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Principles of Human Anatomy and Physiology Chapter 11

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Principles of Human Anatomy and Physiology Chapter 11

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Questions and Answers

What does a bone scan help to identify?

Abnormal bone density

Areas of increased metabolic activity (correct)

Bone structure and shape

Bone age and growth rate

What is the function of the epiphyseal plate in bone growth?

To form the bone marrow cavity

To enable bone to increase in length (correct)

To allow bone to grow in width

To increase bone density

What happens to the cartilage cells on the diaphyseal side of the epiphyseal plate?

They remain dormant

They are replaced by muscle tissue

They are destroyed and replaced by bone (correct)

They are produced by mitosis

What is the term for the appearance of a bone that has completed its growth in length?

Epiphyseal line Signup and view all the answers

During what age range do epiphyseal plates typically close?

18 to 25 years Signup and view all the answers

What is the term for areas of decreased metabolic activity in a bone scan?

Cold spots Signup and view all the answers

What happens to cartilage cells at the epiphyseal line?

They stop dividing and bone replaces the cartilage Signup and view all the answers

What is the main function of osteoclasts in bone remodeling?

To destroy old bone tissue Signup and view all the answers

What type of growth is responsible for bone growth in thickness?

Appositional growth Signup and view all the answers

What is the role of estrogen in bone growth?

It is responsible for closure of the growth plate Signup and view all the answers

What is the result of oversecretion of hGH during childhood?

Giantism Signup and view all the answers

What is the process of bone growth in width?