Skeletal System Quiz

Which type of cartilage is present in the intervertebral discs?

• Hyaline cartilage

• Elastic cartilage

• Fibrocartilage

• Costal cartilage

What happens to the number of bones from birth to adulthood?

• Increases

• Decreases

• Stays the same

• Doubles

Which part of the bone consists of hyaline cartilage and allows bones to grow in length?

• Diaphysis

• Epiphyseal plate

• Medullary cavity

• Periosteum

Why do children have more red bone marrow than adults?

• They need more energy

• They have smaller bones

• They are growing and need more blood cells

• They have a faster metabolism

Which structure is responsible for bone growth and repair?

• Endosteum

• Osteocyte

• Periosteum

• Lacuna

What is the function of the perforating (Volkmann's) canal?

• It stores fat.

• It connects blood vessels of the periosteum to the central canal.

• It produces osteocytes.

• It lines the bone marrow cavity.

What structure continues into the medullary cavity containing marrow?

• Central (Haversian) canal

• Perforating (Volkmann's) canal

• Blood vessel

• Osteocyte

Which ion is part of the inorganic components of bone?

• Potassium

• Sodium

• Iron

• Zinc

Which of the following is NOT an inorganic component of bone?

• Calcium

• Collagen fibers

• Magnesium

• Fluoride

At what age do epiphyseal plates typically close?

• Between ages 10 to 15

• Between ages 18 to 25

• Between ages 30 to 35

• Between ages 40 to 45