ch 8 anatomy Flashcards

1
Q

Hyaline Cartilage that covers the articular surface

A

articular cartilage

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2
Q

white membrane that covers bone

A

periosteum

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3
Q

cartilage maintenance and repair

A

glucosamine

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4
Q

reduces wear and tear

A

chondroitin sulfate

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5
Q

Bacterial infection of bone and marrow

A

Osteomyelitis

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6
Q

Similar demineralization to rickets but does not have skeletal change, rather they become more susceptible to bone fracture.

A

Osteo Malacia

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7
Q

Loss of minerals due to vitamin D deficiency (bow legs)

A

Rickets

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8
Q

Bone as strong as 1/3 the weight of iron

A

true

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9
Q

enlarge the medullary cavity by eating away at the walls

A

osteoclasts

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10
Q

build new bone at the periosteum

A

osteoblasts

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11
Q

Bones will respond to stress by growing weaker and less dense

A

false

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12
Q

When a bone breaks there’s no chance that it will bleed

A

false

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13
Q

it takes how many months for a bone to heal

A

6-12 weeks

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14
Q

Identify the functions of the bone and describe them

A
  1. Support, without it we couldn’t stand
  2. Protection, protecting organs
  3. Movement, facilitate movement
  4. storing minerals, calcium
  5. Hematopoiesis
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15
Q

Compare and contrast yellow and red marrow

A

Red bone marrow is active in hematopoiesis while yellow is inactive. Infants have more red marrow. yellow marrow is saturated with fat.

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16
Q

How is a bone oriented to handle stress

A

there is a layer of cancellous bone between two layers of compact bone arranged to handle stress (PICTURE)

17
Q

specialized chemical crystals of calcium and phosphate

A

hydroxyapatite

18
Q

Small spaces of fluid that traps bone cells

A

lacunae

19
Q

small multidirectional canals connecting the Haversian canal

A

canaculi

20
Q

canals containing blood and lymph vessels and nerves

A

haversian canals

21
Q

lateral canals through the bone that connect haversian canals

A

Volkan canals