Test Chapter 6

Question 0

During bone removal, as one osteon forms through the activity of osteoblasts, another is destroyed by

Answer 0

Osteoclasts

Question 1

The process of remodeling in bone involves the

Answer 1

Removal and replacement of the mineral components of bone

Question 2

An important and essential way to maintain bone strength and bone mass is to

Answer 2

Apply stress to bones during exercise

Question 3

Bones will usually heal after they have been severely damaged so long as the cellular components of the end osteon and periosteum survive and there is a

Answer 3

Blood supply

Question 4

As a normal part of the aging process, bones becomes thinner and relatively weaker, resulting from a type of inadequate ossification called_____________

Answer 4

Osteopenia

Question 5

Of the following selections, the one that describes a homeostatic mechanism of the skeleton is

Answer 5

As one osteon forms through the activity of osteoblasts, another is destroyed by osteoclasts

Question 6

The most abundant mineral in the human body , 99% of which is deposited in the skeleton, is

Answer 6

Calcium

Question 7

Bones not subjected to ordinary stresses become

Answer 7

Thin and brittle

Question 8

The condition that produces a reduction in bone mass great enough to compromise normal function is called___________

Answer 8

Osteoporosis

Question 9

In women, bone mass can be maintained at adequate levels to prevent bone fragility, weakening, and thinning by

Answer 9

Estrogen therapies, dietary changes that elevate blood calcium levels, and exercise that stresses bones and stimulates osteoblast activity

Question 10

The axial skeleton provides an extensive surface area for the attachment of muscles that

Answer 10

Stabilize or position elements of the appendicular skeleton, perform respiratory movements, and adjust the positions of the head, neck, and trunk

Question 11

The one that includes bones found exclusively in the axial skeleton is

Answer 11

Skull, vertebrae, ribs, sternum, hyoid

Question 12

The axial skeleton creates a framework that supports and protects organ systems in the

Answer 12

Dorsal and ventral body cavities

Question 13

The bones that make up the appendicular division of the skeleton consists of the

Answer 13

Pectoral and pelvic girdles, and the upper and lower limbs

Question 14

One of the major functional differences between the appendicular and axial divisions is that the appendicular division

Answer 14

Makes you an active, mobile individual

Question 15

The bones of the skeleton provide an extensive surface area for the attachment of _________

Answer 15

Muscle

Question 16

The appendicular skeleton includes the bones of the pectoral and pelvic girdles and the ____________

Answer 16

Limbs

Question 17

The functions of the skeletal system include

Answer 17

Structural support and storage for calcium and lipids, blood cell production, and protection and leverage

Question 18

Storage of lipids that represent an important energy reserve in bone occurs in areas of

Answer 18

Yellow marrow

Question 19

Of the five major functions of the skeleton, the two that depend on the dynamic nature of bone are

Answer 19

Support and storage of minerals

Question 20

The support tissues in the body consist of

Answer 20

Bone and cartilage

Question 21

One of the basic histological differences between compact and spongy bone is that in compact bone

Answer 21

The basic functional unit is the osteon/haversian system

Question 22

Compact bone is usually found where

Answer 22

Stresses arrive from a limited range of directions

Question 23

Spongy bone, unlike compact bone, resemble a network of bony struts separated by spaces that are normally filled with

Answer 23

Bone marrow

Question 24

Spongy bone is found primarily at the

Answer 24

Expanded ends of long bones, where they articulate with other skeletal elements

Question 25

The basic functional unit if compact bones is the _________

Answer 25

Osteon

Question 26

The expanded region of a long bone consisting of spongy bone is called the _________

Answer 26

Epiphysis

Question 27

In the process of endochondral ossification, the primary ossification center is located in the

Answer 27

Diaphysis

Question 28

Secondary ossification centers occur

Answer 28

In the center of the epiphysis

Question 29

When sexual hormone production increases, bone growth

Answer 29

Accelerates rapidly

Question 30

Variations in body size and proportions relative to bone growth between men and women are due to

Answer 30

Differences in sex hormones

Question 31

The vitamin that play an important role in normal bone growth and maintenance are

Answer 31

A,C,D3