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24 Cards in this Set
- Front
- Back
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What are the functions of the bony thorax?
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protects heart and lungs
supports pleural wall cavity and diaphragm vary the volume of thoracic cavity during respiration |
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Where is the location of the sternum?
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Centered in the midline of anterior thorax
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What type of bone is the sternum?
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Narrow and flat bone
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What size is the sternum?
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About 6 inches in length
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Name the three parts of the sternum?
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Manubrium (most superior)
Body Xiohoid process (most inner) |
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What do the sternum support?
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The clavicles at manubrial angles (which forms sternoclavicular joint)
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What is attached to the lateral border of the sternum?
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The first seven pairs of ribs
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Where is the external landmark for the manubrium?
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Lies at T2-T3 interspace
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The body is the _______ portion of the sternum
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longest
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Where does the body join the manubrium?
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Sternal Angles
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Where do the sternal angle lie
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T4-T5 interspace
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Xiphoid process is the ______ portion and ______ of the sfernum
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smallest, distal
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Where do the xiphoid process lies
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Lies over T-10
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How many pairs of ribs are there?
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12
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What type of bone is the rib?
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classified as long, narrow and curved bones
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What are the true rib
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ribs 1-7 b/c they attach directly to the sternu
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What are the false ribs
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ribs 9-12 b/c they attach to cartilage of the rib above
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The typical rib consist of
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Head
Neck Tubercle Body |
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What do the head of the rib articulate with
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vetebral bodies
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What do the vetebral body form
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Costovertebral joints
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Tubercles articulate with
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T-spine transverse processes
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What do the t-spine transverse process form
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Costotransverse joints
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Why are ribs 11-12 called floating ribs
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Because they only attach to the vetebra, no anterior attachment
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PA Oblique (Sternum)
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RAO position
pt15-20 degeree recumbent IR 1 1/2 in above IR Long axis to midline CR perpendicular IR, entering |
