Pre Lab 15 - Vertebral Column & Thoracic Cage
True/False: A feature of the second cervical vertebra is the dens.
True
The ________ separate adjacent vertebrae, and they soften the forces created by walking.
fibrocartilage
The vertebral column encloses and protects the ________.
spinal cord
The intervertebral foramina provide passageways for __________.
spinal nerves
The manubrium, body, and xiphoid process form a bone called the _______.
sternum
The 7th cervical vertebra is called the ________ and has an obvious spinous process surface feature that can be palpated.
vertebra prominens
True/False: The anterior (sternal) end of a rib articulates with a thoracic vertebra.
False
The ________ vertebrae have the largest and strongest bodies.
lumbar
Humans have ________ pairs of true ribs. A) 2 B) 5 C) 7 D) 12
7
Humans possess ________ cervical vertebrae. A) 26 B) 12 C) 7 D) 5
7
Transverse foramina of ________ vertebrae serve as passageways for blood vessels leading to the brain.
cervical
The manubrium articulates with the _________ on its superior border.
clavicle
The ________ ribs do NOT have costal cartilage attachments to the sternum. A) false B) floating C) true D) superior
floating
List 3 general functions of the thoracic cage.
1) breathing 2) supports pectoral gridle and upper limbs 3) protects thoracic and upper abdominal organs
The number of vertebrae that fuse in the adult to form the sacrum is _______.
5
The superior end of the sacrum articulates with the _______. A) coccyx B) femur C) 12th thoracic vertebra D) 5th lumbar vertebra
5th lumbar vertebra
There are _______ pairs of true ribs.
7
True/False: All cervical, thoracic, and lumbar vertebrae possess a vertebral foramen.
True
The first vertebra also is called the ________.
atlas
The most superior bone of the vertebral column is the _________. A) coccyx B) vertebra prominens C) axis D) atlas
atlas
When the head is moved from side to side, the first vertebra pivots around the ________ of the second vertebra.
dens
The last 2 pairs of ribs that have no cartilaginous attachments to the sternum are sometimes called ________.
floating ribs
Costal cartilages are composed of ________ tissue.
hyaline
The vertebral column extends from the skull to the ________.
inferior tip of coccyx
The sternal angle indicates the location of the _________ pair of ribs.
second
The _______ of the vertebrae support the weight of the head and trunk.
body
The vertebral column possesses ________. A) 4 curvatures B) 3 curvatures C) 1 curvature D) no curvatures as it is straight
4 curvatures