Vertebral Column

Question 1

Presacral Vertebrae

Answer 1

Located superior to the sacrum, 24 total

Question 2

Sacrum

Answer 2

5 fused vertebrae

Question 3

Coccyx

Answer 3

4 small coccygeal vertebrae

Question 4

Cervical Vertebrae

Answer 4

7 total, in the neck

Question 5

Thoracic Vertebrae

Answer 5

12 total, attached to the ribs

Question 6

Lumbar Vertebrae

Answer 6

5 total in the lower back

Question 7

Interertebral discs

Answer 7

23 pads of fibrocartilage are btwn each vertebrae
Two segments: Outer ring of fibrocartilage and semi solid center
Act as shock absorbers

Question 8

Annulus Fibrosis

Answer 8

Outer ring of fibrocartilage

Question 9

Nucleus Pulposus

Answer 9

Semi solid center

Question 10

Herniated Disc “Slipped disc)

Answer 10

Damage to annulus fibrosis allows for nucleus pulposus to squirt out potentially harming spinal nerves

Question 11

Normal curvature of Spine

Answer 11

S- shaped (Lateral view)
The cervical and lumbar regions project foward
Thoracic and sacral regions curve backward
Anterior view this looks straight

Question 12

Atlas

Answer 12

Cervical 1 vertebrae

Fused to the skull

Question 13

Axis

Answer 13

Cervical 2 vertebrae

Forms the pivot point that permits rotation of the head

Question 14

Dens of axis

Answer 14

Allows for piovting

Question 15

Transvrse processes

Answer 15

Two projections of the vertebra, lateral

Question 16

Spinous process

Answer 16

One projects dorsally allow muscles to attach

Question 17

Transverse Foramina

Answer 17

Small openings allow for vertebral arteries to pass through the neck on their way to the brain
ON the transverse processes of the cervical vertebrae

Question 18

Intervertebral Foramina

Answer 18

On ALL vertebrae

Lateral openings that provide unrestrcted passage way for the spinal nerves to enter or excit the spinal cord.

Question 19

Auricular surfaces of the Sacrum

Answer 19

two ear-shaped surfaces

Covered with hyalin cartilage and from sacroiliac joints

Question 20

Scoliosis

Answer 20

Alignment to one side or another

Question 21

Lordosis

Answer 21

Projection of thoracic spine with exaggerated anterior lumbar curvature
Happens in pregnancy

Question 22

Kyphosis

Answer 22

Humpback or hunch back

Foward curvature of the thoracic vertebrae

Question 23

Alteration in the alignment

Answer 23

May be consequence of decreased bone mass associated with aging or osteoporosis