Unit 3 Skeletal System Review

What are bones primarily composed of?

• Living cells and fibers surrounded by calcium deposits

• Water and proteins

• Fat and cartilage

• Blood and muscle tissue

How are bones classified?

• By their color

• By their size

• By their shape

• By their weight

Which of the following is an example of a flat bone?

• Femur

• Scapula

• Vertebrae

• Wrist

What type of bone is the femur?

• Short bone

• Irregular bone

• Long bone

• Sesamoid bone

Which bone is an example of an irregular bone?

• Scapula

• Vertebrae

• Femur

• Knee cap

What are the two basic regions of a long bone?

• Diaphysis and Epiphyses

• Diaphysis and Metaphysis

• Epiphyses and Metaphysis

• Diaphysis and Periosteum

What is the function of the epiphyseal plate in a long bone?

• It provides a surface for muscle attachment.

• It is a growth plate made of cartilage.

• It stores bone marrow.

• It protects the bone from fractures.

What is the function of the articular cartilage in long bones?

• Provides smooth movement of joints and cushions from shock

• Supports muscle attachment

• Stores minerals

• Produces blood cells

What is found in the diaphysis of a long bone?

• A solid bone structure

• A hollow medullary cavity

• A dense network of nerves

• A layer of cartilage

What type of bone marrow fills the medullary cavity in young people?

• Yellow bone marrow

• White bone marrow

• Red bone marrow

• Blue bone marrow