Question 1

The slight decrease in bone mass with increased age is termed osteopenia.

Accepted Answer

A) True 
 B)False

Question 2

The steps in the process of appositional growth of cartilage are
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
The correct chronological order for these steps is

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 - bF) All of the above
G) B) and C)

Question 3

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

Accepted Answer

A)  12 to 24 hours
B)  3 to 4 months
C)  1 to 2 years
D)  8 to 10 days
E)  1 to 2 weeksF) D) and E)
G) C) and D)

Question 4

During appositional growth of cartilage,the cells that produce the matrix are the

Accepted Answer

A)  chondrocytes.
B)  osteocytes.
C)  fibroblasts.
D)  chondroblasts.
E)  osteoblasts.F) A) and B)
G) A) and C)

Question 5

Which is a sesamoid bone?

Accepted Answer

A)  Patella
B)  Cuboid
C)  Talus
D)  Sphenoid
E)  ScaphoidF) D) and E)
G) A) and E)

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

Which type of cartilage is found in the intervertebral discs?

Accepted Answer

A)  Hyaline cartilage
B)  Fibrocartilage
C)  Reticular cartilage
D)  Articular cartilage
E)  Elastic cartilageF) All of the above
G) A) and B)

Question 8

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) A) and B)
G) B) and C)

Question 9

Which bone marking does not serve as an articulating surface?

Accepted Answer

A)  Head
B)  Epicondyle
C)  Condyle
D)  Facet
E)  TrochleaF) A) and D)
G) All of the above

Question 10

What would be the effect on bone growth of insufficient dietary calcium?

Accepted Answer

A)  There would be no effect,since the body is able to synthesize calcium.
B)  The matrix would be softer.
C)  The bone would be less flexible.
D)  The epiphyseal plates would ossify earlier in development.
E)  There would be increased formation of spongy bone.F) B) and C)
G) C) and E)

Question 11

Cells that produce new bone tissue by secreting matrix are called

Accepted Answer

A)  osteocytes.
B)  osteoclasts.
C)  osteoblasts.
D)  osteoprogenitor cells.
E)  bone-lining cells.F) C) and E)
G) B) and C)

Question 12

Osteons run perpendicular to the diaphysis of a long bone.

Accepted Answer

A) True 
 B)False

Question 13

Which is not true about periosteum?

Accepted Answer

A)  It includes outer fibrous and inner cellular layers.
B)  It is composed of dense regular connective tissue.
C)  It provides stem cells for bone growth and repair.
D)  It is anchored to the bone by collagen fibers.
E)  It covers the entire bone surface,with the exception of articular areas.F) B) and D)
G) B) and E)

Question 14

Which vitamin is required for the normal synthesis of collagen?

Accepted Answer

A)  Vitamin D
B)  Vitamin B
C)  Vitamin A
D)  Vitamin C
E)  Vitamin KF) B) and C)
G) A) and B)

Question 15

Which is the definition for a greenstick fracture?

Accepted Answer

A)  The bone is twisted as it fractures.
B)  The fracture is at right angles to the long axis of the bone.
C)  The bone is splintered into several fragments.
D)  One side of the bone is broken and the other side is bent.
E)  The fracture is at an oblique angle to the long axis of the bone.F) C) and D)
G) A) and B)

Question 16

-This figure illustrates the cell types found in 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 D)

Question 17

A fracture parallel to the long axis of the bone is a(n) _________ fracture.

Accepted Answer

A)  transverse
B)  oblique
C)  linear
D)  comminuted
E)  medialF) A) and B)
G) D) and E)

Question 18

Once we reach adulthood and our bones are fully formed and hardened,they cannot be remodeled.

Accepted Answer

A) True 
 B)False

Question 19

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 20

-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) A) and D)
G) C) and D)

Exam 6: Cartilage and Bone

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which type of cartilage is found in the intervertebral discs?

Correct AnswerverifiedShow Answer

Which is not true about periosteum?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What would be the effect on bone growth of insufficient dietary calcium?

Correct AnswerverifiedShow Answer

The slight decrease in bone mass with increased age is termed osteopenia.

Correct AnswerverifiedShow Answer

Osteons run perpendicular to the diaphysis of a long bone.

Correct AnswerverifiedShow Answer

Once we reach adulthood and our bones are fully formed and hardened,they cannot be remodeled.

Correct AnswerverifiedShow Answer

During appositional growth of cartilage,the cells that produce the matrix are the

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 vitamin is required for the normal synthesis of collagen?

Correct AnswerverifiedShow Answer

The steps in the process of appositional growth of cartilage are 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 The correct chronological order for these steps is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which is the definition for a greenstick fracture?

Correct AnswerverifiedShow Answer

A fracture parallel to the long axis of the bone is a(n) _________ fracture.

Correct AnswerverifiedShow Answer

Which bone marking does not serve as an articulating surface?

Correct AnswerverifiedShow Answer

Which is a sesamoid bone?

Correct AnswerverifiedShow Answer

-This figure illustrates the cell types found in bone.What type of cell does number 3 indicate?

Correct AnswerverifiedShow Answer

Cells that produce new bone tissue by secreting matrix are called

Correct AnswerverifiedShow Answer

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