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26 Cards in this Set
- Front
- Back
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How many bones are in the axial skeleton?
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80
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Which bones make up the axial skeleton?
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ribs, hyoid, bones of the skull, vertebral column, and sternum
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How many vertebrae in the vertebral column?
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33
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What is the hyoid?
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a msall floating bone between the floor of the mouth and the upper anterior neck
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What is the function of the hyoid?
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it assists the tongue in swallowing and the larynx in speech.
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What makes up the thoracic cage?
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the 12 pairs of ribs and the sternum
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What is the function of the thoracic cage?
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protect the lungs and heart, yet provide flexibility during breathing
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What is between the vertebrae?
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fibrocartilaginous pads known as intervertebral discs
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What is the vertebral foramen?
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The large hole where the spinal cord is located.
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What is the function of the superior articular facet?
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it articulates with the vertebra above
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What is the function of the inferior intervertebral facet?
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it articulates with the vertebra below it.
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Is the cervical curvature concave or convex?
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convex (bowed forward)
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Is the thoracic curvature concave or convex?
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concave
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Is the lumbar curavature concave or convex?
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convex
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Is the sacral curvature concave or convex?
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concave
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What is kyphosis?
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an exaggerated thoracic curvature
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What is scoliosis?
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it is a lateral curvature
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What is lordosis?
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an exaggerated lumbar curvature.
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What is the function of the four curvatures in our spines?
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they allow for balance when standing upright.
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How many cervical vertebrae are there?
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7
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How are cervical vertebrae distinguished from all the other vertebrae?
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they have 3 foramina (openings)
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What is the function of the transverse foramina?
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they house the vertebral arteries and vertebral veins
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What is the name of the C1 vertebrae?
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the atlas
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What is the name of the C2 vertebrae?
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the axis
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What is the function of the atlas?
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carries the weight of the head.
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What is the function of the axis?
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it allows the atlas to rotate.
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