skelatal system bones and bone tissue

Question 1

What occurs in the formation of mineralized bone matrix?

Answer 1

Osteoblasts form collagen and proteoglycans

Question 2

In which type of bone would trabeculae be present?

Answer 2

cancellous bone

Question 3

Which type of bone cells combine hydroxyapatite and collagen to form extracellular bone matrix?

Answer 3

osteoblasts

Question 4

Osteoclast activity is increased by

Answer 4

parathyroid hormone

Question 5

A connective tissue sheath around cartilage is the

Answer 5

perichondrium.

Question 6

What is associated with osteoclast resorption of bone?

Answer 6

Hydrogen ions form an acid environment in bone matrix.

Question 7

What are the maintenance cells in bone tissue?

Answer 7

osteocytes

Question 8

An X-ray determines that Peter fractured the shaft of his humerus. The break is in the _____________ of the bone.

Answer 8

diaphysis

Question 9

What type of tissue covers the ends of long bones?

Answer 9

articular cartilage

Question 10

Bone growth at the articular cartilage is responsible for bone growth of

Answer 10

short bones

Question 11

The type of lamellae that forms the outside surface of compact bone is

Answer 11

circumferential

Question 12

Spaces in the bone matrix that are occupies by osteocytes are

Answer 12

lacunae

Question 13

Some marrow of long bones is termed “yellow” marrow under normal conditions. The function of yellow marrow is to

Answer 13

store adipose tissue

Question 14

Which of the following membranes covers the surface of a mature bone?

Answer 14

periosteum

Question 15

which type of bone cells secrete collagenase?

Answer 15

osteoclasts

Question 16

Lamellar bone

Answer 16

is organized into thin sheets of tissue

Question 17

Long bones grow in length at the

Answer 17

epiphyseal plate

Question 18

The proportion of collagen to hydroxyapatite in bone determines the

Answer 18

strength of the bone

Question 19

How does the digestive system contribute to osteoporosis?

Answer 19

inadequate amounts of calcium and vitamin D in the diet

Question 20

One effect of aging on the skeletal system is

Answer 20

Decreased bone matrix and decreased collagen fibers are effects of aging.

Question 21

Osteoporosis is

Answer 21

a disease in adults, especially women, characterized by a reduced amount of bone matrix

Question 22

The covering of the outer surface of bone is the

Answer 22

periosteum

Question 23

The longitudinal growth of long bones ceases when

Answer 23

the epiphyseal plate is completely replaced with bone tissue.

Question 24

An example of a long bone would be

Answer 24

the tiba

Question 25

Osteomyelitis is

Answer 25

bone inflammation that often results from bacterial infection

Question 26

Brittle bone disorder is another name for

Answer 26

osteogenesis imperfecta

Question 27

Which type of bone is considered dense bone?

Answer 27

compact bone

Question 28

Some flat and irregular bones of the skull have air-filled spaces called

Answer 28

sinuses