Chapter 8: The skeletal System

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How many pairs of ribs does each person have?

12

The opening through which the spinal cord exits the cranial cavity is the ____ _____.

Foramen Magnum

The opening between the pedicles of two successive vertebrae that allows for the passage of spinal nerves is a ____ foramen

Intervertebral

The ribs help protect which of the following?

Liver and Lungs

The foramen _____ is a large hole where the spinal cord enters the cranium

Magnum

Name the bone that is located laterally within the forearm

Radius

Name the bones that provide protection to the contents of the thoracic cavity and the superior portion of the abdominal cavity

Ribs

Which vertebral process is a projection extending posteriorly from the vertebral arch?

Spinous

What are the components of the thoracic cage?

Sternum, Ribs, thoracic Vertebrae

What does the axial skeleton consist of ?

In the human skeleton, it consists of 80 bones and is composed of six parts; the skull bones, the ossicles of the middle ear, the hyoid bone, the rib cage, sternum and the vertebral column.

The limb bones and their girdles comprise the _______ skeleton

Appendicular

List the 5 vertebral regions

Cervical, Thoracic, Lumber, Sacra and Coccyx CTLSC

State the number of vertebrae in each region of the vertebral column.

Cervical-- 7 Thoracic-- 12 Lumbar--5 Sacral-- 5 fused vertebrae Coccyx-- 4 to 5 fused vertebrae

The bones that makeup the pectoral girdle are the ____ and the scapula.

Clavicle

The slightly S-Shaped bone that braces the shoulder is the ____

Clavicle

The _____ is a very small triangular bone at the end of the vertebral column. It is made up of 4 or 5 small fused vertebrae

Coccyx

List the sutures surrounding the parietal bones.

Coronal, Lambdoid

Collectively, the bones of the skull that protect the brain and associated sense organs are called the ______.

Cranium

When you rest your elbow on a table, the bony part of the ulna that is on the table is the:

Olecranon

The axial skeleton can be defined as which of the following?

The bones of the supporting central axis of the body

The cranial cavity encloses which of the following?

The brain


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