Lab 15- Vertebral Column and Thoracic Cage(test 2)

Question 1

Cervical vertebrae

Answer 1

7

• C1 is atlas
• C2 is axis
• C7 is vertebra prominens

Question 2

throacic vertebrae

Answer 2

12

Question 3

lumbar vertebrae

Answer 3

5

Question 4

sacrum

Answer 4

5 fused vertebrae

• superior articular process: superior projection with a facet articulation site
• anterior sacral foramen: passageway for blood vessels and nerves
• posterior sacral foramen: passageway for blood vessels and nerves
• sacral promontory: anterior border of S1; important landmark for obstetricians
• sacral canal: portion of vertebral canal
• median sacral crest: area of fused spinous processes
• sacral hiatus: inferior opening of vertebral canal

Question 5

coccyx

Answer 5

formed by 3 to 5 fused vertebrae

Question 6

intervertebral discs

Answer 6

fibrocartilage

Question 7

vertebral canal

Answer 7

contains the spinal cord

Question 8

cervical curavture

Answer 8

curve of the cervical vertrbrae

Question 9

thoracic curvature

Answer 9

curve of the thoracic vertebrae

Question 10

lumbar curvature

Answer 10

curve of the lumbar vertebrae

Question 11

sacral (pelvic) curvature

Answer 11

curve of the pelvis and sacrum

Question 12

intervertebral foramina

Answer 12

passageway for spinal nerves

Question 13

vertebral foramen

Answer 13

location of the spinal cord

Question 14

body

Answer 14

largest part of the vertebrae; main support portion

Question 15

pedicles

Answer 15

form lateral area of vertebral foramen

Question 16

laminae

Answer 16

thin plates forming posterior area of vertebral foramen

Question 17

spinous processes

Answer 17

posterior projection

Question 18

transverse processes

Answer 18

lateral projections

Question 19

facets

Answer 19

articulating surfaces

Question 20

superior articular process

Answer 20

superior projections

Question 21

inferior articular processes

Answer 21

inferior projections

Question 22

inferior vertebral notch

Answer 22

space for nerve passage

Question 23

transverse foramina

Answer 23

only present in cervical vertebrae; passageway for blood vessels

Question 24

dens (odontoid process) of axis

Answer 24

superior process of C2 and is a pivot location at atlas

Question 25

rib

Answer 25

head-expanded end near thoracic vertebra
tubercle-projection near thoracic vertebra
neck-narrow region between head and tubercle
shaft-main portion
anterior (sternal) end-costal cartilage location
facets-articulation surfaces
true ribs-1-7
false ribs-8-12
*floating ribs-10-12

Question 26

costal cartilage

Answer 26

hyaline cartilage

Question 27

sternum

Answer 27

jugular (suprasternal) notch- superior concave border of manubrium
clavicular notch- articulation site of clavicle
manubrium- superior part
sternal angle- junction of manubrium and body at level of second rib
body- largest, middle part
xiphoid process- inferior part; remains cartilaginous until adulthood