eBook_Spine and Rib Cage

The vertebral processes that are most easily palpated along the midline of the back are the _____ processes.

-spinous

The thoracic cage includes...

the sternum and 24 ribs.

Which of these features is found in a lumbar vertebra? -Pedicles -Vertebral foramen -Spinous process -Vertebral arch -All of the choices are correct.

-All of the choices are correct.

What is the correct order for the vertebral regions, from superior to inferior?

-Cervical - thoracic - lumbar - sacral - coccygeal

Which features are found only on thoracic vertebrae?

-Costal facets and demifacets.

Which feature is unique to the axis?

-Dens.

How many pairs of ribs articulate (directly or indirectly) with the sternum?

10

How many pairs of ribs are "floating ribs" that do not articulate with the sternum?

2

Match the division of the vertebral column with its description.

Also called the "tailbone": Coccyx Seven vertebrae: Cervical vertebrae Five fused vertebrae: Sacrum Each one connects to a rib pair: Thoracic vertebrae

The inferior articular processes of each vertebra articulate with the superior articular processes of the vertebra immediately cranial to it. (True or False)

-False.

Which is not a function of the vertebral column? -Supporting the weight of the head -Maintaining upright body position -Passageway for cranial nerves -Passageway for spinal nerves

-Passageway for cranial nerves.

Which of the following is not a function of the vertebral column? -Provide support for the muscles of the arm -Help transfer axial skeleton weight to the lower limbs -Provide vertical support for the body -Support the weight of the head

-Provide support for the muscles of the arm.

Select all that are true of rib anatomy. -The costal groove marks the path of nerves and blood vessels to the thoracic wall. -The rib tubercle articulates with the body of a thoracic vertebra. -The head articulates with the transverse costal facet. -Every rib articulates with a vertebra.

-The costal groove marks the path of nerves and blood vessels to the thoracic wall. -Every rib articulates with a vertebra.

The occipital condyles articulate with the...

-atlas.

The red line in the figure is pointing to the...

-atlas.

Transverse foramina are found in _____ vertebrae.

-cervical

The _________ provide passageways for spinal nerves to exit the vertebral column and travel to other parts of the body.

-intervertebral foramina.

The superior portion of the sternum is called the...

-manubrium.

The vertebral column includes ___ cervical, ___ thoracic, and ___ lumbar vertebrae.

7; 12; 5

Match the part of the sternum with its description

Inferior tip of the sternum: Xiphoid process Longest part of the sternum: Body Most superior part of the sternum: Manubrium