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15 Cards in this Set
- Front
- Back
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What are the 3 parts of the sternum?
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Manubrium, gladiolus, xiphoid
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How many notches does the manubrium have and what are they called?
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4, clavicular notches and costal notches that represent articulations for the first ribs costal cartilages
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What is the shallow indentation between the clavicular notches called?
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Jugular notch or suprasternal notch
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What is the longest part of the sternum?
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The central body
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Where do ribs 2-7 attach on the sternum?
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On the costal notches on the lateral part of the manubrium
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What is the sternal angle?
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Where the body and the manubrium articulate that may be palpated under the skin.
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why is the sternal angle an important landmark?
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Because the costal cartilages of the 2nd ribs attach here, thus it may be used to count the ribs.
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What is present in the sternum in 4-10% of all adults?
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Sternal foramen
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How is the sternal foramen created?
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failure of the left and right ossification centers of the sternal body to fuse completely.
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Acupuncture can be dangerous in the sternum, why?
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Because of the sternal foramen
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what is a small, inferior cartilaginous projection that does not attach to the ribs, but does serve as an attachment side for abdominal muscles?
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The xiphoid
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When does the xiphoid ossify?
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After age 40
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Why is fracture of the xiphoid a big deal?
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blunt trauma to the xiphoid may fracture it off the body and drive it into the liver or heart.
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What is the article sacrifice 101 about?
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How the aztecs sacrificed their victims.
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What is the incision called that the priests would make to sacrifice their victims?
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A bilateral tranverse thoracotomy
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