Bone growth in width that occurs due to weight lifting at age 40 is most likely ________.
A) due to rickets
B) none since bones do not grow after adolescence
C) appositional growth
D) occurring at the epiphyseal lines
E) occurring at the epiphyseal plates
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Question 2) There are four stages in the healing of a bone fracture. Which of the following best illustrates the sequence of these stages? 1. bony callus formation 3. fibrocartilage callus formation 2. bone remodeling 4. hematoma formation
A) 4, 3, 2, 1
B) 4, 3, 1, 2
C) 1, 2, 3, 4
D) 1, 3, 4, 2
E) 1, 3, 2, 4
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Question 3) What determines where bone matrix will be remodeled?
A) sex hormones
B) osteoblasts and osteoclasts
C) the pull of gravity and muscles on the skeleton and calcium ion levels in the blood
D) parathyroid hormone (PTH) and calcitonin
E) sodium ion levels in the blood
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Question 4) What type of bone cell is primarily active when bone growth occurs?
A) osteocyte
B) erythrocyte
C) chondrocyte
D) osteoblast
E) osteoclast
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Question 5) What kind of tissue is the forerunner of long bones in the embryo?
A) elastic connective tissue
B) dense fibrous connective tissue
C) fibrocartilage
D) hyaline cartilage
E) loose fibrous connective tissue
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Question 6) A fracture in the ________ can impair the lengthwise growth of bones in a child.
A) epiphyseal plate
B) osteoblasts
C) periosteum
D) medullary cavity
E) articular cartilage
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Question 7) The canal that runs through the core of each osteon (Haversian system) contains ________.
A) cartilage and lamellae
B) osteoclasts and osteoblasts
C) yellow marrow and perforating, or Sharpey's, fibers
D) blood vessels and nerve fibers
E) red marrow
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Question 8) Which of the following bones is considered part of the axial skeleton?
A) femur
B) sternum
C) radius
D) metatarsals
E) scapula
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Question 9) Which of these bone markings is a projection that serves as a site for muscle or ligament attachment?
A) meatus
B) fossa
C) foramen
D) fissure
E) tubercle
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Question 10) Which of the following is ONLY found associated with a child's bone?
A) diaphysis
B) marrow cavity
C) epiphyseal plate
D) periosteum
E) articular cartilage
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