Question 1

The ______is composed of hyaline cartilage and reduces friction between bones involved in a joint.

Accepted Answer

A) periosteum 
B) distal epiphysis 
C) epiphyseal line 
D) articular cartilage 
E) epiphyseal plate 
A) periosteum 
B) distal epiphysis 
C) epiphyseal line 
D) articular cartilage 
E) epiphyseal plate

Question 2

The cells active in fracture repair during the production of the hard (spongy bone)callus.

Accepted Answer

A) fibroblasts 
B) osteoclasts 
C) osteocytes 
D) osteoblasts 
E) chondroblasts 
A) fibroblasts 
B) osteoclasts 
C) osteocytes 
D) osteoblasts 
E) chondroblasts

Question 3

Why do greenstick fractures commonly occur in children?

Accepted Answer

A) Their bones contain higher amounts of collagen. 
B) Their bones contain higher amounts of hydroxyapatite. 
C) Their bones are still composed of hyaline cartilage. 
D) Their bones are still composed of mesenchymal tissue. 
A) Their bones contain higher amounts of collagen. 
B) Their bones contain higher amounts of hydroxyapatite. 
C) Their bones are still composed of hyaline cartilage. 
D) Their bones are still composed of mesenchymal tissue.

Question 4

Which labeled structure in the figure was once an osteoprogenitor cell?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 5

Why would running and jumping have a larger effect on bone health than walking?

Accepted Answer

A) Osteoblasts are less active and osteoclast are more active when there is mechanical stress placed on bones. 
B) Osteoblasts are more active and osteoclast maintain normal activity when there is mechanical stress placed on bones. 
C) Mechanical stress does not have an influence on osteoblast and osteoclast activity. 
D) Running and jumping will prevent demineralization over time. 
A) Osteoblasts are less active and osteoclast are more active when there is mechanical stress placed on bones. 
B) Osteoblasts are more active and osteoclast maintain normal activity when there is mechanical stress placed on bones. 
C) Mechanical stress does not have an influence on osteoblast and osteoclast activity. 
D) Running and jumping will prevent demineralization over time.

Question 6

Which of the following selections correctly lists the sequence of events that occur during intramembranous ossification?

Accepted Answer

A) Ossification center develops > Calcification > Formation of trabeculae > Development of new periosteum. 
B) Calcification > Ossification center develops > Formation of trabeculae > Development of new periosteum. 
C) Ossification center develops > Formation of trabeculae > Calcification > Development of new periosteum. 
D) Development of new periosteum > Ossification center develops > Calcification > Formation of trabeculae. 
E) Ossification center develops > Calcification > Development of new periosteum > Formation of trabeculae. 
A) Ossification center develops > Calcification > Formation of trabeculae > Development of new periosteum. 
B) Calcification > Ossification center develops > Formation of trabeculae > Development of new periosteum. 
C) Ossification center develops > Formation of trabeculae > Calcification > Development of new periosteum. 
D) Development of new periosteum > Ossification center develops > Calcification > Formation of trabeculae. 
E) Ossification center develops > Calcification > Development of new periosteum > Formation of trabeculae.

Question 7

List and briefly describe the six main functions of the skeletal system.

Accepted Answer

The skeletal system is used for support

Question 8

The shaft of a long bone is the

Accepted Answer

A) diaphysis. 
B) epiphysis. 
C) metaphysis. 
D) periosteum. 
E) medullary cavity. 
A) diaphysis. 
B) epiphysis. 
C) metaphysis. 
D) periosteum. 
E) medullary cavity.

Question 9

What area in the diagram would the primary ossification center be formed?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 10

Mechanical stress [dropdown 1] osteoblast activity in bone,and removal of mechanical stress [dropdown 2] osteoblast activity in bone.
Optional answers for dropdown
Decreases
Increases
Maintains

Accepted Answer

1.Increase

Question 11

Match the term with the best description
[dropdown 1]: Proliferation of osteoclasts,which leads to rapid bone remodeling,and weakening the bones.
[dropdown 2]: Severe bone density loss.
[dropdown 3]: Bone fails to calcify when remodeled.
[dropdown 4]: Bacterial infection causing inflammation,pain and rigid muscles.
[dropdown 5]: Bone cancer primarily affecting osteoblasts.
Drop Down Choices:
Osteomalacia
Osteomyelitis
Osteoporosis
Osteosarcoma
Paget's disease

Accepted Answer

Paget's disease
Oste

Question 12

Briefly describe what is happening in each step of fracture repair shown in the diagram.

Accepted Answer

The diagram illustrates repair of a bone

Question 13

Where in the diagram is dense irregular connective tissue located?

Accepted Answer

A) B 
B) C 
C) D 
D) E 
E) F 
A) B 
B) C 
C) D 
D) E 
E) F

Question 14

Where in the diagram does the secondary ossification center form?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 15

Which illustration and radiograph in the figure shows a Pott's fracture?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 16

During fracture repair,what area will have mesenchymal cells that differentiate into fibroblasts,chondroblasts and osteoblasts?

Accepted Answer

A) A 
B) B 
C) D 
D) E 
E) G 
A) A 
B) B 
C) D 
D) E 
E) G

Question 17

In the diagram,which is the first blood vessel that enters the bone model in endochondral ossification?

Accepted Answer

A) D 
B) E 
C) F 
D) G 
E) H 
A) D 
B) E 
C) F 
D) G 
E) H

Exam 6: The Skeletal System: Bone Tissue

The ______is composed of hyaline cartilage and reduces friction between bones involved in a joint.

The cells active in fracture repair during the production of the hard (spongy bone)callus.

Why do greenstick fractures commonly occur in children?

Which labeled structure in the figure was once an osteoprogenitor cell?

Why would running and jumping have a larger effect on bone health than walking?

Which of the following selections correctly lists the sequence of events that occur during intramembranous ossification?

List and briefly describe the six main functions of the skeletal system.

The shaft of a long bone is the

What area in the diagram would the primary ossification center be formed?

Mechanical stress [dropdown 1] osteoblast activity in bone,and removal of mechanical stress [dropdown 2] osteoblast activity in bone. Optional answers for dropdown Decreases Increases Maintains

Briefly describe what is happening in each step of fracture repair shown in the diagram.

Where in the diagram is dense irregular connective tissue located?

Where in the diagram does the secondary ossification center form?

Which illustration and radiograph in the figure shows a Pott's fracture?

During fracture repair,what area will have mesenchymal cells that differentiate into fibroblasts,chondroblasts and osteoblasts?

In the diagram,which is the first blood vessel that enters the bone model in endochondral ossification?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

The Skeletal System: the Axial Skeleton

The Skeletal System: The Appendicular Skeleton

Joints

Muscular Tissue

The Muscular System

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor, and Integrative Systems

The Special Senses

The Endocrine System

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Nutrition

The Urinary System

Fluid, Electrolyte, and Acidbase Homeostasis

The Reproductive Systems

Development and Inheritance

Filters

Briefly describe what is happening in each step of fracture repair shown in the diagram. $Briefly describe what is happening in each step of fracture repair shown in the diagram.$

Which illustration and radiograph in the figure shows a Pott's fracture? $Which illustration and radiograph in the figure shows a Pott's fracture?$

During fracture repair,what area will have mesenchymal cells that differentiate into fibroblasts,chondroblasts and osteoblasts? $During fracture repair,what area will have mesenchymal cells that differentiate into fibroblasts,chondroblasts and osteoblasts?$