Axial Skeleton Review

Which two major components form the axial skeleton?

• Skull and appendicular skeleton

• Skull and vertebral column

• Vertebral column and ribs

• Cranium and facial bones

Which bone is the movable part of the jaw?

• Maxillary bone

• Zygomatic bone

• Mandible

• Cranium

How many thoracic vertebrae are typically found in the human vertebral column?

• 5

• 7

• 12

• 4

What is the primary function of the vertebral foramen in a vertebra?

• To provide attachment points for muscles.

• To allow the passage of the spinal cord.

• To articulate with other bones.

• To support body weight.

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Which feature is characteristic of the Atlas (C1) vertebra?

• A forked spinal process

• A peg-like odontoid process

• The absence of a centrum

• Small articulating surfaces

Which type of vertebra is characterized by the absence of a centrum?

• Thoracic

• Lumbar

• Axis

• Atlas

What primary movement does the Axis (C2) vertebra facilitate?

• Nodding the head

• Lateral flexion of the neck

• Rotation of the head

• Extension of the neck

How does the size of the neural canal generally change as one moves down the vertebral column from the cervical to the lumbar regions?

• It remains constant.

• It generally gets smaller.

• It generally gets larger.

• It first gets larger, then smaller.