Question 1

Relatively inactive bone cells that help to maintain the ECM are:

Accepted Answer

A)   osteoblasts.
B)   osteogenic cells.
C)   osteocytes.
D)   osteoclasts.E) B) and C)
F) A) and D)

Question 2

What is the first step of bone repair?

Accepted Answer

A)   soft callus formation
B)   bone callus formation
C)   hematoma formation
D)   primary bone is replaced with secondary boneE) B) and D)
F) All of the above

Question 3

Appositional growth produces:

Accepted Answer

A)   growth in length.
B)   intramembranous ossification.
C)   endochondral ossification.
D)   growth in width.E) B) and C)
F) C) and D)

Question 4

A radiograph reveals epiphyseal lines in the long bones of a 12 -year -old's hand. Which of the following statements is correct?

Accepted Answer

A)   More growth will occur during the teenage years as sex hormones stimulate rebuilding of epiphyseal plates.
B)   Administration of growth hormone will stimulate further bone growth in length.
C)   Intramembranous ossification will enable continued growth in length.
D)   The epiphyseal plates have ossified and further growth in length is not possible.E) B) and D)
F) None of the above

Question 5

Thin, broad bones should be classified as:

Accepted Answer

A)   irregular bones.
B)   flat bones.
C)   short bones.
D)   long bones.E) B) and D)
F) A) and D)

Question 6

What is the last process to occur in the epiphyseal plate?

Accepted Answer

A)   maturation
B)   calcification
C)   proliferation
D)   ossificationE) A) and D)
F) A) and C)

Question 7

What do fibroblasts contribute to bone repair?

Accepted Answer

A)   Fibroblasts direct the transition from primary bone to secondary bone.
B)   Fibroblasts secrete hyaline cartilage to form a soft callus.
C)   Fibroblasts form new collagen fibers to bridge the gap between bone fragments.
D)   Fibroblasts form the hematoma that involves a mass of blood cells.E) A) and D)
F) A) and C)

Question 8

Within the epiphyseal plate, which zone houses actively dividing cartilage cells in their lacunae?

Accepted Answer

A)   zone of reserve cartilage
B)   zone of proliferation
C)   zone of hypertrophy
D)   zone of ossificationE) A) and C)
F) A) and B)

Question 9

Bone deposition exceeds bone resorption when bones are stressed through compression or tension.

Accepted Answer

A) True 
 B)False

Question 10

Summarize the differences between intramembranous and endochondral ossification.

Accepted Answer

There are two types of ossification-intr...

Question 11

The predominant ingredient of the inorganic matrix is calcium salts, with the majority existing as large molecules of hydroxyapatite crystals.

Accepted Answer

A) True 
 B)False

Question 12

How are carpals and tarsals classified by shape?

Accepted Answer

A)   short bones
B)   long bones
C)   irregular bones
D)   flat bonesE) All of the above
F) B) and C)

Question 13

What type of bone is adapted to withstand stresses arriving from many directions?

Accepted Answer

A)   lamellar bone
B)   compact bone
C)   spongy bone
D)   osteon boneE) None of the above
F) A) and B)

Question 14

What tissue serves as the model for bones formed during endochondral ossification?

Accepted Answer

A)   hyaline cartilage
B)   fibrocartilage
C)   spongy bone
D)   compact boneE) A) and D)
F) B) and C)

Question 15

As a result of the increase of testosterone at puberty for males:

Accepted Answer

A)   intramembranous ossification increases.
B)   appositional bone growth increases.
C)   osteoblasts increase the rate of bone resorption.
D)   epiphyseal plates widen rapidly.E) C) and D)
F) A) and D)

Question 16

What is NOT an effect of growth hormone?

Accepted Answer

A)   Growth hormone directly stimulates osteoblasts in the periosteum to promote appositional growth.
B)   Growth hormone increases the rate of mitosis in the epiphyseal plate of growing bones.
C)   Growth hormone promotes the closure of the epiphyseal plate.
D)   Growth hormone increases the activity of osteogenic cells.E) A) and D)
F) None of the above

Question 17

Primary ossification centers develop in long bones in the:

Accepted Answer

A)   periosteum.
B)   articular cartilage.
C)   diaphysis.
D)   epiphyses.E) C) and D)
F) None of the above

Question 18

Bone is the most important storehouse in the body for minerals such as calcium, phosphorus, and magnesium salts.

Accepted Answer

A) True 
 B)False

Question 19

What structure allows the diaphysis of the bone to increase in length?

Accepted Answer

A)   epiphyseal plate
B)   epiphyseal line
C)   lacunae
D)   osteonE) B) and D)
F) All of the above

Question 20

In the laboratory, your professor presents a bone for study. She explains it has a
diaphysis and epiphyses. Determine the type of bone, by shape, that she has presented and explain how you came to your conclusion.

Accepted Answer

Short, flat, irregular, and sesamoid bon...

Exam 6: Bones and Bone Tissue

What tissue serves as the model for bones formed during endochondral ossification?

Correct AnswerverifiedShow Answer

What do fibroblasts contribute to bone repair?

Correct AnswerverifiedShow Answer

What is the first step of bone repair?

Correct AnswerverifiedShow Answer

Thin, broad bones should be classified as:

Correct AnswerverifiedShow Answer

In the laboratory, your professor presents a bone for study. She explains it has a diaphysis and epiphyses. Determine the type of bone, by shape, that she has presented and explain how you came to your conclusion.

Correct AnswerverifiedShort, flat, irregular, and sesamoid bon...View AnswerShow Answer

Bone deposition exceeds bone resorption when bones are stressed through compression or tension.

Correct AnswerverifiedShow Answer

What structure allows the diaphysis of the bone to increase in length?

Correct AnswerverifiedShow Answer

Within the epiphyseal plate, which zone houses actively dividing cartilage cells in their lacunae?

Correct AnswerverifiedShow Answer

How are carpals and tarsals classified by shape?

Correct AnswerverifiedShow Answer

Relatively inactive bone cells that help to maintain the ECM are:

Correct AnswerverifiedShow Answer

Appositional growth produces:

Correct AnswerverifiedShow Answer

Bone is the most important storehouse in the body for minerals such as calcium, phosphorus, and magnesium salts.

Correct AnswerverifiedShow Answer

A radiograph reveals epiphyseal lines in the long bones of a 12 -year -old's hand. Which of the following statements is correct?

Correct AnswerverifiedShow Answer

As a result of the increase of testosterone at puberty for males:

Correct AnswerverifiedShow Answer

What type of bone is adapted to withstand stresses arriving from many directions?

Correct AnswerverifiedShow Answer

What is NOT an effect of growth hormone?

Correct AnswerverifiedShow Answer

The predominant ingredient of the inorganic matrix is calcium salts, with the majority existing as large molecules of hydroxyapatite crystals.

Correct AnswerverifiedShow Answer

Primary ossification centers develop in long bones in the:

Correct AnswerverifiedShow Answer

What is the last process to occur in the epiphyseal plate?

Correct AnswerverifiedShow Answer

Summarize the differences between intramembranous and endochondral ossification.

Correct AnswerverifiedThere are two types of ossification-intr...View AnswerShow Answer

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Short, flat, irregular, and sesamoid bon...
View Answer

Correct Answer
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A radiograph reveals epiphyseal lines in the long bones of a 12 ^-year ^-old's hand. Which of the following statements is correct?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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There are two types of ossification-intr...
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