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rib comp 1

rib comp qestions

Function of the bony thorax to protect the heart and lungs, support the walls of the pleural cavity, support the diaphragm during inspiration and allow for change in volume with respiration.
what forms the bony thorax? sternum, 12 pair of ribs, 12 thoracic vertebrae
how long is the sternum? 6”
what type of bone is the sternum? flat bone
purpose of the sternum support the clavicle and superior manubrial angles, and provides attachment for the 1st 7 pair of ribs.
Name the 3 parts that make up the sternum manubrium, body, xiphoid process
What is special about the xiphoid process? it doesn’t ossify until late in life
The xiphoid process can serve as a landmark for what internal structures? the superior border of the liver and inferior border of the heart
The costal cartilage is made up of what? hyaline cartilage
Alternate names for the sternal body corpus or gladiolus
How long is the body of the sternum? 4”
T10 is a landmark for what soft tissue anatomy? superior border of the liver and inferior border of the heart.
How does the location of sternal angle change when the patient is supine? it moves superiorly
What runs through the costal grove? arteries, veins and nerves
Which ribs attach directly to the sternum? 1-7
How do the ribs move with inspiration? the anterior ribs move anteriorly, superiorly and laterally
How do the ribs move with expiration? the anterior ribs move posteriorly, inferiorly and medially
How are the ribs situated in the body? they slant anterior and inferiorly 3-5 inches.
True ribs 1-7
False ribs 8-12
Floating ribs 11-12
Parts of a rib (1-10) head, neck, tubercle, body.
Parts of a rib (11-12) head, tubercle (without facet), body.
What makes up the SC joints? sternal extremity of the clavicle and clavicular notches of the manubrium.
What makes up the costovertebral joints? head of the rib and demifacets of 2 adjacent vertebrae
What makes up the costotransverse joint? tubercle of a rib and transverse process of a vertebra
Created by: annaluz87
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