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Most blood cells are produced in the red marrow of bones.

A) True
B) False

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The cortex of the long bone's diaphysis is made of _________.


A) marrow
B) compact bone
C) spongy bone
D) dense regular connective tissue
E) articular cartilage

F) C) and D)
G) A) and C)

Correct Answer

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Hypocalcemia can cause __________.


A) emotional disturbances
B) depression of the nervous system
C) muscle weakness
D) sluggish reflexes
E) muscle spasms

F) A) and D)
G) A) and E)

Correct Answer

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The expanded head at each end of a long bone is called the __________.


A) epiphysis
B) diaphysis
C) articular cartilage
D) periosteum
E) endosteum

F) B) and D)
G) C) and E)

Correct Answer

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Bones grow in diameter by interstitial growth.

A) True
B) False

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Arteriosclerosis is one example of ectopic ossification,which means __________.


A) the solubility product has been reached
B) artery mineralization by osteoblasts
C) abnormal calcification of a tissue
D) accumulation of collagenous fibers in blood vessels
E) ossification of an entire blood vessel

F) A) and D)
G) B) and C)

Correct Answer

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A soft callus forms during ___________.


A) endochondral ossification
B) intramembranous ossification
C) bone growth at the metaphysis
D) the remodeling of bone
E) the healing of a fracture

F) B) and C)
G) D) and E)

Correct Answer

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The hardness of bone comes from __________,whereas __________ provide(s) some degree of flexibility.


A) hydroxyapatite and other minerals;proteins
B) collagen and elastic fibers;minerals
C) glycoproteins;proteoglycans
D) calcium carbonate;calcium phosphate
E) proteins;collagen

F) B) and E)
G) D) and E)

Correct Answer

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Synthesized by the combined action of the skin,kidneys,and liver,_________ is important to the deposition of bone.


A) growth hormone
B) testosterone
C) estrogen
D) calcitonin
E) calcitriol

F) A) and B)
G) B) and D)

Correct Answer

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Osteomalacia results in bone brittleness.

A) True
B) False

Correct Answer

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A long bone is covered externally with a sheath called the __________,whereas the marrow cavity is lined with the __________.


A) epiphysis;diaphysis
B) diaphysis;epiphysis
C) compact bone;spongy bone
D) periosteum;endosteum
E) endosteum;periosteum

F) A) and B)
G) A) and C)

Correct Answer

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Osteoid tissue is similar to bone except for a lack of minerals.

A) True
B) False

Correct Answer

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Osteoporosis often leads to an exaggerated thoracic spinal curvature,which is called kyphosis.

A) True
B) False

Correct Answer

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Adding pins and plates to a fracture to aid repair is called traction.

A) True
B) False

Correct Answer

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It is common to find __________ in compact bone,but they are not seen in spongy bone.


A) lamellae
B) osteoclasts
C) lacunae
D) central canals
E) osteocytes

F) A) and B)
G) A) and C)

Correct Answer

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Which of the following does not put women at risk for hypocalcemia?


A) Lactation
B) Pregnancy
C) Removal of the parathyroid glands
D) Removal of the thyroid gland
E) Lack of exposure to UV radiation

F) B) and D)
G) A) and E)

Correct Answer

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Bone protrudes through the skin in a fracture called __________.


A) complete
B) incomplete
C) closed
D) open
E) displaced

F) B) and D)
G) C) and E)

Correct Answer

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Osteoporosis is most common in elderly women because of the lack of ___________,which would otherwise inhibit ____________.


A) dietary calcium;estrogen production
B) osteoblasts;osteoclast activity
C) estrogen;osteoclast activity
D) parathyroid hormone;osteocyte activity
E) exercise;osteoblast activity

F) B) and E)
G) A) and D)

Correct Answer

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Blood Ca2+ deficiency stimulates __________ secretion,which leads to __________.


A) calcitonin;more urinary phosphate reabsorption
B) calcitriol;more urinary phosphate excretion
C) parathyroid hormone;increased osteoclast activity
D) growth hormone;increased osteoblast activity
E) thyroid hormone;less urinary calcium excretion

F) A) and B)
G) A) and C)

Correct Answer

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Bone elongation is a result of __________.


A) cartilage growth
B) muscle growth
C) osseous tissue growth
D) fibrous membrane addition
E) dense irregular connective tissue addition

F) C) and D)
G) A) and D)

Correct Answer

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