Skeletal System - (Short Answer)

The nasal bone forms the bridge of the nose and articulates with all other cranial bones.

The metopic suture unites the left and right sides of the frontal bone and usually disappears between the ages of 6 and 8.

The occipital bone forms the posterior part and most of the base of the cranium.

<p>The temporomandibular joint is formed by the mandibular fossa and articular tubercle, allowing for articulation with the mandible.</p> Signup and view all the answers

<p>Mastoiditis is caused by this type of infection.</p> Signup and view all the answers

<p>The sphenoid bone is a wedge-shaped bone located in the middle part of the skull.</p> Signup and view all the answers

<p>The lacrimal bone is the paired, thin, smallest bone of the face located posterior and lateral to the nasal bone.</p> Signup and view all the answers

<p>Sutures are immovable joints that hold most skull bones together.</p> Signup and view all the answers

<p>The palatine bones form the posterior portion of the hard palate.</p> Signup and view all the answers

<p>There are four normal curves: cervical and lumbar curves are convex forward, while thoracic and sacral curves are concave.</p> Signup and view all the answers

<p>They may be progressively lost, leading to increased kyphosis and osteoporosis.</p> Signup and view all the answers

<p>The sternum consists of three parts: the manubrium, body, and xiphoid process.</p> Signup and view all the answers

<p>The atlas allows for 'yes' motion of the head due to its lack of a body and spinous process.</p> Signup and view all the answers

<p>The axis has a dens or odontoid process that enables rotation of the atlas, allowing 'no' motion.</p> Signup and view all the answers

<p>The lumbar vertebrae are the largest and strongest unfused bones in the vertebral column.</p> Signup and view all the answers

<p>Humans have 12 pairs of ribs.</p> Signup and view all the answers

<p>True ribs are ribs 1-7, which have direct attachment to the sternum through costal cartilage.</p> Signup and view all the answers

<p>Floating ribs are the 11th and 12th ribs, which do not attach to the sternum at all.</p> Signup and view all the answers

<p>The sacrum is formed by the union of five sacral bones.</p> Signup and view all the answers

<p>They begin to close 1-2 months after birth.</p> Signup and view all the answers

<p>They transmit air vibrations from the outer ear to the inner ear for sound processing.</p> Signup and view all the answers

<p>It does not articulate with any other bone.</p> Signup and view all the answers

<p>The adult vertebral column consists of 26 vertebrae.</p> Signup and view all the answers

<p>The thoracic and sacral curves are the primary curves.</p> Signup and view all the answers

<p>All curves are usually fully developed by age 10.</p> Signup and view all the answers

<p>An anteriorly convex cervical curve develops.</p> Signup and view all the answers

<p>The cervical and lumbar vertebrae are the secondary curves, developing later in infancy.</p> Signup and view all the answers

<p>The average height is about 71 cm or 28 inches.</p> Signup and view all the answers

<p>The hyoid bone, along with laryngeal and tracheal cartilages, can often be fractured.</p> Signup and view all the answers

<p>It attaches the bones of the upper limbs to the axial skeleton.</p> Signup and view all the answers

<p>The clavicle is the most frequently fractured bone in the body.</p> Signup and view all the answers

<p>There are 30 bones in the upper extremity on one side.</p> Signup and view all the answers

<p>The proximal radioulnar joint and the distal radioulnar joint.</p> Signup and view all the answers

<p>The trochlear notch forms the elbow with the olecranon.</p> Signup and view all the answers

<p>Scaphoid, lunate, triquetrum, and pisiform.</p> Signup and view all the answers

<p>The thumb has 2 phalanges.</p> Signup and view all the answers

<p>The ulna is located on the medial aspect of the forearm.</p> Signup and view all the answers

<p>The articulation between the carpals forms the intercarpal joints.</p> Signup and view all the answers

<p>The trapezium is a 4-sided figure with no two sides parallel.</p> Signup and view all the answers

<p>Sutures and syndesmoses.</p> Signup and view all the answers

<p>Hyaline cartilage.</p> Signup and view all the answers

<p>They permit limited movement.</p> Signup and view all the answers

<p>A broad, flat disc of fibrous cartilage.</p> Signup and view all the answers

<p>The presence of an articular cavity.</p> Signup and view all the answers

<p>Hyaline cartilage.</p> Signup and view all the answers