A&P I Unit 2

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The part of the epiphysis that does not ossify during a person's lifetime is the: A. Articular surface B. Secondary Ossification Center C. Diaphyseal Notch D. Nutrient Foramen

A

Long bones grow in length from the: A. diaphyseal line B. epiphyseal line C. epiphyseal plate D. medullary cavity

C

Short bone

C.

Nutrient artery

A.

True statements about bone tissue

A. D. F.

Which of the following is not a function of the skeletal system? A. Primary storage site in the body for the minerals sodium and potassium. B. Location of the red bone marrow; which produces red blood cells. C. Storage of triglycerides in yellow bone marrow. D. Support and protection of the body and vital organs. E. Functions in movement as the site of attachment for skeletal muscles.

A. Primary storage site in the body for the minerals sodium and potassium.

Of the following statements, identify those that are properties of intramembranous ossification, endochondral ossification, or both. A. The bone is formed via a hyaline cartilage model. B. Bone tissue forms from ossification centers. C. Bone forms from within a mesenchyme membrane. D. The early spongy bone is formed, after which the early compact bone develops. E. The original primary bone is replaced with secondary bone. F. A bone collar forms, followed by the early spongy bone.

A. endochondral B.Both C.Intramembranous D. Intramembranous E. Both F. Endochondral

Periosteum

B.

Which bones form via intramembranous ossification? A. Irregular bones B. Certain flat bones C. Long bones D. Short bones E. More than one of the above.

B. Certain flat bones

Diaphysis

D.

The branching pieces of bone in spongy bone are called: A. lamellae B. lacunae C. osteoclasts D. trabeculae

D. trabeculae

Long bone

E.

Medullary cavity

F.

Epiphysis

G.

Flat bone

H.

What is the difference between a primary and secondary ossification center in a long bone?

The primary ossification center is generally in the diaphysis of a long bone, whereas the secondary ossification centers are generally in the epiphyses.

that surround a structure called the __________ that contains blood vessels and nerves.

central canal

Osteocytes are housed in _________ and communicate via __________.

lacunae, canaliculi

It consists of rings of bone matrix called _________

lamellae

The subunit of compact bone is the ________.

osteon

Other structures called _________ also contain blood vessels and nerves.

perforating canals


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