternum?
40
The most distal aspect of the sternum does not ossify until a person is
approximately ______ years of age
6 inches (15 cm)
The total sternum length on an average adult is about _____ inches (____ cm)
T9 to T10
The xiphoid process of the sternum is at the approximate level of the _______
vertebra
T4 to T5
The sternal angle is at the level of
Manubriosternal joint
What is another term for the sternal angle?
Sternoclavicular joint
,What is the name of the joint that connects the upper limb to the bony thorax (the
only bony connection between the bony thorax & upper limbs)?
Costocartilage
What is the name of the section of cartilage that connects the anterior end of the
rib to the sternum?
True ribs connect to the sternum by their own costocartilage.
False ribs are connected to the sternum via the costocartilage of the 7th rib.
What distinguishes a true rib form a false rib?
True
True/False: The 11th & 12th ribs are classified as false & floating ribs
False (anterior or sternal end)
True/False: The anterior aspect of the ribs is called the vertebral end
D. Tubercle
Which aspect of the ribs articulates with the transverse process of the thoracic
vertebrae?
A. Head
B. Costal angle
C. Neck
D. Tubercle
A. Artery
B. Vein
C. Nerve
List the 3 structures found within the costal groove of each rib
, posterior or vertebral ends
Which end of the ribs is most superior - the posterior vertebral ends or the
anterior sternal ends?
3 to 5 inches (7.5 to 12.5 cm)
Approximately how much difference in height is there between the 2 ends of the
ribs?
First (anterior sternal end)
Which ribs articulate with the upper lateral aspect of the manubrium of the
sternum?
8th or 9th
The bony thorax is widest at the lateral margins of which ribs?
10
How many posterior ribs are shown above the diaphragm?
Synarthrodial - immovable
Movement type:
1st sternocostal
Diarthrodial (plane or gliding) - movable
Movement type:
1st through 12th costovertebral joints
Synarthrodial - immovable
Movement type:
1st through 10th costochondral unions (between costocartilage & ribs)
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