#1
What is the basic structural unit of compact bone?
Osteon
ExplanationStructural unit of compact bone.
#2
Which cells are responsible for bone resorption?
Osteoclasts
ExplanationCells responsible for breaking down bone tissue.
#3
Which bone cell type is responsible for producing new bone matrix?
Osteoblast
ExplanationProduces bone tissue.
#4
Which of the following bones is not part of the axial skeleton?
Scapula
ExplanationPart of the appendicular skeleton.
#5
What is the primary mineral component of bone tissue?
Calcium phosphate
ExplanationMain mineral present in bone.
#6
Which bone is commonly referred to as the 'collarbone'?
Clavicle
ExplanationBone located in the shoulder region.
#7
Which of the following bones is part of the appendicular skeleton?
Patella
ExplanationBone located in the knee region.
#8
What is the function of osteoblasts?
Bone deposition
ExplanationResponsible for forming new bone tissue.
#9
What is the composition of the organic matrix in bone tissue primarily made of?
Collagen fibers
ExplanationMain component of bone's organic matrix.
#10
Which type of bone marrow is primarily involved in hematopoiesis?
Red marrow
ExplanationSite of blood cell production.
#11
What is the function of osteocytes?
Maintain bone tissue
ExplanationMaintains bone structure and regulates mineral concentrations.
#12
What is the function of the periosteum?
Provides nourishment and serves as a site for bone repair
ExplanationOuter layer of bone involved in healing and nourishing bone tissue.
#13
What is the name of the joint that connects the femur to the tibia?
Knee joint
ExplanationConnects the thigh bone to the shin bone.
#14
What is the function of the medullary cavity in long bones?
Contain bone marrow
ExplanationHouses bone marrow.
#15
Which hormone plays a crucial role in regulating calcium levels in the blood and bone?
Parathyroid hormone
ExplanationRegulates calcium levels in the body.