Chapter 7- Axial Skeleton

The __ discs are pads of fibrocartilage separating adjacent vertebral bodies.

Intervertebral

An exaggerated thoracic curvature directed posteriorly that often results from osteoporosis is known as a "hunchback" or __.

Kyphosis

The thoracic cage consists of the ___.

-Sternum -thoracic vertebrae -ribs

structural feature of the Rib consists of

-head -neck -tubercle -costal groove -shaft

Which are functions of the axial skeleton?

-protect organs -forms framework

The two main divisions of the skeletal system are the ___ skeleton and the ____ skeleton.

-Axial -Appendicular

Which are the functions of the axial skeleton?

-Forms a framework -Protects organs

Which component are part of the appendicular skeleton?

-Pectoral girdle -Upper Limb -Lower Limb -Pelvic girdle

Which are the primary curves present in the vertebral column of a newborn?

-Sacral curvature -Thoracic curvature

Which skeletal regions are part of the axial skeleton?

-Skull -Vertebral Column -Thoracic cage

The thick spinous processes of lumbar vertebrae provide extensive area for the attachment of__.

Back muscles

Which part of the sternum has articular costal itches representing the attachment points for the costal cartilages of rib 2-7?

Body

Which secondary curve of the vertebral column develops as a result being able to hold up its head without support?

Cervical curvature

The clavicular notches of the manubrium articulate with the ___.

Clavicles

The last two pairs of false ribs lack connections with the sternum, so they are classified as ____.

Floating ribs

An acupuncture needle accidental inserted through the sternal foramen may puncture the organ called the __.

Heart

An exaggerated lumbar curvature often caused by the added abdominal weight associated with pregnancy is known as "swayback" or __.

Lordosis

There superasternal notch is located in which part of the sternum?

Manubrium

Which type of vertebrae start to fuse together shortly after puberty and are completely fused between ages 20 and 30?

Sacral

Which structural feature, resulting from the failure of the left and right ossification centers of the sternal body to completely fuse, may be misidentified as a bullet wound?

Sternal Foramen

Which component of the thoracic cage consists of a manubrium, body, and xiphoid process?

Sternum

Which vertebrae have long, pointed spinous processes and costal facets or costal demifacets representing sites of articulation with the ribs?

Thoracic

What are the lateral projections on both sides of the vertebral arch?

Transverse processes

(True or False) The axial skeleton forms a framework to support and protect the internal organs?

True

Vertebra C7 is also called the__.

Vertebra prominens

What passes through the transverse forming of the cervical vertebrae?

Vertebral arteries

Which part of the axial skeleton provides vertical support for the body while hosting protecting the spinal cord?

Vertebral column