Skeletal System Quiz

What is the main protein found in bones?

• Keratin

• Collagen

• Elastin

• Fibrin

What type of skeleton do earthworms have?

• Endoskeleton

• Exoskeleton

• Hydrostatic skeleton

• Axial skeleton

Which type of bone is longer than it is wide and tends to be moved in muscle contraction?

• Long bones

• Flat bones

• Sesamoid bones

• Short bones

What is the outer layer of bone tissue called?

• Red marrow

• Yellow marrow

• Compact bone tissue

• Spongy bone tissue

Which cells make up the majority of bone cells present and maintain bone structure?

• Osteocytes

• Osteoclasts

• Osteoblasts

• Chondroblasts

What is the function of red marrow in bones?

• Mineral storage

• Hormone production

• Blood cell production

• Energy storage

What is the name of the connective tissue that supports bone and is important in joints?

• Fibrin

• Elastin

• Cartilage

• Collagen

What is the process called when old or damaged bone is reabsorbed and replaced?

• Bone regeneration

• Bone repair

• Bone remodeling

• Bone growth

What is the name of the collection of blood that forms at the site of a bone break?

• Clot

• Thrombus

• Hematoma

• Plaque

Which genetic disorder impacts collagen production and causes brittle bones?

• Osteoporosis

• Marfan syndrome

• Osteogenesis imperfecta

• Rickets