Question 1

What is the end of a long bone?

Accepted Answer

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

Question 2

The type of lamellae found in osteons (Haversian systems)  is

Accepted Answer

A)   circumferential.
B)   concentric.
C)   interstitial.
D)   appositional.
E)   oppositional.F) B) and D)
G) B) and C)

Question 3

Osteogenesis imperfecta is

Accepted Answer

A)   bone inflammation that often results from bacterial infection.
B)   a disease in adults, especially women, characterized by a reduced amount of bone matrix.
C)   a disease in adults characterized by softening of bones resulting from calcium depletion.
D)   a disease in children characterized by soft, bowed, and swollen bones.
E)   a group of genetic disorders producing very brittle bones that are easily fractured; occurs because of insufficient collagen development.F) C) and D)
G) B) and E)

Question 4

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 epiphysis becomes separated from the diaphysis.
D)   the bone marrow forms.
E)   the periosteum is completed.F) A) and E)
G) C) and D)

Question 5

In which type of bone would trabeculae be present?

Accepted Answer

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

Question 6

Ossification that involves replacing cartilage with bone is

Accepted Answer

A)   intramembranous.
B)   endochondral.
C)   interstitial.
D)   appositional.
E)   osteomalacia.F) All of the above
G) A) and D)

Question 7

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

Accepted Answer

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

Question 8

The primary mineral in bone is

Accepted Answer

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

Question 9

What is the area where marrow is located?

Accepted Answer

A)   periosteum
B)   Sharpey fibers
C)   growth plate
D)   medullary cavity
E)   endosteumF) All of the above
G) B) and C)

Question 10

Haversian systems or osteons

Accepted Answer

A)   are found in spongy bone tissue.
B)   lack concentric lamellae.
C)   are the basic units in compact bone tissue.
D)   do not contain osteocytes.
E)   are avascular.F) C) and E)
G) A) and E)

Question 11

Which of the following is correctly matched?

Accepted Answer

A)   osteocytes - function in bone remodeling
B)   osteoclasts - responsible for reabsorption
C)   osteoblasts - break down bone tissue
D)   endosteum - lines central canal of the osteon
E)   periosteum - lines the medullary cavityF) B) and C)
G) B) and D)

Question 12

Which type of bone cells combine hydroxyapatite and collagen to form extracellular bone matrix?

Accepted Answer

A)   osteochondral progenitor cell
B)   osteoblasts
C)   osteocytes
D)   osteoclastsE) A) and D)
F) B) and D)

Question 13

What is the membrane that lines the medullary cavity?

Accepted Answer

A)   epiphysis
B)   fibers
C)   growth plate
D)   medullary cavity
E)   endosteumF) B) and E)
G) D) and E)

Question 14

What type of tissue covers the ends of long bones?

Accepted Answer

A)   articular cartilage
B)   periosteum
C)   elastic cartilage
D)   cancellous bone
E)   fibrocartilageF) A) and E)
G) B) and C)

Question 15

What chemical causes a decrease in the blood calcium level?

Accepted Answer

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

Question 16

How does the reproductive system contribute to osteoporosis?

Accepted Answer

A)   Lack of exposure to sunlight reduces vitamin D production and decreases calcium absorption.
B)   Immune cells resist infections and release chemicals that promote tissue repair.
C)   Excessive smoking lowers estrogen levels, which increases bone loss.
D)   Calcium ions released from the bones are excreted.
E)   Decreased estrogen levels following menopause contribute to the disease.F) None of the above
G) B) and D)

Question 17

How does the muscular system contribute to osteoporosis?

Accepted Answer

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

Question 18

The growth spurt seen in puberty is triggered by

Accepted Answer

A)   parathyroid hormone.
B)   sex hormones.
C)   growth hormone.
D)   thyroid hormone.
E)   calcitonin.F) A) and C)
G) D) and E)

Question 19

What chemical stimulates the spurt of bone growth that occurs at puberty?

Accepted Answer

A)   growth hormone
B)   sex hormones
C)   parathyroid hormone
D)   calcitonin
E)   vitamin DF) B) and E)
G) None of the above

Question 20

In which of the following locations in a growing bone would the greatest osteoclast activity be found?

Accepted Answer

A)   epiphysis
B)   epiphyseal plate
C)   medullary cavity
D)   articular cartilage
E)   perichondriumF) C) and D)
G) B) and E)

Exam 6: Skeletal System: Bones and Bone Tissue

The type of lamellae found in osteons (Haversian systems) is

Correct AnswerverifiedShow Answer

Which type of bone cells combine hydroxyapatite and collagen to form extracellular bone matrix?

Correct AnswerverifiedShow Answer

What chemical stimulates the spurt of bone growth that occurs at puberty?

Correct AnswerverifiedShow Answer

What is the membrane that lines the medullary cavity?

Correct AnswerverifiedShow Answer

How does the muscular system contribute to osteoporosis?

Correct AnswerverifiedShow Answer

The growth spurt seen in puberty is triggered by

Correct AnswerverifiedShow Answer

Haversian systems or osteons

Correct AnswerverifiedShow Answer

What type of tissue covers the ends of long bones?

Correct AnswerverifiedShow Answer

In which of the following locations in a growing bone would the greatest osteoclast activity be found?

Correct AnswerverifiedShow Answer

Ossification that involves replacing cartilage with bone is

Correct AnswerverifiedShow Answer

In which type of bone would trabeculae be present?

Correct AnswerverifiedShow Answer

The primary mineral in bone is

Correct AnswerverifiedShow Answer

What is the area where marrow is located?

Correct AnswerverifiedShow Answer

What chemical causes a decrease in the blood calcium level?

Correct AnswerverifiedShow Answer

What is the end of a long bone?

Correct AnswerverifiedShow Answer

Which of the following is correctly matched?

Correct AnswerverifiedShow Answer

Osteogenesis imperfecta is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The longitudinal growth of long bones ceases when

Correct AnswerverifiedShow Answer

How does the reproductive system contribute to osteoporosis?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified