Unit 3 Quiz: Bone Structure, Shape, and Anatomy of the Long Bone

In which of the following ways is spongy bone different from compact bone?

Select all that apply

• Spongy bone contains spaces that are filled with osteons.

• Spongy bone is found in the medullary cavity of long bones.

• Spongy bone contains spaces that are filled with red bone marrow.

• Spongy bone makes up most of the epiphyses of long bones.

Match each term with its definition

• the outer membrane covering bones

• periosteum

• 
  

  small channels providing blood supply

• osteon

• membrane lining the medullary cavity

• canaliculi

• structural unit for compact bone

• endosteum

Fido, a dog, is chewing on the toy bone as seen in the picture. The toy bone is a narrow, extended structure with rounded ends. If the toy bone were classified according to shape, what type of bone would the toy be classified as?

• short bone

• irregular bone

• flat bone

• long bone

What is the name for the passageway at the center of an osteon?

• lacunae

• lamellae

• Haversian canal

• osteocyte

What is the term for the line that appears in between the diaphysis and the epiphysis of a long bone that marks where bone growth occurred?

• epiphyseal line

• irregular bone

• compact bone

• yellow bone marrow

Which of the following statements are true regarding the classification of bones based on shape?

• Flat bones are narrow and cylindrical.

• Flat bones are thin and platelike.

• Short bones appear like discs or plates.

• Short bones are approximately as long as they are wide.

Long bones can be described using anatomical terminology. Label the parts of the long bone:

a

b

c

epiphysis

diaphysis

medullary cavity