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Flashcards in ch 6 test Deck (37):
1

regulatory functions of the skeletal system include

maintaining the normal concentrations of calcium and phosphate ions in body fluids

2

the primary function of __ is exemplified when bones function as levers

movement

3

bone cells capable of dissolving the bony matrix are termed

osteoclasts

4

immature, active bone cells that produce new bone matrix are termed

osteoblasts

5

spongy bone is made up of a network of bony rods or plates called

trabeculae

6

the connective tissue covering the outer surface of a bone is the

periosteum

7

the bones of the limbs are classified as

long bones

8

which of the following is found only in compact bone

osteons

9

the shaft of a long bone is called the __

diaphysis

10

tarsal bones are classified as __ bones

short

11

which of the following accounts for almost two-thirds of the mass of bone tissue

calcium phosphate

12

an increase in the diameter of growing bone is termed __ growth

appositional

13

rickets is a condition marked by a softening and bending of bones hat occurs in growing children, as a result of __ deficiency

vitamin d3

14

during the process of __ an existing tissue is replaced with bones

ossification

15

the presence of __ strongly indicates that the long bone is still growing

an epiphyseal plate

16

which of the following occurs in intramembranous ossification

fibrous connective tissue is converted to bone tissue, which first resembles spongy bone

17

the hormone calcitonin functions to

depress calcium levels in body fluids

18

the process of depositing calcium salts into a tissue other than bone is called __

calcification

19

which of the following is part of the appendicular skeleton

the scapular

20

which of the following is part of the axial skeleton

ribs

21

the atlas is classified as a __ vertebra

cervical

22

the bone that makes up the lower jaw is the

mandible

23

the vertebral column contains __ cervical vertebrae

7

24

the vertebral column contains __ lumbar vertebrae

5

25

humans have __ pairs of ribs

12

26

true ribs are directly connected to the sternum by

costal cartilages

27

an abnormal lateral curvature of the spine is termed

scoliosis

28

the bones that form the palms of the hands are the

metacarpals

29

the bones of the pelvis

include portions of both axial and appendicular elements

30

skull bones are joined by tight connections called

sutures

31

fibrous cartilage disks that act as shock absorbers in joints are called __

intervertebral discs

32

which joint type can perform rotation movements

ball and socket

33

a movement toward the longitudinal axis of the body in the frontal plane is termed

adduction

34

moving the arm in a loop is an example of which type of angular movement

circumduction

35

a movement away from the longitudal axis of the body in the frontal plane is

abduction

36

which joint permits the greatest range of motion of any joint in the body

shoulder

37

which of the following primary functions of the skeletal system applies to the role of bone marrow

blood cell production