Portage Learning: A&P 1 Module 4
What is the function of the flat bones?
Produce red blood cells; protection of internal organs (skull protects the brain).
Describe the shape of a long bone and what its design allows.
Long and thin; designed to support body weight and enable movement
Name the ...
Portage Learning: A&P 1 Module 4
What is the function of the flat bones?
Produce red blood cells; protection of internal organs (skull protects the brain).
Describe the shape of a long bone and what its design allows.
Long and thin; designed to support body weight and enable movement
Name the five basic bone shapes.
Long, flat, short, irregular, and sesamoid.
What term best describes a hollow chamber in bone, usually filled with air?
Sinus
True or false: A sulcus is a raised ridge in bone.
False
What division of the skeleton lies along the midline?
Axial
True or false: Fontanelles are present in adults.
False
What two bones of the cranium lie primarily within the skull?
The sphenoid and the ethmoid bones
True or false: The frontal bone is a paired bone of the cranium.
False
Which bone contains the foramen magnum?
The occipital bone
What is the purpose of the foramen magnum?
The spinal cord passes to become the brain stem
Sinusitis is an infection of the
Sinuses
What is the function of the nasal conchae?
To swirl the air as it is breathed in through the nasal passages, helping to warm and humidify the air
before it enters the lower respiratory system.
,What are the only unpaired bones of the facial skeleton?
The mandible and the vomer
What bone forms the anterior portion of the hard palate?
The maxilla
TERM
Foramen Magnum
LOCATION
True or false: A typical spine is completely straight when standing vertically.
False (note the typical curvatures in a spinal column)
True or false: The vertebral body is located anteriorly and can be palpated along the surface of the back.
, False (located anteriorly, but the spinous processes are the structures that can be palpated along the
surface of the back)
The vertebrae fit together to protect the ---- located in the vertebral canal.
The spinal cord
True or False: A typical thoracic vertebra has a bifid spinous process.
False
What is the purpose of transverse foramina in cervical spinal vertebrae?
Passage of vertebral arteries and veins
What region of the spine contains costal facets?
Thoracic
What is the purpose of costal facets?
Articulations with ribs
Which region of the spine has the largest vertebral bodies?
Lumbar
The line along the midline of the sacrum is called the
Median sacral crest.
True or False: Ribs 11 and 12 have no posterior attachment to the thoracic vertebrae.
False
True or false: Anteriorly, the clavicle connects to the scapula.
False
True or false: The medial border of the scapula connects directly to the neck of the scapula.
False
True or false: The subscapular fossa is located on the anterior side of the scapula.
True
Why is the glenohumeral joint prone to dislocation?
The glenoid cavity is very shallow and much smaller than the head of the humerus. The humerus needs
to be held to the shallow glenoid cavity by the rotator cuff muscles and other ligaments
The capitulum articulates with a small portion of the:
Radius
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