The Skeletal System

Front

What vitamin deficiency causes Rickets?

Back

Vitamin D deficiency leads to Rickets, a condition that affects bone development in children.

Front

What type of fracture is common when a person tries to break their fall with outstretched arms?

Back

An impacted fracture is common when a person tries to break their fall with outstretched arms.

Front

Which structure is NOT found in spongy bone?

Back

Haversian canals are not found in spongy bone; they are found in compact bone.

Front

What hormone regulates calcium levels in the blood and bone?

Back

Parathyroid hormone is primarily responsible for regulating calcium levels in the blood and bone.

Front

Which of the following is NOT a function of the skeletal system?

Back

Helping transmit impulses is NOT a function of the skeletal system.

Front

What is the primary function of the skeletal system?

Back

The primary functions of the skeletal system include providing support, protecting organs, facilitating movement, and producing blood cells.

Front

What are osteocytes?

Back

Osteocytes are mature bone cells that maintain bone tissue.

Front

What is the role of trabeculae in spongy bone?

Back

Trabeculae are the structural units of spongy bone that help distribute stress and provide support.

Front

What is the difference between compact bone and spongy bone?

Back

Compact bone is dense and forms the outer layer of bones, while spongy bone is lighter and contains trabecular structures.

Front

What is the function of red marrow?

Back

Red marrow is responsible for producing red blood cells, white blood cells, and platelets.