Question 1

When a fracture begins to heal,one type of bone cell moves into the fracture site and tears down the damaged bone tissue.Which of the following does this?

Accepted Answer

A)  osteoblasts
B)  osteocytes
C)  osteoclasts
D)  osteons
E)  matrix cellsF) A) and D)
G) A) and E)

Question 2

True or false: The two types of bone development formation include endochondral and endosteal bone.

Accepted Answer

A) True 
 B)False

Question 3

Intramembranous ossification

Accepted Answer

A)  occurs when osteoblasts invade the spaces left by dying cartilage cells.
B)  forms the bones of the roof of the skull.
C)  occurs on the outer surface of the membrane.
D)  is the process that produces most of the skeletal system.
E)  occurs when bones develop from cartilage models.F) B) and C)
G) C) and E)

Question 4

What is the area where marrow is located?

Accepted Answer

A)  endosteum
B)  Sharpey fibers
C)  periosteum
D)  medullary cavity
E)  growth plateF) B) and D)
G) A) and B)

Question 5

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

Accepted Answer

A)  osteochondral progenitor cell
B)  osteoblasts
C)  osteocytes
D)  osteoclastsE) None of the above
F) A) and B)

Question 6

Which of the following is correctly matched?

Accepted Answer

A)  periosteum - lines the medullary cavity
B)  osteoblasts - break down bone tissue
C)  osteoclasts - responsible for reabsorption
D)  endosteum - lines central canal of the osteon
E)  osteocytes - function in bone remodelingF) A) and E)
G) A) and D)

Question 7

What chemical stimulates interstitial cartilage and appositional bone growth?

Accepted Answer

A)  sex hormones
B)  growth hormone
C)  calcitonin
D)  parathyroid hormone
E)  vitamin DF) All of the above
G) C) and E)

Question 8

It is possible to determine if a child's long bone is growing by examining a radiograph of the

Accepted Answer

A)  diaphysis.
B)  medullary cavity.
C)  epiphyseal plate.
D)  articular cartilage.E) B) and C)
F) A) and C)

Question 9

What type of tissue covers the ends of long bones?

Accepted Answer

A)  articular cartilage
B)  fibrocartilage
C)  cancellous bone
D)  elastic cartilage
E)  periosteumF) D) and E)
G) B) and E)

Question 10

The collar that forms around the opposing ends of bone fragments is called a(n)

Accepted Answer

A)  osteon.
B)  epiphysis.
C)  hematoma.
D)  internal callus.
E)  external callus.F) B) and E)
G) A) and B)

Question 11

Which of the following is associated with osteoclast reabsorption of bone?

Accepted Answer

A)  Osteoblasts form collagen and proteoglycans.
B)  Blood calcium is decreased.
C)  Ca2+ is actively transported from blood to bone matrix.
D)  Hydrogen ions form an acid environment in bone matrix.
E)  The protein components of bone matrix are synthesized.F) B) and D)
G) A) and E)

Question 12

True or false: The application of small electrical charges to broken bones are sometimes used to enhance healing.

Accepted Answer

A) True 
 B)False

Question 13

The proportion of collagen to hydroxyapatite in bone determines the

Accepted Answer

A)  thickness of the bone.
B)  strength of the bone.
C)  growth rate of bone.
D)  ability of the bone to heal.
E)  length of the bone.F) B) and E)
G) C) and D)

Question 14

Which of the following statements about bone remodeling and repair is correct?

Accepted Answer

A)  Bone remodeling involves removal of old bone by osteoblasts.
B)  The rate of bone remodeling increases in the elderly.
C)  Exposure of a bone to increased mechanical stress can lead to bone remodeling.
D)  Bone remodeling does not involve the activity of the osteoclasts and the osteoblasts.
E)  As a long bone increases in diameter,the size of the marrow cavity decreases.F) A) and B)
G) C) and E)

Question 15

Ossification that involves replacing cartilage with bone is

Accepted Answer

A)  interstitial.
B)  endochondral.
C)  intramembranous.
D)  osteomalacia.
E)  appositional.F) C) and D)
G) A) and E)

Question 16

Osteomalacia is

Accepted Answer

A)  a disease in adults characterized by softening of bones resulting from calcium depletion.
B)  bone inflammation that often results from bacterial infection.
C)  a disease in children characterized by soft,bowed,and swollen bones.
D)  a disease in adults,especially women,characterized by a reduced amount of bone matrix.
E)  a group of genetic disorders producing very brittle bones that are easily fractured; occurs because of insufficient collagen development.F) B) and E)
G) None of the above

Question 17

Which type of bone cells have ruffled borders and secrete acids?

Accepted Answer

A)  osteoblasts
B)  osteochondral progenitor cell
C)  osteoclasts
D)  osteocytesE) A) and D)
F) A) and B)

Question 18

Canaliculi are found in this type of bone tissue.

Accepted Answer

A)  compact bone
B)  both spongy and compact
C)  spongy boneD) B) and C)
E) A) and C)

Question 19

In which of the following locations in a growing bone would the greatest osteoclast activity be found?

Accepted Answer

A)  articular cartilage
B)  perichondrium
C)  epiphyseal plate
D)  epiphysis
E)  medullary cavityF) All of the above
G) A) and D)

Question 20

The process of ______ is important to change shapes of bones,adjust to bone stress,replace old bone matrix and to facilitate repair of broken bone.

Accepted Answer

A)   endochondral ossification
B)   appositional bone growth
C)   bone remodeling
D)   intramembranous ossificationE) B) and D)
F) A) and D)

Exam 6: Skeletal System: Bones and Bone Tissue

What is the area where marrow is located?

Correct AnswerverifiedShow Answer

It is possible to determine if a child's long bone is growing by examining a radiograph of the

Correct AnswerverifiedShow Answer

Intramembranous ossification

Correct AnswerverifiedShow Answer

The proportion of collagen to hydroxyapatite in bone determines the

Correct AnswerverifiedShow Answer

Which of the following is correctly matched?

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True or false: The application of small electrical charges to broken bones are sometimes used to enhance healing.

Correct AnswerverifiedShow Answer

Which of the following is associated with osteoclast reabsorption of bone?

Correct AnswerverifiedShow Answer

Osteomalacia is

Correct AnswerverifiedShow Answer

True or false: The two types of bone development formation include endochondral and endosteal bone.

Correct AnswerverifiedShow Answer

What chemical stimulates interstitial cartilage and appositional bone growth?

Correct AnswerverifiedShow Answer

Which type of bone cells have ruffled borders and secrete acids?

Correct AnswerverifiedShow Answer

When a fracture begins to heal,one type of bone cell moves into the fracture site and tears down the damaged bone tissue.Which of the following does this?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following statements about bone remodeling and repair is correct?

Correct AnswerverifiedShow Answer

Ossification that involves replacing cartilage with bone is

Correct AnswerverifiedShow Answer

Canaliculi are found in this type of bone tissue.

Correct AnswerverifiedShow Answer

The collar that forms around the opposing ends of bone fragments is called a(n)

Correct AnswerverifiedShow Answer

In which of the following locations in a growing bone would the greatest osteoclast activity be found?

Correct AnswerverifiedShow Answer

What type of tissue covers the ends of long bones?

Correct AnswerverifiedShow Answer

The process of ______ is important to change shapes of bones,adjust to bone stress,replace old bone matrix and to facilitate repair of broken bone.

Correct AnswerverifiedShow Answer

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