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Endochondral ossification ______,whereas intramembranous ossification ______.


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 activity

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

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Curvatures of the spine produce all of the following except


A) lordosis.
B) scoliosis.
C) increased height.
D) kyphosis.

E) None of the above
F) A) and D)

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Bones are classified as irregular,flat,short,or long.

A) True
B) False

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Which of the following correctly lists the steps of fracture repair in sequence?


A) A hematoma forms,granulation tissue and fibrocartilage develop,osteoclasts and phagocytes clear away debris,bony callus forms.
B) A hematoma forms,osteoblasts arrive and produce new bone tissue,osteoclasts and phagocytes clear away debris,granulation tissue forms.
C) Phagocytes clear away debris,osteoblasts remove damaged bone tissue,and a hematoma forms.
D) A hematoma forms followed by formation of a bony callus that fibrocartilage replaces.

E) None of the above
F) A) and D)

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Phalanges are


A) finger bones only.
B) toe bones only.
C) both finger and toe bones.
D) wrist and ankle bones.

E) A) and C)
F) B) and C)

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Testosterone has a stronger effect on epiphyseal plates than estrogens.

A) True
B) False

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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?


A) Calcium oxalate
B) Hydroxyapatite
C) Calcium pyrophosphate
D) Calcium carbonate

E) B) and C)
F) A) and C)

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The thyroid hormone thyroxine ______.


A) increases cartilage production in the epiphyseal plate
B) stimulates osteoclasts
C) stimulates replacement of cartilage with bone in the epiphyseal plate
D) removes calcium from bone

E) A) and B)
F) B) and C)

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The tough,fibrous vascular tissue that encloses a long bone is the ______.

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The shoulder is part of the _________ girdle.

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Exercise ______ and _______ bones.


A) thickens;elongates
B) elongates;weakens
C) thickens;strengthens
D) thins;atrophies

E) None of the above
F) B) and D)

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The ischium is the anterior part of the hip bone.

A) True
B) False

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The capitulum and trochlea are located


A) at the proximal end of the humerus.
B) at the distal end of the humerus.
C) at the distal end of the ulna.
D) in the hanD.

E) A) and D)
F) A) and C)

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Blood cell formation is called osteogenesis.

A) True
B) False

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Bone-forming cells are called ______.

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Intervertebral discs are formed of skeletal muscle.

A) True
B) False

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Most people have 24 ribs.

A) True
B) False

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The small intestine requires vitamin D to adequately absorb calcium.

A) True
B) False

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Which of the following groups of bones,based on shape,is associated with an incorrect example?


A) Long bones - forearm bones
B) Short bones - wrist and ankle bones
C) Flat bones - thigh bones
D) Irregular bones - vertebrae

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

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Which is true of sex hormones?


A) They inhibit osteoblast activity.
B) They have no effect on bone.
C) They stimulate ossification of the epiphyseal plates.
D) Their action on bone growth is stronger in males than in females.

E) All of the above
F) A) and C)

Correct Answer

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