Question 1

The spaces between developing skull bones that have not ossified are called

Accepted Answer

A)   epiphyseal plates.
B)   bone collars.
C)   articular cartilages.
D)   fontanels.
E)   medullary cavities.F) D) and E)
G) B) and D)

Question 2

A young boy (10 years old)  exhibited the following symptoms: advanced development of secondary sexual characteristics and rapid growth. Which of the following caused his condition?

Accepted Answer

A)   hyposecretion of estrogen
B)   hypersecretion of vitamin D
C)   hypersecretion of testosterone
D)   hypersecretion of growth hormone
E)   hypersecretion of estrogenF) B) and C)
G) B) and D)

Question 3

What chemical ingested or synthesized by the body is necessary for calcium absorption from the intestines?

Accepted Answer

A)   growth hormone
B)   calcitonin
C)   parathyroid hormone
D)   vitamin D
E)   sex hormonesF) C) and D)
G) A) and D)

Question 4

The stem cells of osteoblasts and chondroblasts are

Accepted Answer

A)   monocytes.
B)   chondrocytes.
C)   osteocytes.
D)   osteoclasts.
E)   osteochondral progenitor cells.F) A) and D)
G) A) and E)

Question 5

Ligaments attach

Accepted Answer

A)   muscle to bone.
B)   nerve to muscle.
C)   bone to bone.
D)   muscle to muscle.
E)   nerve to bone.F) B) and C)
G) A) and E)

Question 6

A bone fracture in which the two bone sections do not separate is a(an)

Accepted Answer

A)   closed fracture.
B)   hairline fracture.
C)   open fracture.
D)   impaction fracture.
E)   comminuted fracture.F) D) and E)
G) A) and B)

Question 7

Which type of bone appears porous?

Accepted Answer

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

Question 8

How does the muscular system contribute to osteoporosis?

Accepted Answer

A)   blood clotting starts repair process
B)   inadequate amounts of calcium and vitamin D in the diet
C)   calcitonin is used to treat osteoporosis
D)   pain following injury helps prevent further injury
E)   lack of exercise reduces muscle stress on boneF) D) and E)
G) B) and D) E

Question 9

Osteoclasts and osteoblasts that travel through or across the bone surface removing and replacing old bone matrix are collectively called a(n)  _____.

Accepted Answer

A)   callus multicellular unit
B)   osteon
C)   osteogenic repair unit
D)   basic multicellular unit
E)   bone reformation unitF) A) and B)
G) None of the above D

Question 10

What does structure "B" represent on the bone diagram?

Accepted Answer

A)   epiphyseal lines
B)   epiphysis
C)   cancellous bone
D)   articular cartilage
E)   diaphysisF) D) and E)
G) B) and E) B

Question 11

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) A) and E)
G) None of the above

Question 12

How does the reproductive system contribute to osteoporosis?

Accepted Answer

A)   Calcium ions released from the bones are excreted.
B)   Immune cells resist infections and release chemicals that promote tissue repair.
C)   Decreased estrogen levels following menopause contribute to the disease.
D)   Lack of exposure to sunlight reduces vitamin D production and decreases calcium absorption.
E)   Excessive smoking lowers estrogen levels, which increases bone loss.F) A) and D)
G) A) and C)

Question 13

These are blood vessels that carry blood from the medullary cavity and periosteum to the osteon and run perpendicular to the long axis of the bone.

Accepted Answer

A)   Haversian canals
B)   lamellar canals
C)   Volkmann canals
D)   osteochondral canals
E)   Sharpey's canalsF) B) and E)
G) C) and D)

Question 14

The primary mineral in bone is

Accepted Answer

A)   iron.
B)   sodium.
C)   potassium.
D)   calcium.
E)   oxygen.F) A) and E)
G) C) and E)

Question 15

Which of the following is mismatched?

Accepted Answer

A)   vitamin C - necessary for collagen synthesis
B)   vitamin D - obtained by synthesis or ingestion
C)   parathyroid hormone - increases calcium loss in the kidneys
D)   vitamin D - aids calcium absorption
E)   sex hormones - cause spurt of growth at pubertyF) A) and B)
G) D) and E)

Question 16

Bone formation associated with cartilage is called ______ ossification while bone formed in connective tissue membranes is called _____ ossification.

Accepted Answer

A)   woven, spongy
B)   spongy, woven
C)   intramembranous; endochondral
D)   endochondral; intramembranousE) B) and C)
F) A) and B)

Question 17

An example of a long bone would be

Accepted Answer

A)   the sternum.
B)   the tibia.
C)   a rib.
D)   the clavicle.
E)   a carpal bone.F) A) and D)
G) A) and C)

Question 18

What chemical causes an increase in the blood calcium level?

Accepted Answer

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

Question 19

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) C) and E)
G) C) and D)

Question 20

What is the site of longitudinal growth in long bones?

Accepted Answer

A)   epiphyseal plate
B)   epiphysis
C)   medullary cavity
D)   Sharpey's fibers
E)   endosteumF) B) and E)
G) A) and E)

Exam 6: Skeletal System: Bones and Bone Tissue

The spaces between developing skull bones that have not ossified are called

Correct AnswerverifiedShow Answer

A young boy (10 years old) exhibited the following symptoms: advanced development of secondary sexual characteristics and rapid growth. Which of the following caused his condition?

Correct AnswerverifiedShow Answer

What chemical ingested or synthesized by the body is necessary for calcium absorption from the intestines?

Correct AnswerverifiedShow Answer

The stem cells of osteoblasts and chondroblasts are

Correct AnswerverifiedShow Answer

Ligaments attach

Correct AnswerverifiedShow Answer

A bone fracture in which the two bone sections do not separate is a(an)

Correct AnswerverifiedShow Answer

Which type of bone appears porous?

Correct AnswerverifiedShow Answer

How does the muscular system contribute to osteoporosis?

Correct AnswerverifiedE

Osteoclasts and osteoblasts that travel through or across the bone surface removing and replacing old bone matrix are collectively called a(n) _____.

Correct AnswerverifiedD

What does structure "B" represent on the bone diagram?

Correct AnswerverifiedB

What chemical stimulates interstitial cartilage and appositional bone growth?

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How does the reproductive system contribute to osteoporosis?

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These are blood vessels that carry blood from the medullary cavity and periosteum to the osteon and run perpendicular to the long axis of the bone.

Correct AnswerverifiedShow Answer

The primary mineral in bone is

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Which of the following is mismatched?

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Bone formation associated with cartilage is called ______ ossification while bone formed in connective tissue membranes is called _____ ossification.

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An example of a long bone would be

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What chemical causes an increase in the blood calcium level?

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

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What is the site of longitudinal growth in long bones?

Correct AnswerverifiedShow Answer

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E

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D

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B

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Bone formation associated with cartilage is called __ ossification while bone formed in connective tissue membranes is called _ ossification.

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