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a&p1 Cupero > Exam 2 > Flashcards

Exam 2 Flashcards

1
Q

Synarthrosis

A

Does not allow any movement between articulating bones

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2
Q

Amphiarthrosis

A

Allows small amount of movement between bones

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3
Q

Diarthrosis

A

Freely moveable through articulating bones

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4
Q

If inorganic matrix is destroyed, bone will become

A

Flexible & unable to resist compression

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5
Q

The function of yellow bone marrow is

A

Triglyceride storage

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6
Q

Osteon

A

Structural units of mature, compact bone

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7
Q

Primary ossification centers develop

A

In diaphysis

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8
Q

Ossification

A

Bone formation

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9
Q

Infants bone marrow is

A

Mostly red bone marrow

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10
Q

What allows oxygen, nutrients, & small substances to and from osteocytes trapped within lacunae

A

Caniculi

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11
Q

Endochondrial Ossification steps

A
  1. Perichondrium is invaded by blood vessels
  2. Osteoblasts build bone collar on external surface of bone
  3. Chondrocytes die
  4. In primary ossification center, osteoblasts replace calcified cartilage with early spongy bone
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12
Q

Bone is an important storage reservoir for

A

Calcium, phosphate, & lipids

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13
Q

Osteoblast

A

Bone decomposition

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14
Q

Bones perform

A

Fat storage, blood cell formation, & protection

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15
Q

What is not formed by the intramembranous ossification

A

Femur

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16
Q

Osteoclasts secrete matrix to produce

A

New bone tissue

17
Q

Hydroxyapatite is NOT ASSOCIATED with

A

Organic matrix

18
Q

What is the innermost surface lining of bones

A

Endosteum

19
Q

Intramembranous ossification

A

Osteoblasts develop in primary ossification center
Osteoblasts lay down trabeculae of early spongy bone
Osteoblasts lay down early compact bone

20
Q

Bone remodeling does not only occur

A

On the surface

21
Q

PTH increases the activity of

A

Osteoclasts

22
Q

When blood calcium levels rise above normal

A

Osteoclast is inhibited by calcitonin

23
Q

Calcitonin is opposite of

A

PTH

24
Q

Bone thickness growth is

A

Appositional growth

25
Q

What does not regulate blood calcium levels in response to PTH

A

Liver

26
Q

Bony callus lasts

A

3-4 months

27
Q

For runners, bone decomp exceeds

A

Bone resorption

28
Q

Fracture healing process:

A

Hematoma forms, soft, hard, remodeling

29
Q

Large hole in the coxal bone

A

Obturator foramen

30
Q

Ulna is ______ to the radius

A

Medial

31
Q

Ilium articulates with

A

Sacrum

32
Q

Distal end of fibula articulates with

A

Talus

33
Q

What pelvis is narrow, heart shaped

A

Male pelvis

34
Q

What tarsal does the leg articulate with

A

Talus

35
Q

The line on a femur is

A

Linea aspera

a&p1 Cupero (6 decks)

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