Question 1

-This figure illustrates the microscopic anatomy of spongy bone.What type of cell does number 3 indicate

Accepted Answer

A)  Osteocyte
B)  Osteoblast
C)  Osteoprogenitor cell
D)  Bone-lining cell
E)  OsteoclastF) None of the above
G) A) and C)

Question 2

Which hormone normally has a more significant effect on blood calcium levels in adults

Accepted Answer

A)  Calcitonin
B)  Parathyroid hormoneC) A) and B)
D) undefined

Question 3

Which is not involved in the process of bone repair following a fracture

Accepted Answer

A)  Fibroblasts produce collagen fibers to connect broken pieces of bone.
B)  A fibrocartilaginous callus serves as a model for new bone growth.
C)  Osteoclasts remove excess bone from the hard callus.
D)  The fracture hematoma reorganizes to form a procallus.
E)  No exceptions;all of the choices are involved in the process of bone repair.F) D) and E)
G) C) and D)

Question 4

Spongy bone

Accepted Answer

A)  contains no osteocytes.
B)  has spaces filled with yellow marrow.
C)  is composed of tubular units called osteons.
D)  forms diploe in the cranial bones.
E)  All of the choices are correct.F) B) and E)
G) None of the above

Question 5

The knobby region of a long bone at the end that is farthest from the trunk is the

Accepted Answer

A)  distal diaphysis.
B)  proximal epiphysis.
C)  distal epiphysis.
D)  superior diaphysisE) B) and D)
F) C) and D)

Question 6

A fracture of the distal end of the radius is a _________ fracture.

Accepted Answer

The answer of A fracture of the distal end of...

Question 7

What is the function of cartilage located in the epiphyseal plates

Accepted Answer

A)  Site of bone elongation and growth
B)  Provides passageway for blood vessels
C)  Forms articular surface
D)  Supports soft tissues
E)  Provides flexibility for bendingF) All of the above
G) C) and D)

Question 8

If a clinician were looking to harvest bone marrow that made blood cells,which bone of a donor would be sampled

Accepted Answer

A)  Distal head of femur
B)  Os coxa
C)  Phalanges
D)  Distal humerusE) A) and B)
F) B) and C)

Question 9

About 80% of the human skeleton is replaced yearly as a result of bone remodeling.

Accepted Answer

A) True 
 B)False

Question 10

In compact bone,___________ connect adjacent lacunae,thereby providing pathways for nutrients and other materials to pass between osteocytes.

Accepted Answer

A)  osteonic canals
B)  blood vessels
C)  lamellae
D)  canaliculi
E)  perforating canalsF) All of the above
G) B) and D)

Question 11

Which region of a growing bone contains the epiphyseal plate

Accepted Answer

A)  Distal epiphysis
B)  Proximal epiphysis
C)  Metaphysis
D)  Diaphysis
E)  PeriphysisF) All of the above
G) B) and E)

Question 12

The flat bones of the cranium form by intramembranous ossification.

Accepted Answer

A) True 
 B)False

Question 13

Which is an accurate description of appositional bone growth

Accepted Answer

A)  Osteoblasts build bone at the circumferential lamellae while osteoclasts widen the medullary cavity.
B)  Osteoclasts build bone at the concentric lamellae while osteoblasts build bone at the interstitial lamellae.
C)  Osteoblasts build bone at the concentric lamellae while osteoclasts build bone at the epiphyses.
D)  Osteocytes build bone at the interstitial lamellae while osteoclasts expand the length of the medullary cavity.
E)  Osteocytes and osteoclasts expand the bone at its epiphyses,chondrocytes construct cartilage.F) B) and D)
G) All of the above

Question 14

Hyaline cartilage contains a ______ percentage of water;cartilage cells reside in small spaces called ________.

Accepted Answer

A)  low;lacunae
B)  low;canaliculi
C)  high;lacunae
D)  high;canaliculiE) B) and D)
F) None of the above

Question 15

During bone repair,how long does the stage of the bony callus last

Accepted Answer

A)  12-24 hours
B)  3-4 months
C)  1-2 years
D)  8-10 days
E)  1-2 weeksF) C) and D)
G) None of the above

Question 16

Compact bone

Accepted Answer

A)  is located deep to spongy bone in the diaphysis.
B)  is composed of tubular units called osteons.
C)  has a brace-like arrangement of trabeculae.
D)  is avascular.
E)  All of the choices are correct.F) B) and E)
G) C) and E)

Question 17

In general,the mechanical stresses on bones that result from exercise tend to weaken them and lead to more frequent fractures.

Accepted Answer

A) True 
 B)False

Question 18

What gives bone its flexibility

Accepted Answer

A)  Inorganic salts
B)  Yellow bone marrow
C)  Collagen fibers
D)  Trabeculae
E)  Elastic fibersF) B) and D)
G) A) and D)

Question 19

-This figure illustrates epiphyseal plate morphology.In which zone are minerals deposited in the matrix

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  5F) D) and E)
G) None of the above

Question 20

Place in correct order the following steps in the process of appositional growth of cartilage.
A: New matrix is produced and secreted.
B: Chondrocytes differentiate,each in its own lacuna.
C: Stem cells undergo mitosis.
D: Committed cells differentiate into chondroblasts.

Accepted Answer

A)  c.- d.- a.- b.
B)  d.- c.- b.- a.
C)  c.- d.- b.- a.
D)  a.- c.- b.- d.
E)  a.- c.- d.- b.F) C) and D)
G) C) and E)

Exam 7: Skeletal System: Bone Structure and Function

The knobby region of a long bone at the end that is farthest from the trunk is the

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During bone repair,how long does the stage of the bony callus last

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Spongy bone

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-This figure illustrates the microscopic anatomy of spongy bone.What type of cell does number 3 indicate

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If a clinician were looking to harvest bone marrow that made blood cells,which bone of a donor would be sampled

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Place in correct order the following steps in the process of appositional growth of cartilage. A: New matrix is produced and secreted. B: Chondrocytes differentiate,each in its own lacuna. C: Stem cells undergo mitosis. D: Committed cells differentiate into chondroblasts.

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Compact bone

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The flat bones of the cranium form by intramembranous ossification.

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-This figure illustrates epiphyseal plate morphology.In which zone are minerals deposited in the matrix

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Which is not involved in the process of bone repair following a fracture

Correct AnswerverifiedShow Answer

A fracture of the distal end of the radius is a _________ fracture.

Correct AnswerverifiedShow Answer

In general,the mechanical stresses on bones that result from exercise tend to weaken them and lead to more frequent fractures.

Correct AnswerverifiedShow Answer

Which hormone normally has a more significant effect on blood calcium levels in adults

Correct AnswerverifiedShow Answer

What gives bone its flexibility

Correct AnswerverifiedShow Answer

What is the function of cartilage located in the epiphyseal plates

Correct AnswerverifiedShow Answer

In compact bone,___________ connect adjacent lacunae,thereby providing pathways for nutrients and other materials to pass between osteocytes.

Correct AnswerverifiedShow Answer

About 80% of the human skeleton is replaced yearly as a result of bone remodeling.

Correct AnswerverifiedShow Answer

Hyaline cartilage contains a ______ percentage of water;cartilage cells reside in small spaces called ________.

Correct AnswerverifiedShow Answer

Which is an accurate description of appositional bone growth

Correct AnswerverifiedShow Answer

Which region of a growing bone contains the epiphyseal plate

Correct AnswerverifiedShow Answer

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Hyaline cartilage contains a percentage of water;cartilage cells reside in small spaces called __.

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