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