Question 1

Cells that remove excess bone tissue after fracture repair are

Accepted Answer

A)   fibroblasts and osteoblasts.
B)   chondrocytes and osteocytes.
C)   osteoblasts and osteoclasts.
D)   osteoclasts and phagocytes.E) A) and C)
F) B) and C)

Question 2

The term "bone" can refer to

Accepted Answer

A)   a tissue, an organ, or a type of cell.
B)   a tissue or an organ only.
C)   a tissue only
D)   an organ only.E) All of the above
F) None of the above

Question 3

The thyroid gland secretes growth hormone.

Accepted Answer

A) True 
 B)False

Question 4

Osteoclasts are

Accepted Answer

A)   cells that secrete bone matrix.
B)   mature bone cells that maintain the matrix.
C)   immature bone cells that give rise to osteocytes.
D)   cells that break down bone matrix.E) None of the above
F) A) and C)

Question 5

The secondary curves of the vertebral column are the

Accepted Answer

A)   cervical and lumbar curvatures.
B)   cervical and thoracic curvatures.
C)   thoracic and sacral curvatures.
D)   lumbar and sacral curvatures.E) B) and D)
F) All of the above

Question 6

The deltoid tuberosity is part of the humerus.

Accepted Answer

A) True 
 B)False

Question 7

The xiphoid process is part of the ______.

Accepted Answer

The answer of The xiphoid process is part of the...

Question 8

Endochondral ossification ______, whereas intramembranous ossification ______.

Accepted Answer

A)   replaces hyaline cartilage; replaces undifferentiated connective tissue
B)   forms bone in broad, flat areas of the skull; occurs in the limbs
C)   inhibits osteoblast activity; activates osteoclast activity
D)   activates osteoclasts; inhibits osteoblast activityE) A) and B)
F) All of the above

Question 9

The pectoral girdle consists of two scapulae and two clavicles.

Accepted Answer

A) True 
 B)False

Question 10

The intervertebral discs are formed of _____________.

Accepted Answer

The answer of The intervertebral discs are formed of _____________....

Question 11

Height begins to decrease on average after age

Accepted Answer

A)   25.
B)   30.
C)   50.
D)   65.E) C) and D)
F) None of the above

Question 12

Phalanges are

Accepted Answer

A)   finger bones only.
B)   toe bones only.
C)   both finger and toe bones.
D)   wrist and ankle bones.E) All of the above
F) A) and B)

Question 13

At what age are nearly all bones completely ossified?

Accepted Answer

A)   Birth
B)   5 years
C)   15 years
D)   25 yearsE) All of the above
F) A) and D)

Question 14

Which of the following increases the risk of developing osteoporosis?

Accepted Answer

A)   Low intake of dietary calcium
B)   Lack of physical exercise
C)   Family history of the condition
D)   All of the aboveE) All of the above
F) None of the above

Question 15

The ischium is the anterior part of the hip bone.

Accepted Answer

A) True 
 B)False

Question 16

Bisphosphonates are drugs that slow the progress of

Accepted Answer

A)   rickets.
B)   heart disease.
C)   osteoporosis.
D)   menopause.E) A) and B)
F) All of the above

Question 17

Which of the following is the most abundant form in which calcium is found in the inorganic matrix of the bone?

Accepted Answer

A)   Calcium oxalate
B)   Hydroxyapatite
C)   Calcium pyrophosphate
D)   Calcium carbonateE) A) and B)
F) None of the above

Question 18

The clavicles

Accepted Answer

A)   provide attachments for muscles of the back, chest, and upper limbs.
B)   are the strongest bones in the body.
C)   provide attachments for muscles of the pelvic girdle and lower limbs.
D)   are part of the axial skeleton.E) B) and C)
F) A) and C)

Question 19

Compact bone has ________, whereas spongy bone has __________.

Accepted Answer

A)   spaces that reduce the weight of bone; tightly packed matrix that is solid
B)   osteons; trabeculae
C)   trabeculae; osteons
D)   osteocytes; no osteocytesE) B) and C)
F) All of the above

Question 20

A compound fracture

Accepted Answer

A)   incompletely breaks the bone in more than one place.
B)   is caused by a disease.
C)   exposes the broken bone to the outside.
D)   completely breaks the bone in more than one place.E) B) and D)
F) All of the above

Exam 7: Skeletal System

Which of the following increases the risk of developing osteoporosis?

Correct AnswerverifiedShow Answer

Cells that remove excess bone tissue after fracture repair are

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The term "bone" can refer to

Correct AnswerverifiedShow Answer

The ischium is the anterior part of the hip bone.

Correct AnswerverifiedShow Answer

The clavicles

Correct AnswerverifiedShow Answer

The secondary curves of the vertebral column are the

Correct AnswerverifiedShow Answer

Bisphosphonates are drugs that slow the progress of

Correct AnswerverifiedShow Answer

A compound fracture

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Osteoclasts are

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Height begins to decrease on average after age

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Which of the following is the most abundant form in which calcium is found in the inorganic matrix of the bone?

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Endochondral ossification ______, whereas intramembranous ossification ______.

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The intervertebral discs are formed of _____________.

Correct AnswerverifiedShow Answer

The pectoral girdle consists of two scapulae and two clavicles.

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Phalanges are

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The thyroid gland secretes growth hormone.

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At what age are nearly all bones completely ossified?

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The xiphoid process is part of the ______.

Correct AnswerverifiedShow Answer

The deltoid tuberosity is part of the humerus.

Correct AnswerverifiedShow Answer

Compact bone has ________, whereas spongy bone has __________.

Correct AnswerverifiedShow Answer

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Endochondral ossification , whereas intramembranous ossification .

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Compact bone has , whereas spongy bone has __.

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