biol 227 Lab Study Questions with Complete
Solutions
What type of bone cell is the mature bone cell that maintains the bone matrix? - ANSWER
osteocyte
What are the functions of the skeletal system? - ANSWER hemopoiesis, storage of minerals,
structural support
The type of bone that contains osteons, characterized by lamellae surrounding central canals, is
called - ANSWER compact bone
immature cell that lays new bone - ANSWER osteoblast
mature bone cell that maintains the matrix - ANSWER osteocyte
phagocytic cell that breaks down bone - ANSWER osteoclast
stem cell that differentiates into an osteoblast - ANSWER osteoprogenitor cell
Number the five functional layers of the epiphyseal plate in the correct order, from diaphyseal
side to the epiphyseal side. - ANSWER resting cartilage
proliferating cartilage
hypertrophic cartilage
calcified cartilage
ossification
What is/are visible on a slide of decalcified spongy (cancellous) bone? - ANSWER bone marrow
cavity
, osteocyte
trabecula
Which bones undergo endochondral bone development (ossification)? - ANSWER femur
radius
tibia
the area where the epiphysis of a developing long bone meets the shaft - ANSWER metaphysis
the end of a long bone - ANSWER epiphysis
the shaft of a lone bone - ANSWER 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. - ANSWER yellow bone marrow fills the medullary cavity of a long bone
red bone marrow is located within the proximal epiphyses of long bones
The outer covering of bone, the periosteum, is composed of which type of connective tissue? -
ANSWER dense irregular connective tissue
What is the correct classification for a vertebra based on shape? - ANSWER irregular
The thick layer of bone surrounding the medullary cavity is composed of (blank) bone tissue. -
ANSWER compact
What is the outer covering of bone that serves as an attachment point for tendons and
ligaments? - ANSWER periosteum
Solutions
What type of bone cell is the mature bone cell that maintains the bone matrix? - ANSWER
osteocyte
What are the functions of the skeletal system? - ANSWER hemopoiesis, storage of minerals,
structural support
The type of bone that contains osteons, characterized by lamellae surrounding central canals, is
called - ANSWER compact bone
immature cell that lays new bone - ANSWER osteoblast
mature bone cell that maintains the matrix - ANSWER osteocyte
phagocytic cell that breaks down bone - ANSWER osteoclast
stem cell that differentiates into an osteoblast - ANSWER osteoprogenitor cell
Number the five functional layers of the epiphyseal plate in the correct order, from diaphyseal
side to the epiphyseal side. - ANSWER resting cartilage
proliferating cartilage
hypertrophic cartilage
calcified cartilage
ossification
What is/are visible on a slide of decalcified spongy (cancellous) bone? - ANSWER bone marrow
cavity
, osteocyte
trabecula
Which bones undergo endochondral bone development (ossification)? - ANSWER femur
radius
tibia
the area where the epiphysis of a developing long bone meets the shaft - ANSWER metaphysis
the end of a long bone - ANSWER epiphysis
the shaft of a lone bone - ANSWER 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. - ANSWER yellow bone marrow fills the medullary cavity of a long bone
red bone marrow is located within the proximal epiphyses of long bones
The outer covering of bone, the periosteum, is composed of which type of connective tissue? -
ANSWER dense irregular connective tissue
What is the correct classification for a vertebra based on shape? - ANSWER irregular
The thick layer of bone surrounding the medullary cavity is composed of (blank) bone tissue. -
ANSWER compact
What is the outer covering of bone that serves as an attachment point for tendons and
ligaments? - ANSWER periosteum
