AnatomyChapter 5

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Two or more bones meet at a location called a(n) ________.

Articulation (joint)

The skull, vertebral column, and thoracic cage form the _____ skeleton.

Axial

What type of fracture is common in osteoporotic bones of older people?

Compression

What type of fracture has a broken bone portion pushed inward?

Depressed Fracture

Julie experienced a break in the shaft of her femur. What part of her bone is fractured?

Diaphysis

You examine an articulated skeleton in the laboratory & determine the skeleton to be female since

Distance between the female ischial spines is greater than in a male

What does collagen contribute as a component of bone?

Elasticity

Which of the following is only associated with a child's bone?

Epiphyseal plate

Differentiate among the three types of joints based on structural and functional classifications. Provide examples of each type of joint:

Fibrous: Synthroses (immoveable) Example: Sutures Cartilaginous: Amphiarthroses (Slightly moveable) Example: Vertebrae Synovial: Diarthroses (Moveable) Ex: Knee

The fibrous connections between the bones of a fetal skull are

Fontanels

The large hole located in the base of the occipital bone that allows the spinal cord & brain to connect is the

Foramen magnum

The head of the humerus fits into the _____ of the scapula.

Glenoid Cavity

What type of fracture has an incomplete bone break?

Greenstick Fracture

What type of fracture involves broken bone ends forced into each other?

Impacted fracture

What is not a function of the skeletal system?

Regulation of blood pressure

Which type of rib connects directly to the sternum by way of costal cartilage?

True ribs only

What bones protect the spinal cord?

Vertebra

What will decrease a person's risk for developing osteoporosis?

Weight-Bearing Exercises

Which hormone is responsible for raising blood calcium levels when they drop?

Parathyroid hormone (PTH)

How would you classify the shoulder and hip joints?

Ball and socket joints

From superior to inferior, what is the correct order of vertebra?

Cervical, thoracic, lumbar

What type of fracture involves the bone breaking into many fragments?

Comminuted fracture

The femur, tibia, humerus, and radius are all classified as

Long bones

Which spinal curvature is associated with lower back and appears when a baby begins to walk?

Lumbar

Which spinal curvature is associated with lower back and appears when a baby begins to walk?

Ossification

What type of bone cell is primarily active when bone growth occurs?

Osteoblast

When growing bones widen through appositional growth, what cells add bone matrix to the diaphysis?

Osteoblasts

Cube-shaped bones that contain mostly spongy bones are called

Short

The axial skeleton contains

Skull, thoracic cage, true and false ribs

What type of fracture has a ragged bone break resulting from twisting forces?

Spiral

The temporal bones are joined with the parietal bones at the _____ sutures.

Squamous

What does yellow bone marrow do?

Store adipose tissue

Immovable joints are classified as

Synarthroses

What type of joint has a joint cavity, ligaments, & articular cartilage?

Synovial


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