10 Questions
What are the organic components of bone?
Osteoprogenitor, osteoblasts, osteocytes, and osteoclasts
What is the composition of the bone matrix?
25% water, 25% organic components, and 50% crystallized mineral salts
What is the function of osteoclasts in bone?
Osteoclasts resorb (break down) the bone matrix.
What causes the closure of epiphyseal plates in bones?
The cessation of cartilage cell division and the replacement of cartilage by bone.
What role does mechanical stress play in bone remodeling?
It is required for normal bone remodeling and is detected by osteocytes.
What are the four classes of bones determined by shape?
Long bones, short bones, flat bones, irregular bones
What are the general functions of bones?
Support and protection of soft tissues, levers for movement, hematopoiesis, storage of mineral and energy reserves
What is the composition of the medullary cavity?
Marrow cavity
Where is the articular cartilage located and what is its function?
It is located at the ends of long bones and it acts as a shock absorber and reduces friction.
What is the main difference between compact (cortical) bone and spongy (cancellous) bone?
Compact bone is solid and hard, making up the shaft of long bones and the external layer of all bones, while spongy bone is located internal to compact bone and appears porous.
Test your knowledge on the bones of the axial skeleton, bony landmarks, general functions of bone, and the classification of bones. This quiz covers important concepts related to the skeletal system.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
