Chapter 8: The Skeletal System

Question 1

slightly raised elongated ridge

Answer 1

lines

Question 2

opening into canal

Answer 2

meatus

Question 3

any bone prominence

Answer 3

process

Question 4

rounded knob; articulates with another bone

Answer 4

condyle

Question 5

sharp narrow process

Answer 5

spine

Question 6

narrow ridge

Answer 6

crest

Question 7

air filled space in bone

Answer 7

sinuses

Question 8

hole through bone

Answer 8

foramen

Question 9

pit or socket

Answer 9

alveolus

Question 10

shallow, broad or elongated basin

Answer 10

fossa

Question 11

small pit

Answer 11

fovea

Question 12

prominent expanded region of bone

Answer 12

head

Question 13

massive process unique to femur

Answer 13

trochanter

Question 14

projection superior to condyle

Answer 14

epicondyle

Question 15

small rounded process

Answer 15

tubercle

Question 16

rough elevated surface

Answer 16

tuberosity

Question 17

skull vertebrae, sternum, ribs, sacrum, and hyoid

Answer 17

axial skeleton

Question 18

pectoral girdle, upper extremities, pelvic girdle, lower extremities

Answer 18

appendicular skeleton

Question 19

protects brain and sense organs

Answer 19

skull

Question 20

supports skull and trunk, allows for movement, protects spinal cord, absorbs stress, provides attachments for limbs and muscles

Answer 20

vertebral column

Question 21

protects heart and lungs, provides attachment for pectoral girdle and upper limbs

Answer 21

thoracic cage

Question 22

arms attach here

Answer 22

pectoral girdle

Question 23

supports trunk, protects lower cavity, legs attach

Answer 23

pelvic girdle

Question 24

largest sinus, fills with maxillae bone

Answer 24

maxillary sinus

Question 25

spaces between unfused bones; found in fetuses

Answer 25

fontanels

Question 26

separates the frontal bones at birth

Answer 26

metopic suture

Question 27

7 vertebrae close to neck

Answer 27

cervical vertebrae

Question 28

12 vertebrae in chest area

Answer 28

thoracic vertebrae

Question 29

5 vertebrae in lower trunk

Answer 29

lumbar vertebrae

Question 30

first vertebrae

Answer 30

atlas

Question 31

second vertebrae; has dens

Answer 31

axis

Question 32

notches between adjacent vertebrae; passage for nerves

Answer 32

intervertebral foramen

Question 33

bind vertebrae together, absorbs shock

Answer 33

intervertebral discs

Question 34

pressure on vertebrae cracks annulus fibrosis and nucleus pulposus leaks out

Answer 34

herniated disc

Question 35

lack of proper development of one vertebrae

Answer 35

scoliosis

Question 36

forms from osteoperosis

Answer 36

kyphosis

Question 37

from weak abdominal muscles

Answer 37

lordosis