BIOL 227 LAB EXAM QUESTIONS
AND ANSWERS 100% PASS
What type of bone cell is the mature bone cell that maintains the bone matrix? -
✔✔osteocyte
What are the functions of the skeletal system? - ✔✔hemopoiesis, storage of minerals,
structural support
The type of bone that contains osteons, characterized by lamellae surrounding central
canals, is called - ✔✔compact bone
immature cell that lays new bone - ✔✔osteoblast
mature bone cell that maintains the matrix - ✔✔osteocyte
phagocytic cell that breaks down bone - ✔✔osteoclast
stem cell that differentiates into an osteoblast - ✔✔osteoprogenitor cell
Number the five functional layers of the epiphyseal plate in the correct order, from
diaphyseal side to the epiphyseal side. - ✔✔resting cartilage
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, proliferating cartilage
hypertrophic cartilage
calcified cartilage
ossification
What is/are visible on a slide of decalcified spongy (cancellous) bone? - ✔✔bone
marrow cavity
osteocyte
trabecula
Which bones undergo endochondral bone development (ossification)? - ✔✔femur
radius
tibia
the area where the epiphysis of a developing long bone meets the shaft - ✔✔metaphysis
the end of a long bone - ✔✔epiphysis
the shaft of a lone bone - ✔✔diaphysis
In mature skeletons, (blank) bone marrow fills the medullary cavity of a long bone, and
(blank) bone marrow is located within the proximal epiphyses of long bones such as the
humerus and femur. - ✔✔yellow bone marrow fills the medullary cavity of a long bone
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AND ANSWERS 100% PASS
What type of bone cell is the mature bone cell that maintains the bone matrix? -
✔✔osteocyte
What are the functions of the skeletal system? - ✔✔hemopoiesis, storage of minerals,
structural support
The type of bone that contains osteons, characterized by lamellae surrounding central
canals, is called - ✔✔compact bone
immature cell that lays new bone - ✔✔osteoblast
mature bone cell that maintains the matrix - ✔✔osteocyte
phagocytic cell that breaks down bone - ✔✔osteoclast
stem cell that differentiates into an osteoblast - ✔✔osteoprogenitor cell
Number the five functional layers of the epiphyseal plate in the correct order, from
diaphyseal side to the epiphyseal side. - ✔✔resting cartilage
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, proliferating cartilage
hypertrophic cartilage
calcified cartilage
ossification
What is/are visible on a slide of decalcified spongy (cancellous) bone? - ✔✔bone
marrow cavity
osteocyte
trabecula
Which bones undergo endochondral bone development (ossification)? - ✔✔femur
radius
tibia
the area where the epiphysis of a developing long bone meets the shaft - ✔✔metaphysis
the end of a long bone - ✔✔epiphysis
the shaft of a lone bone - ✔✔diaphysis
In mature skeletons, (blank) bone marrow fills the medullary cavity of a long bone, and
(blank) bone marrow is located within the proximal epiphyses of long bones such as the
humerus and femur. - ✔✔yellow bone marrow fills the medullary cavity of a long bone
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