Question 1

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

Accepted Answer

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

Question 2

When a fracture begins to heal, one type of bone cell moves into the fracture site and tears down the damaged bone tissue. Which of the following does this?

Accepted Answer

A)   osteoclasts
B)   osteoblasts
C)   osteons
D)   matrix cells
E)   osteocytesF) A) and D)
G) B) and E)

Question 3

Which type of bone cells give rise to osteoblasts?

Accepted Answer

A)   osteochondral progenitor cell
B)   osteoblasts
C)   osteocytes
D)   osteoclastsE) All of the above
F) C) and D)

Question 4

A bone fracture in which one fragment is driven into the cancellous bone of the other fragment is a(an)

Accepted Answer

A)   complicated fracture.
B)   impaction fracture.
C)   spiral fracture.
D)   dentate fracture.
E)   greenstick fracture.F) C) and D)
G) B) and E)

Question 5

The proper sequence of events in bone repair is

Accepted Answer

A)   callus formation, hematoma formation, callus ossification, remodeling of bone.
B)   remodeling of bone, callus ossification, hematoma formation, callus formation.
C)   hematoma formation, callus formation, callus ossification, remodeling of bone.
D)   callus ossification, callus formation, remodeling of bone, hematoma formation.
E)   hematoma formation, callus ossification, callus formation, remodeling of bone.F) None of the above
G) B) and D)

Question 6

You would look for concentric lamellae

Accepted Answer

A)   around the central canal of an osteon.
B)   in between osteons.
C)   on the outer surface of compact bone tissues.
D)   as components of the cartilage.
E)   in the bone marrow.F) None of the above
G) A) and D)

Question 7

Brittle bone disorder is another name for

Accepted Answer

A)   osteoporosis.
B)   osteogenesis imperfecta.
C)   osteomalacia.
D)   scurvy.
E)   osteomyelitis.F) C) and E)
G) B) and E)

Question 8

A band of connective tissue that attaches a muscle to a bone is a(n)

Accepted Answer

A)   aponeurosis.
B)   ligament.
C)   bursa.
D)   epimysium.
E)   tendon.F) A) and B)
G) A) and C)

Question 9

An example of a long bone would be

Accepted Answer

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

Question 10

Osteoblasts involved in bone growth in length come primarily from

Accepted Answer

A)   chondrocytes.
B)   endothelium of blood vessels.
C)   osteocytes.
D)   periosteum.
E)   connective tissue surrounding blood vessels from the endosteum.F) A) and D)
G) B) and E)

Question 11

Bone growth of the epiphysis occurs at the

Accepted Answer

A)   articular cartilage.
B)   joint cavity.
C)   perichondrium.
D)   epiphyseal plate.
E)   diaphysis.F) B) and E)
G) A) and B)

Question 12

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

Accepted Answer

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

Question 13

Which type of bone has concentric lamellae?

Accepted Answer

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

Question 14

What are the maintenance cells in bone tissue?

Accepted Answer

A)   osteocytes
B)   osteoblasts
C)   osteoclasts
D)   chondrocytes
E)   osteochondral progenitor cellsF) B) and E)
G) B) and C)

Question 15

Parathyroid hormone (PTH)  causes

Accepted Answer

A)   increased RANKL and increased OPG.
B)   increased RANKL and decreased OPG.
C)   decreased RANKL and increased OPG.
D)   decreased RANKL and decreased OPG.
E)   PTH has no effect on RANKL and OPG.F) B) and E)
G) A) and E)

Question 16

Spaces in the bone matrix that are occupied by osteocytes are

Accepted Answer

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

Question 17

Which of the following statements regarding calcium homeostasis is true?

Accepted Answer

A)   Parathyroid hormone inhibits osteoclast activity.
B)   When blood calcium levels are too low, osteoclast activity increases.
C)   Increased osteoblast activity increases blood calcium levels.
D)   Parathyroid hormone increases calcium loss from the kidney.
E)   Calcitonin elevates blood calcium levels.F) A) and B)
G) B) and D)

Question 18

Which of the following statements about bone growth is TRUE?

Accepted Answer

A)   Most growth in long bones results from interstitial growth.
B)   Appositional bone growth results in increased bone length.
C)   Endochondral growth in long bones occurs at the epiphyseal plate.
D)   In the epiphyseal plate, osteoblasts degenerate to form chondrocytes.
E)   Bones can not grow by appositional growth.F) A) and B)
G) B) and E)

Question 19

Arrange the following events in endochondral ossification in proper sequence: (1)  Cartilage matrix is calcified and chondrocytes die.
(2)  Chondrocytes hypertrophy.
(3)  Cartilage model is formed.
(4)  Osteoblasts deposit bone on the surface of the calcified cartilage called the primary ossification center.
(5)  Blood vessels from the periosteum invade calcified cartilage bringing in osteoblasts and osteoclasts.

Accepted Answer

A)   3, 2, 1, 5, 4
B)   3, 2, 5, 4, 1
C)   3, 2, 5, 1, 4
D)   3, 5, 2, 4, 1
E)   1, 3, 4, 5, 2F) A) and E)
G) A) and D)

Question 20

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

Accepted Answer

A)   bone of diaphysis
B)   zone of calcification
C)   zone of hypertrophy
D)   zone of proliferation
E)   zone of resting cartilageF) D) and E)
G) C) and D)

Exam 6: Skeletal System: Bones and Bone Tissue

Parathyroid hormone (PTH) causes

Correct Answer
verified

When a fracture begins to heal, one type of bone cell moves into the fracture site and tears down the damaged bone tissue. Which of the following does this?

Correct Answer
verified

Spaces in the bone matrix that are occupied by osteocytes are

Correct Answer
verified

Which of the following statements regarding calcium homeostasis is true?

Correct Answer
verified

A bone fracture in which one fragment is driven into the cancellous bone of the other fragment is a(an)

Correct Answer
verified

A band of connective tissue that attaches a muscle to a bone is a(n)

Correct Answer
verified

The proper sequence of events in bone repair is

Correct Answer
verified

Which of the following statements about bone growth is TRUE?

Correct Answer
verified

Bone growth of the epiphysis occurs at the

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

What are the maintenance cells in bone tissue?

Correct Answer
verified

Osteoblasts involved in bone growth in length come primarily from

Correct Answer
verified

You would look for concentric lamellae

Correct Answer
verified

An example of a long bone would be

Correct Answer
verified

Brittle bone disorder is another name for

Correct Answer
verified

Which type of bone cells give rise to osteoblasts?

Correct Answer
verified

Which type of bone has concentric lamellae?

Correct Answer
verified

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

Correct Answer
verified

Exam 6: Skeletal System: Bones and Bone Tissue

Parathyroid hormone (PTH) causes

Correct AnswerverifiedShow Answer

When a fracture begins to heal, one type of bone cell moves into the fracture site and tears down the damaged bone tissue. Which of the following does this?

Correct AnswerverifiedShow Answer

Spaces in the bone matrix that are occupied by osteocytes are

Correct AnswerverifiedShow Answer

Which of the following statements regarding calcium homeostasis is true?

Correct AnswerverifiedShow Answer

A bone fracture in which one fragment is driven into the cancellous bone of the other fragment is a(an)

Correct AnswerverifiedShow Answer

A band of connective tissue that attaches a muscle to a bone is a(n)

Correct AnswerverifiedShow Answer

The proper sequence of events in bone repair is

Correct AnswerverifiedShow Answer

Which of the following statements about bone growth is TRUE?

Correct AnswerverifiedShow Answer

Bone growth of the epiphysis occurs at the

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What are the maintenance cells in bone tissue?

Correct AnswerverifiedShow Answer

Osteoblasts involved in bone growth in length come primarily from

Correct AnswerverifiedShow Answer

You would look for concentric lamellae

Correct AnswerverifiedShow Answer

An example of a long bone would be

Correct AnswerverifiedShow Answer

Brittle bone disorder is another name for

Correct AnswerverifiedShow Answer

Which type of bone cells give rise to osteoblasts?

Correct AnswerverifiedShow Answer

Which type of bone has concentric lamellae?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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