Axial Skeleton

body

Choose which term fits the description: The (body or spinout) process of a typical vertebra forms the rounded, central portion that faces anteriorly in the human vertebral column.

Sacroilliac joint

How does the axial skeleton articulate with the appendicular skeleton inferiorly?

Sternoclavicular joint

How does the axial skeleton articulate with the appendicular skeleton superiorly?

7

How many cervical vertebrae are there?

5

How many lumbar vertebrae are there?

12

How many thoracic vertebra are there?

seven pairs

How many true ribs (ones that attach directly to the sternum) are there?

fibrocartilage

Intervertebral discs are pads of __________ that cushion the vertebrae and absorb shock.

mandibular symphasis

Name each skull marking based on its description: middle of the chin

external occipital protuberance

Name each skull marking based on its description: midline prominence posterior to the foramen magnum

supraorbital foramen

Name each skull marking based on its description: superior orbital margin

mastoid process

Name each skull marking based on its description: temporal bone; behind the ear

sphenoid

Name the cranial bone based on its description: bat-shaped, forming part of the cranial base

temporal

Name the cranial bone based on its description: lateral and inferior

frontal

Name the cranial bone based on its description: forehead

occipital

Name the cranial bone based on its description: posterior

parietal

Name the cranial bone based on its description: sides: superior and lateral

mandible

Name the facial bone based on its description: lower jawbone

zygomatic

Name the facial bone based on its description: cheekbone

lacrimal

Name the facial bone based on its description: medial orbit; tear passageway

palatine bones

Name the facial bone based on its description: posterior hard palate

maxillae

Name the facial bone based on its description: upper jawbones

Sacrum and coccyx

Name the fused sections of the vertebral column.

Body of sternum

Name the highlighted bone

Manubrium of the sternum

Name the highlighted bone

Xiphoid process of the sternum

Name the highlighted bone

spinous process

Name the regions of a typical vertebrae based on its description: single medial and posterior projection important for muscle attachment

transverse processes

Name the regions of a typical vertebrae based on its description: two lateral projections that articulate with the ribs in thoracic region

body

Name the regions of a typical vertebrae based on its description: rounded central weight-bearing portion

sternum

The ______, commonly referred to as the breastbone, is a flat bone formed by the fusion of three bones: the manubrium, the body, and the xiphoid process.

D

The axial skeleton is composed of all of the following EXCEPT __________. A. the vertebral column B. the skull C. the thoracic cage D. the pectoral girdle

B

The skull is made up of all of the following EXCEPT __________. A. zygomatic bone B. hyoid bone C. sphenoid bone D. parietal bone

Four

The vertebral column consists of how many curvatures?

Herniated disc

This is the term used to describe when the anulus fibrosus ruptures and the nucleus pulposus protrudes through it.

False

True or False: The first seven pairs of ribs are called floating ribs because they have only indirect cartilage attachments to the sternum.

coccyx

What is the name of the highlighted structure?

sacrum

What is the name of the highlighted structure?

Atlas

What is the name of this vertebrae?

Axis

What is the name of this vertebrae?

Hyaline Cartilage; Connective Tissue

What kind of tissue is costal cartilage?

cervical

What section of the spinal column does this vertebrae belong?

lumbar

What section of the spinal column does this vertebrae belong?

thoracic

What section of the spinal column does this vertebrae belong?

B

When combined with the costal cartilages, the bony thorax is also known as __________. A. the skull B. the thoracic cage C. the hip D. none of these

C

Where can the hyoid bone be palpated? A. on each side of the bridge of the nose B. on the back of the head C. beneath the chin D. behind the ear

body

Which region of the sternum articulates with the greatest number of ribs?

11-12

Which ribs are considered floating ribs?

8-10

Which ribs have indirect cartilage attachments to the sternum?

Pedicle, lamina, spinous process

Which three structures form the vertebral arch?

Thoracic

__________ vertebrae articulate with the ribs.

vomer

nasal septum