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Spinal Exam 1 Questions > 7/16 Questions Exam 1 > Flashcards

7/16 Questions Exam 1 Flashcards

1
Q

What is the function of each type of bone cell?

A

Osteoblast form bone
Osteocytes maintain bone
Osteoclast remodel bone

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2
Q

What are the bone cells embedded in?

A

Amorphous matrix consisting of ground substance, protein fibers and various minerals

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3
Q

What is the primary constituent of the ground substance?

A

glycosaminoglycans

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4
Q

What types of glycosaminoglycans predominate in bone?

A

Chondroitin Sulfate
Keratin Sulfate
Hyaluronic Acid

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5
Q

What is the principal type of protein fiber in bone?

A

Collagen type 1

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6
Q

What is the most frequently described deposit in bone?

A

Hydroxyapatite

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7
Q

Bone is also the repository for what additional ions?

A 
Sodium
Magnesium
Fluoride
Lead
Strontium
Radium
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8
Q

What is Wolff’s law as it pertains to bone?

A

Living tissue will respond to stressors; bone is formed or absorbed in response to stress

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9
Q

What are the three responses of bone that allow it to be described as living?

A

It has the ability to heal
To remodel under stressors
And to age

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10
Q

What is bone the embryological derivative of?

A

Mesenchyme or Cartilage

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11
Q

What is the name given to the pattern of ossification in mesenchyme?

A

Intramembranous ossification

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12
Q

What is the timing for the appearance of intramembranous ossification?

A

From the second to third month in utero

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13
Q

What is the name given to the pattern of ossification in cartilage?

A

Endochondral ossification

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14
Q

What is the timing for the appearance of ossification in cartilage?

A

From the second to fifth month in utero

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15
Q

What part of the skull is derived from endochondral ossification?

A

Chondrocranium

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16
Q

Which skull bones are ossified by both endochondral and intramembranous ossification?

A

Mandible
Sphenoid
Temporal
Occipital

17
Q

Which bone of the appendicular skeleton is formed by both endochondral and intramembranous ossification?

A

Clavicle

18
Q

What are the names given to the centers of ossification based on time of appearance?

A

Primary centers of ossification appear before birth

Secondary centers of ossification appear after birth

19
Q

What is the name given to the bone below an articulating surface?

A

Subchondral bone

20
Q

What is the name of the outer fibro-cellular covering of bone?

A

Periosteum

21
Q

What is the name given to the fibro-cellular lining of bone?

A

Endosteum

22
Q

What are the four basic tissues of the human body?

A

Epithelial
Muscle
Neural
Connective

Spinal Exam 1 Questions (32 decks)

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