Question 1

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 D)
F) All of the above

Question 2

Bone remodeling stops during puberty.

Accepted Answer

A) True 
 B)False

Question 3

Which type of bone has concentric lamellae?

Accepted Answer

A)   compact bone
B)   both spongy and compact
C)   spongy boneD) B) and C)
E) All of the above

Question 4

Which type of bone cells possess extensive ER and ribosomes?

Accepted Answer

A)   osteocytes
B)   osteoblasts
C)   osteoclasts
D)   osteochondral progenitor cellE) C) and D)
F) B) and C)

Question 5

Interconnecting rods of bone are

Accepted Answer

A)   periosteum.
B)   trabeculae.
C)   lamellae.
D)   canaliculi.
E)   lacunae.F) A) and C)
G) B) and C)

Question 6

Which of the following events occurs last?

Accepted Answer

A)   Cartilage is calcified in the cartilage model.
B)   A cartilage model is formed by chondroblasts.
C)   Osteoblasts produce trabeculae and lamellae on the surface of calcified cartilage.
D)   Secondary ossification centers appear in the epiphyses.
E)   Blood vessels grow into the primary ossification center.F) D) and E)
G) A) and D)

Question 7

Which of the following is an example of how the cardiovascular system contributes to osteoporosis?

Accepted Answer

A)   pain following injury helps prevent further injury
B)   calcitonin is used to treat osteoporosis
C)   lack of exercise reduces muscle stress on bone
D)   blood clotting starts repair process
E)   inadequate amounts of calcium and vitamin D in the dietF) B) and C)
G) None of the above

Question 8

The radiologist informs Mathew that his fracture has not penetrated the skin, meaning Mathew has a(an)

Accepted Answer

A)   composite fracture.
B)   open fracture.
C)   irregular fracture.
D)   complicated fracture.
E)   closed fracture.F) A) and E)
G) B) and D)

Question 9

This is a diagram of calcium homeostasis. What process is represented by "A"?

Accepted Answer

A)   Vitamin D promotes calcium absorption.
B)   PTH promotes calcium release into blood by osteoclast.
C)   Calcium is lost in urine.
D)   PTH promotes calcium reabsorption from urine.
E)   Calcium is removed from blood by osteoblasts.F) B) and E)
G) B) and D)

Question 10

The locations where ossification begins in intramembranous ossification are known as

Accepted Answer

A)   centers of ossification.
B)   membranous ossification centers.
C)   epiphyseal ossification centers.
D)   secondary ossification centers.
E)   medullary cavity ossification centers.F) A) and E)
G) A) and D)

Question 11

In which type of bone would trabeculae be present?

Accepted Answer

A)   spongy bone
B)   compact bone
C)   both spongy and compactD) All of the above
E) None of the above

Question 12

The longitudinal growth of long bones ceases when

Accepted Answer

A)   chondroblasts take over mitosis of osteoblasts.
B)   the epiphyseal plate is completely replaced with bone tissue.
C)   the periosteum is completed.
D)   the epiphysis becomes separated from the diaphysis.
E)   the bone marrow forms.F) A) and C)
G) A) and E)

Question 13

The primary function of osteoblasts is to

Accepted Answer

A)   inhibit the growth of bone.
B)   lay down bone matrix.
C)   resorb bone along the epiphyseal plate.
D)   prevent osteocytes from forming.
E)   stimulate bone growth.F) B) and E)
G) A) and B)

Question 14

Which of the following occurs in the formation of mineralized bone matrix?

Accepted Answer

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

Question 15

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 C)
G) B) and D)

Question 16

This figure illustrates bone growth in length at the Epiphyseal Plate. What is zone "D"?

Accepted Answer

A)   bone of diaphysis
B)   zone of hypertrophy
C)   zone of calcification
D)   zone of resting cartilage
E)   zone of proliferationF) C) and E)
G) A) and D)

Question 17

The remodeling of bone tissue is a function of

Accepted Answer

A)   chondrocyte and osteocyte activity.
B)   fibroblast and chondroblast activity.
C)   osteoclast and osteocyte activity.
D)   osteoblast and osteoclast activity.
E)   chondroblast and osteoclast activity.F) C) and E)
G) D) and E)

Question 18

When blood calcium levels are low

Accepted Answer

A)   ostoclast activity increases.
B)   calcitonin secretion increases.
C)   bones produce more bone tissue.
D)   calcium absorption is reduced.
E)   osteoblast activity increases.F) A) and D)
G) B) and D)

Question 19

Miguel falls out of a tree and breaks his fall by putting his arm out, fracturing his radius and ulna. What specific type of bone fracture is Miguel most likely to have?

Accepted Answer

A)   dentate fracture
B)   impaction fracture
C)   spiral fracture
D)   complicated fracture
E)   none of theseF) A) and E)
G) D) and E)

Question 20

Bone remodeling may occur

Accepted Answer

A)   as bones grow.
B)   as bones adjust to stress.
C)   as fractures heal.
D)   constantly during a person's lifetime.
E)   All of these choices are correct.F) A) and E)
G) A) and D)

Exam 6: Skeletal System: Bones and Bone Tissue

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

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The longitudinal growth of long bones ceases when

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Which type of bone cells possess extensive ER and ribosomes?

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This is a diagram of calcium homeostasis. What process is represented by "A"?

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Interconnecting rods of bone are

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Bone remodeling may occur

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When blood calcium levels are low

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Which of the following is an example of how the cardiovascular system contributes to osteoporosis?

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The radiologist informs Mathew that his fracture has not penetrated the skin, meaning Mathew has a(an)

Correct AnswerverifiedShow Answer

The locations where ossification begins in intramembranous ossification are known as

Correct AnswerverifiedShow Answer

The primary function of osteoblasts is to

Correct AnswerverifiedShow Answer

Which of the following events occurs last?

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Miguel falls out of a tree and breaks his fall by putting his arm out, fracturing his radius and ulna. What specific type of bone fracture is Miguel most likely to have?

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

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In which type of bone would trabeculae be present?

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Which type of bone has concentric lamellae?

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Which of the following occurs in the formation of mineralized bone matrix?

Correct AnswerverifiedShow Answer

The remodeling of bone tissue is a function of

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Bone remodeling stops during puberty.

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This figure illustrates bone growth in length at the Epiphyseal Plate. What is zone "D"?

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