Vertebral Column: Structure, Function, and Stability
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Questions and Answers

The Vertebral Column primarily provides stability to the body.

True

Plasticity in the context of the Vertebral Column refers to the ability of the ligaments to stretch without breaking.

False

The function of rigidity in the Vertebral Column is similar to that of a ship's sail.

False

At shoulder level, the Vertebral Column supports a main-yard set vertically.

<p>False</p> Signup and view all the answers

The muscular tighteners in the Vertebral Column automatically adapt their tension to maintain rigidity and stability.

<p>True</p> Signup and view all the answers

The plasticity of the Vertebral Column allows for changes in its shape without affecting its rigidity.

<p>True</p> Signup and view all the answers

The vertebral column provides a base of support for the head and internal organs.

<p>True</p> Signup and view all the answers

There are 22 intervertebral disks in the vertebral column.

<p>False</p> Signup and view all the answers

The cervical region of the vertebral column has 5 distinct vertebrae.

<p>True</p> Signup and view all the answers

The thoracic region of the vertebral column has 10 distinct vertebrae.

<p>False</p> Signup and view all the answers

The sacral region of the vertebral column has fused vertebrae.

<p>True</p> Signup and view all the answers

Curves with a posterior convexity in the sagittal plane are known as lordotic curves.

<p>False</p> Signup and view all the answers

The secondary curves of the vertebral column in a baby are kyphotic.

<p>True</p> Signup and view all the answers

The vertebral body is built like a long bone with a dense bony cortex surrounding a spongy bone.

<p>False</p> Signup and view all the answers

The pedicles divide the vertebral arch into two parts.

<p>True</p> Signup and view all the answers

The articular processes are located behind the laminae in a typical vertebra.

<p>False</p> Signup and view all the answers

The vertebral body has discal surfaces consisting of thin cortical bone.

<p>False</p> Signup and view all the answers

The vertical trabecular systems within the spongy bone help to resist compression forces.

<p>True</p> Signup and view all the answers

Area of strengthness is found in the anterior portion of the body.

<p>False</p> Signup and view all the answers

Stability of the spine is maintained by three columns.

<p>True</p> Signup and view all the answers

The resistance R of a curved column is inversely proportional to the number N of curvatures + 1.

<p>False</p> Signup and view all the answers

The Delmas index is quantified as H/L x 100, where H is the height of the spinal column from the upper surface of S1 to the atlas.

<p>True</p> Signup and view all the answers

Area of weakness in the body is not associated with a potential collapse of the vertebrae.

<p>False</p> Signup and view all the answers

The spinal curvatures decrease resistance to axial compression forces.

<p>False</p> Signup and view all the answers

The major column in the spine is located posteriorly and made up of articular processes.

<p>False</p> Signup and view all the answers

Mobility is directly quantified by the Delmas index expressed as L/H x 100.

<p>False</p> Signup and view all the answers

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