Chapter 5 Flashcards

1
Q

Function of skeletal system

A
  • supports body -protects soft organs -storage of minerals & fats
  • blood cell formation -movement due to attached skeletal muscles
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2
Q

Characteristics of compact vs spongy bone

A

Compact-homogenous Spongy-small needle like pieces of bone & many open spaces

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3
Q

4 Types of bone

A

Long, short, flat, irregular

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4
Q

Long bone

A

-Long vs wide -contain mostly compact bone -femur -humerus

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5
Q

Short bone

A

-Cube shaped -contain mostly spongy bone -carpals -tarsals

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6
Q

Flat bones

A

-Thing and flattened -curved -thin layers of compact bone around a layer of spongy bone -skull -ribs -sternum

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7
Q

Irregular bones

A

-Irregular shape -do not fit into any other category -vertebrae -hip

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8
Q

Long bone anatomy

A

Diaphysis -shaft (compact)
Epiphysis- ends of bone (spongy)
Central (haversian) canal- carries blood vessels & nerves
Lacunae- cavities containing osteocytes arranged in concentric rings

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9
Q

Bone remodeling/healing steps

A

Hematoma formation
Fibrocartilage callus
Bony callus
Bone remodeling

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10
Q

Closed/simple fracture

A

Break does not go through skin

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11
Q

Open/compound fracture

A

Broken bone goes through skin

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12
Q

Comminuted

A

Fragments

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13
Q

Compression

A

Crushed

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14
Q

Depressed

A

Pressed inward

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15
Q

Impacted

A

Ends forced into each other

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16
Q

Spiral

A

Ragged and twisted

17
Q

Greenstick

A

Incomplete

18
Q

Axial skeleton

A

Vertebral column
Skull
Bony thorax

19
Q

Appendicular skeleton

A

Limbs
Pectoral girdle
Pelvic girdle

20
Q

Foramen magnum

A

Occipital bone

21
Q

Lambodial suture

A

Between occipital and parietal bone

22
Q

Coronal suture

A

Between frontal and parietal bones

23
Q

Squamous suture

A

Between parietal and temporal bone

24
Q

Saggital suture

A

From frontal to occipital

25
Q

Vertebral column

A
Cervical 7
Thoracic 12
Lumbar 5
Sacrum 1
Coccyx 1
26
Q

Ribs

A

True 1-7
False 8-12
Floating 11-12

30
Q

Male pelvis

A

Pubic arch <90°
Heart shaped
C-shaped sacrum
Rounded ischial spine

31
Q

Synarthoses

A

Immovable joints

31
Q

Female pelvis

A

Pubic arch >90°
Pelvic opening round
Straight sacrum
Rounded ischial spind

32
Q

Osteoporosis

A

Bones become fragile from loss of tissue
Hormonal changes
Deficiency of calcium of vitamin d

33
Q

Amphisrthroses

A

Slightly movable joints

34
Q

Osteoarthritis

A

Most common arthritis

Normal aging

35
Q

Diarthroses

A

Feely movable joints

36
Q

Rheumatoid arthritis

A

Auto immune disease
Immune system attacks the joints
Bilateral inflammation of certain joints and deformities

39
Q

Bones in Pelvic

A

Ilium
Ischium
Pubic bone

40
Q

Two largest bones in the foot

A

Talus

Calcaneus