30 Questions
Which type of cartilage covers bones at joints and has no perichondrium?
Articular cartilage
What is the function of ligaments in the skeletal system?
To provide support and protection
Which cells produce the matrix in cartilage?
Chondroblasts
What are the components of the skeletal system?
Bones, cartilage, tendons, and ligaments
Which part of a mature bone has become the epiphyseal line?
Epiphyseal plate
What happens to the cartilage in the epiphysis of a mature bone?
It becomes bone
Where do secondary ossification centers form in long bones?
Epiphysis
What type of growth occurs on old bone and/or on cartilage surface?
Appositional growth
Which cells are responsible for the resorption of bone?
Osteoclasts
What is the function of the perichondrium in cartilage growth?
To add new cartilage to the surface of existing cartilage
What is the main inorganic component of bone matrix?
Hydroxyapatite
What is the function of osteocytes in bone tissue?
To maintain the bone matrix
Which type of bone is the femur an example of?
Long bone
What is the function of the epiphyseal plate?
To allow for bone growth in length
Which type of bone has many small spaces and is mainly found in the epiphysis?
Spongy bone
What is the function of the periosteum?
To cover the outer surface of the bone
Which type of bone development takes place in connective tissue membrane formed from embryonic mesenchyme?
Intramembranous ossification
Which type of ossification produces woven bone that is then remodeled?
Both methods of ossification
What are the locations in the membrane where ossification begins called?
Centers of ossification
What are the large membrane-covered spaces between developing skull bones called?
Fontanels
Which cells are responsible for removing bone from the exterior and rebuilding it?
Osteoclasts
What is the function of the callus in bone repair?
To stabilize the broken ends of the bone
Which hormone stimulates osteoclasts to break down bone and release calcium into the blood?
Parathyroid Hormone (PTH)
What is the major storage site for calcium in the body?
Bone
Which of the following is a characteristic of the skeletal system in aging individuals?
Increased rate of bone loss after menopause
What type of fracture occurs when the bone break is accompanied by an open wound?
Open (compound)
Which group has higher bone masses compared to Caucasians and Asians?
Both African Americans and Hispanics
What type of fracture occurs when the bone break does not extend across the entire bone?
Incomplete
Which type of fracture occurs on the convex side of the curve of a bone?
Greenstick
What type of fracture occurs when one fragment is driven into the spongy portion of the other fragment?
Impacted
Take this quiz to test your knowledge on bone remodeling, including bone growth, changes in bone shape, adjustments due to stress, bone repair, and calcium ion regulation. Explore how the relative thickness of bone changes as it grows and understand the processes of osteoclasts and osteoblasts in removing old bone and forming new bone.
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