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Vertebral Arches: Bony Prominences and Attachments

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Vertebral Arches: Bony Prominences and Attachments

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Questions and Answers

What is the main function of the spinous processes in the vertebral arch?

To support the vertebral body

To articulate with the ribs

To serve as attachment sites for muscles and ligaments (correct)

To form joints between vertebrae

What is the main difference between the cervical vertebrae and the typical vertebra?

The bifid spinous process (correct)

The presence of lamina

The presence of articular processes

The presence of pedicles

What is the function of the transverse processes in the thoracic vertebrae?

To support the vertebral body

To articulate with the ribs (correct)

To serve as attachment sites for muscles and ligaments

To articulate with the atlas

What is the location of the articular facets on the superior and inferior articular processes?

Posteriorly on the superior facet and anteriorly on the inferior facet Signup and view all the answers

Which cervical vertebra has a spinous process that is longer than that of C2-C6 and may not bifurcate?

C7 Signup and view all the answers

What is the purpose of the pars interarticularis?

To connect the laminae and pedicles Signup and view all the answers

What is the total number of vertebrae in the vertebral column?

33 Signup and view all the answers

What is the primary function of the vertebral body?

Bearing weight Signup and view all the answers

What is the term for the smooth C-shaped curvature of the spine in the fetus?

Primary curvature Signup and view all the answers

What is the result of secondary extension in the vertebral column?

Lordosis Signup and view all the answers

What is the function of the fibrocartilaginous intervertebral disc?

Separating adjacent vertebral bodies Signup and view all the answers

What is the collective term for the openings formed by the vertebral arch and body?

Vertebral foramen Signup and view all the answers

What is the purpose of the foramen transversarium in each transverse process?

To protect the vertebral arteries and accompanying veins Signup and view all the answers

Which cervical vertebrae have uncinate processes?

C3-C7 Signup and view all the answers

What is the function of the superior articular facet on the atlas?

Articulation with the occipital condyles Signup and view all the answers

What is the unique feature of the atlas (C1) vertebra?

It has no body and no spinous process Signup and view all the answers

Which of the following is NOT a function of the vertebral arteries?

Regulating blood pressure Signup and view all the answers

What is the term for the joint between the atlas and the axis?

Atlantoaxial joint Signup and view all the answers