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Exam 6: Bones and Skeletal Tissue

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Question 41

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The cell responsible for secreting the matrix of bone is the ________.

A) osteocyte
B) osteoblast
C) osteoclast
D) chondrocyte

E) B) and C)
F) A) and B)

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Question 42

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A long bone forms by a process known as ________ ossification.

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Question 43

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Lengthwise, long bone growth during infancy and youth is exclusively through ________.

The process of bones increasing in width is known as ________.

How can a tooth be moved in a bony socket during orthodontic treatment?

What is found in a Haversian canal?

Match the following: A) Canaliculi B) Osteoblasts C) Osteoclasts D) Lamellae E) Endosteum -Cells that can dissolve the bony matrix.

Match the following: A) Canaliculi B) Osteoblasts C) Osteoclasts D) Lamellae E) Endosteum -Layers of bone matrix.

Mrs. Brown was outside on her patio cleaning windows when she fell off her step ladder and fractured her right hip. She had emergency surgery with an open reduction and internal fixation of the right hip. Three days postoperatively, she asks you if she will have trouble going through airport security. What has prompted her concern?

Match the following: A) Osteoporosis B) Paget's disease C) Osteomalacia -Bones are porous and thin but bone composition is normal.

If your elderly patient's blood calcium level is normal, does that mean the patient does not have osteoporosis? Explain.

Sixty-five percent of the mass of bone is a compound called hydroxyapatite.

Match the following: A) Coxal bone B) Vertebrae C) Femur D) Occipital bone -Ischial spine

Osteogenesis is the process of ________.

Match the following: A) Appositional growth B) Epiphyseal plate C) Epiphyseal line D) Diaphysis E) Chondrocytes -The appearance of this structure signals the end of bone growth.

Match the following: A) Canaliculi B) Osteoblasts C) Osteoclasts D) Lamellae E) Endosteum -Cells that can build bony matrix.

Figure 6.1 Using Figure 6.1, match the following bone types with the numbered structure: -Bone 2.

Which structure allows the diaphysis of the bone to increase in length until early childhood?

Match the following: A) Greenstick B) Spiral C) Comminuted -An incomplete fracture or cracking of the bone without actual separation of the parts. Common in children.

A fracture in the shaft of a bone would be a break in the ________.