Question 1

What term implies bone deposition via osteoblasts?

Accepted Answer

A)  keratinization 
B)  resorption 
C)  calcification 
D)  degradation 
A)  keratinization 
B)  resorption 
C)  calcification 
D)  degradation

Question 2

The hormone that is primarily involved in the control of bone resorption is parathyroid hormone (PTH).

Accepted Answer

A) True 
 B)False

Question 3

Whose bone marrow is mostly red?

Accepted Answer

A)  middle -aged adults 
B)  elderly 
C)  infants 
D)  young adults 
A)  middle -aged adults 
B)  elderly 
C)  infants 
D)  young adults

Question 4

Correctly order the following key steps in the process of endochondral ossification. 1. Chondrocytes die.
2) Osteoblasts build the bone collar on the external surface of the bone.
3) Perichondrium is invaded by blood vessels.
4) In the primary ossification center, osteoblasts replace calcified cartilage with early spongy bone.
5) Perichondrial cells differentiate into osteogenic cells then into osteoblasts.

Accepted Answer

A)  3, 5, 2, 1, 4 
B)  3, 1, 2, 3, 5 
C)  4, 3, 2, 1, 5 
D)  3, 1, 4, 5, 2 
A)  3, 5, 2, 1, 4 
B)  3, 1, 2, 3, 5 
C)  4, 3, 2, 1, 5 
D)  3, 1, 4, 5, 2

Question 5

Which of the following is NOT a function of the skeletal system?

Accepted Answer

A)  communication 
B)  blood cell formation 
C)  mineral storage 
D)  protection of internal organs 
A)  communication 
B)  blood cell formation 
C)  mineral storage 
D)  protection of internal organs

Question 6

Which of the following promotes bone resorption?

Accepted Answer

A)  compression 
B)  pressure 
C)  tension 
D)  calcium -rich diet 
A)  compression 
B)  pressure 
C)  tension 
D)  calcium -rich diet

Question 7

Which dietary requirement for bone health can be made in response to skin exposure to UV light?

Accepted Answer

A)  vitamin C 
B)  vitamin K 
C)  vitamin D 
D)  calcium ions 
A)  vitamin C 
B)  vitamin K 
C)  vitamin D 
D)  calcium ions

Question 8

Why is articular cartilage necessary for long bones?

Accepted Answer

A)  Articular cartilage allows bones to rub together with reduced friction at joints. 
B)  Articular cartilage is the site of lengthwise growth in young children and adolescents. 
C)  Articular cartilage lines all inner surfaces of the bone. 
D)  Articular cartilage houses red bone marrow for hematopoiesis. 
A)  Articular cartilage allows bones to rub together with reduced friction at joints. 
B)  Articular cartilage is the site of lengthwise growth in young children and adolescents. 
C)  Articular cartilage lines all inner surfaces of the bone. 
D)  Articular cartilage houses red bone marrow for hematopoiesis.

Question 9

Branching "ribs" of bone present in spongy bone are known as:

Accepted Answer

A)  lacunae. 
B)  trabeculae. 
C)  canaliculi. 
D)  lamellae. 
A)  lacunae. 
B)  trabeculae. 
C)  canaliculi. 
D)  lamellae.

Question 10

Calcitonin functions to:

Accepted Answer

A)  stimulate bone resorption. 
B)  stimulate osteoclast activity. 
C)  increase bone deposition. 
D)  increase blood calcium ion levels. 
A)  stimulate bone resorption. 
B)  stimulate osteoclast activity. 
C)  increase bone deposition. 
D)  increase blood calcium ion levels.

Question 11

Derrick has a vitamin D deficiency. Hypothesize an explanation for why he may have this deficiency.

Accepted Answer

Derrick may not spend enough time in the

Question 12

The structural units of mature compact bone are called:

Accepted Answer

A)  lacunae. 
B)  canaliculi. 
C)  osteons. 
D)  osteocytes. 
A)  lacunae. 
B)  canaliculi. 
C)  osteons. 
D)  osteocytes.

Question 13

Outline the events of intramembranous ossification.

Accepted Answer

Intramembranous ossification begins when

Question 14

What cells contribute to the process of calcification during intramembranous ossification?

Accepted Answer

A)  osteoblasts 
B)  osteocytes 
C)  keratinocytes 
D)  osteoclasts 
A)  osteoblasts 
B)  osteocytes 
C)  keratinocytes 
D)  osteoclasts

Question 15

What type of bone is illustrated?

Accepted Answer

A)  hyaline cartilage 
B)  spongy bone 
C)  compact bone 
D)  articular cartilage 
A)  hyaline cartilage 
B)  spongy bone 
C)  compact bone 
D)  articular cartilage

Question 16

In the epiphyseal plate, cartilage grows:

Accepted Answer

A)  by pulling the diaphysis toward the epiphysis. 
B)  from the edges inward. 
C)  by pushing the epiphysis away from the diaphysis. 
D)  in a circular fashion. 
A)  by pulling the diaphysis toward the epiphysis. 
B)  from the edges inward. 
C)  by pushing the epiphysis away from the diaphysis. 
D)  in a circular fashion.

Question 17

The small, fluid -filled cavity occupied by an osteocyte is called a(n):

Accepted Answer

A)  lacuna. 
B)  trabecula. 
C)  central canal. 
D)  osteon. 
A)  lacuna. 
B)  trabecula. 
C)  central canal. 
D)  osteon.

Question 18

Discuss how the osteoblast differs functionally from the osteoclast.

Accepted Answer

Osteoblasts are bone ^-forming cells that

Question 19

What canals connect lacunae together?

Accepted Answer

A)  central canals 
B)  canaliculi 
C)  central (Haversian) canals 
D)  perforating (Volkmann's) canals 
A)  central canals 
B)  canaliculi 
C)  central (Haversian) canals 
D)  perforating (Volkmann's) canals

Question 20

Intramembranous ossification occurs in:

Accepted Answer

A)  long bones. 
B)  secondary bone. 
C)  skull bones. 
D)  arm and leg bones. 
A)  long bones. 
B)  secondary bone. 
C)  skull bones. 
D)  arm and leg bones.

Exam 6: Bones and Bone Tissue

What term implies bone deposition via osteoblasts?

The hormone that is primarily involved in the control of bone resorption is parathyroid hormone (PTH).

Whose bone marrow is mostly red?

Which of the following is NOT a function of the skeletal system?

Which of the following promotes bone resorption?

Which dietary requirement for bone health can be made in response to skin exposure to UV light?

Why is articular cartilage necessary for long bones?

Branching "ribs" of bone present in spongy bone are known as:

Calcitonin functions to:

Derrick has a vitamin D deficiency. Hypothesize an explanation for why he may have this deficiency.

The structural units of mature compact bone are called:

Outline the events of intramembranous ossification.

What cells contribute to the process of calcification during intramembranous ossification?

What type of bone is illustrated?

In the epiphyseal plate, cartilage grows:

The small, fluid -filled cavity occupied by an osteocyte is called a(n):

Discuss how the osteoblast differs functionally from the osteoclast.

What canals connect lacunae together?

Intramembranous ossification occurs in:

Introduction to Anatomy Physiology

The Chemistry of Life

The Cell

Histology

The Integumentary System

The Skeletal System

Articulations

The Muscular System

Muscle Tissue Physiology

Introduction to the Nervous System Nervous Tissue

The Central Nervous System

The Peripheral Nervous System

The Autonomic Nervous System Homeostasis

The Special Senses

The Endocrine System

The Cardiovascular System I: the Heart

The Cardiovascular System Ii: Blood Vessels

Blood

The Lymphatic System Immunity

The Respiratory System

The Digestive System

Metabolism Nutrition

The Urinary System

Fluid, Electrolyte Acid-Base Homeostasis

The Reproductive System

Development Heredity

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The small, fluid ^-filled cavity occupied by an osteocyte is called a(n):