Which of the Following Statements Are True of the Vertebral

question 136

Multiple Choice

Which of the following statements are true of the vertebral column? (Read carefully and select all of the correct statements.)

• A)There are 12 thoracic vertebrae and 8 cervical vertebrae.
• B)Discs of fibrous cartilage form the joints between vertebrae.
• C)The sacral and lumbar vertebrae each consist of 5 fused vertebrae.
• D)Within the vertebral canal is the spinal cord.
• E)The spinous and transverse processes provide for muscle attachment.
• F)The backbone as a whole is flexible because it has so many gliding joints.

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Definitions:

Optic Disc

The point of exit for ganglion cell axons leaving the eye, where the optic nerve begins, and notably lacks photoreceptor cells, creating a "blind spot."

Blind Spot

The point in the visual field that lacks light-detecting photoreceptor cells, located where the optic nerve exits the eye, creating a spot where no image is perceived.

Rods and Cones

Rods and cones are the two types of photoreceptor cells found in the retina of the eye, responsible for vision under low and bright light, respectively.

Inferior Oblique

A muscle in the eye that contributes to upward and outward eye movement.