Skeletal System (3+4) Flashcards

1
Q

What are the main functions of the vertebrae

A
  • posture
  • movement
  • support of the body
  • protection of organs
  • makes blood
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2
Q

How many vertebrae are there in total

A

24

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3
Q

What are the 3 main sections of the vertebrae? How many vertebrae in each?

A
  • cervical: 7, C1-C7
  • thoracic : 12, T1-T12
  • lumbar: 5, L1-L5
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4
Q

What is the space in between the vertebrae called where the nerves come through?

A

Intervertebral foramen

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5
Q

What attaches to the transverse process?

A

Muscles

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6
Q

What is a different name for C1?

A

Atlas

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7
Q

What’s a different name for C2?

A

Axis

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8
Q

What is the joint at the occipital bone and C1 called?

A

Atlanto-occipital joint

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9
Q

What is the joint at C1-C2 called?

A

Atlanto-axial joint

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10
Q

What part of the vertebrae allows for the most movement?

A

Lumbar

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11
Q

What part of the vertebrae is most commonly injured?

A

L4-L5

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12
Q

Describe lordosis

A

An inward curve of the lumbar spine

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13
Q

Describe Kyphosis

A

An outward curve of the thoracic spine

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14
Q

Describe scoliosis

A

A S or C-shaped curve of the spine

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15
Q

Who does scoliosis mostly affect and at what age is it usually diagnosed?

A

Girls, age 10

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16
Q

How many ribs are there in total?

A

24

17
Q

Which ribs are the true ribs and what makes them true?

A

Ribs 1-7 are true bc they attach to the sternum

18
Q

Which ribs are false ribs and what makes them false?

A

Ribs 8-10 are false bc they attach to the cartilage of the ribs above

19
Q

Which ribs are floating ribs and why are they considered floating?

A

Ribs 11-12 are floating bc they don’t attach to the sternum

20
Q

Label the 3 parts of the sternum

A

Manubrium
Main body
Xiphoid process

21
Q

Label the bones that make up the shoulder girdle

A

Proximal humorous, clavicle, scapula

22
Q

What is the joint called that is between the clavicle and the sternum?

A

Sterno-clavicular joint

23
Q

What is the largest bone in the arms

A

Humorous

24
Q

T/F: When the arm is in supination the radius lies parallel to the ulna

A

T

25
Q

T/F: When the arm is in pronation the radius crosses the ulna

A

T

26
Q

There are ______ bones that make up the wrist

A

7

27
Q

There are _____ metacarpal bones that make up the back/palm of the hand

A

5

28
Q

The distal end of the metacarpals make up the ____________

A

Knuckles

29
Q

How many phalanges in each hand?

A

14

30
Q

How many phalanges in each finger?

A

3

31
Q

How many phalanges in the thumb

A

2

32
Q

Diagram of skull to spine

A
Skull
Cervical
Thoracic
Lumbar
Sacrum
Coccyx