BIOL 227 LAB Exam Questions and Answers With Verified Solutions 2025
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
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
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? -
✔✔dense irregular connective tissue
What is the correct classification for a vertebra based on shape? - ✔✔irregular
The thick layer of bone surrounding the medullary cavity is composed of (blank) bone tissue. -
✔✔compact
What is the outer covering of bone that serves as an attachment point for tendons and ligaments? -
✔✔periosteum
What bone(s) is/are part of the axial skeleton? - ✔✔rib
skull
sternum
What bones compose the os coxae? - ✔✔ilium
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
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
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? -
✔✔dense irregular connective tissue
What is the correct classification for a vertebra based on shape? - ✔✔irregular
The thick layer of bone surrounding the medullary cavity is composed of (blank) bone tissue. -
✔✔compact
What is the outer covering of bone that serves as an attachment point for tendons and ligaments? -
✔✔periosteum
What bone(s) is/are part of the axial skeleton? - ✔✔rib
skull
sternum
What bones compose the os coxae? - ✔✔ilium
