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Exam 6: Bones and Skeletal Tissues

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Question 1

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What kind of tissue is the forerunner of long bones in the embryo?

A) hyaline cartilage
B) dense fibrous connective tissue
C) elastic connective tissue
D) fibrocartilage

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Question 2

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

A) production of blood cells (hematopoiesis)
B) communication
C) storage of minerals
D) support

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Question 3

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Yellow bone marrow contains a large percentage of_________ .

The central (Haversian) canal that runs through the core of each osteon is the site of_________ .

Each consecutive bone lamella has collagen fibers that wrap in alternating directions.

Compare how nutrients reach individual osteocytes in compact bone and in spongy bone.

Which bone would likely take the longest to heal?

A 75-year-old woman and her 9-year-old granddaughter were victims of a train crash. In both cases, trauma to the chest was sustained. X-rays of the grandmother revealed several fractured ribs, but her granddaughter had none. Explain these different findings.

Cartilage has a flexible matrix that can accommodate mitosis of chondrocytes.

Prevention of osteoporosis includes adequate intake of_________ .

List in order the four major healing stages of a simple fracture.

The hormone that is primarily involved in the control of bone remodeling is calcitonin.

Spongy bone contains __________ .

What are the differences between the diaphysis and the epiphyses of long bones?

Bones are constantly undergoing resorption (breaking bone down) for various reasons. Which of the following cells accomplishes this process?

Bones are classified by whether they are weight bearing or protective in function.

Cartilage grows in two ways, appositional and interstitial. What is appositional growth?

The trabeculae of spongy bone are oriented toward lines of stress.

The term osteoid refers to the organic part of the matrix of compact bones without mineralization.

The periosteum is a tissue that serves only to protect the bone because it is not supplied with nerves or blood vessels.