Chapter 7: Axial Skeleton Flashcards

1
Q

1) What bones comprise the appendicular skeleton?

A

1) consists of the bones of the appendages
- upper and lower limbs
- the bones that hold the limbs to the trunk of the body.

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2
Q

2) Which of the following bones would not be part of the appendicular skeleton?

A

2) Axial bones: skull vertebral column and thoracic cage

Appendicular bones:

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3
Q

3) The appendicular skeleton is only those bones that would be part of the arms or legs; True (A) or False (B)

A

3) False

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4
Q

5) The maxilla, zygomatic, nasal, lacrimal and vomer would all be considered bones of the;

A

5) Face.

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5
Q

6) The ribs and sternum together form the;

A

6) Thoracic cage.

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6
Q

7) What bones surround and enclose the brain?

A

7) Cranial bones

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7
Q

8) What bones form the bones of the face?

A

8) Facial bones, maxilla zygomatic, nasal, lacrimal, and vomer.

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8
Q

9) Which of the following is not one of the functions of the facial bones;

A

9) Attaches muscles and used for expressions.

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9
Q

10) What is a slender, curved bone in the throat region that does not directly articulate with any other bones?

A

10) Hyoid Bone.

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10
Q

11) Where would you find the bones of the axial skeleton?

A

11) Along the central axis of the body

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11
Q

12) The lower jaw is known as the;

A

12) Mandible.

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12
Q

13) What spinal deformation is due to an exaggerated lumbar curvature?

A

13) Lordosis.

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13
Q

14) Why would there be more individual bones in the skeleton of a very young child?

A

14) Because as you age bones fuse together.

Fusion hasn’t happened.

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14
Q

15) The prominent chin of the mandible is called the;

A

15) Mental protuberance.

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15
Q

16) Which of the following is not one of the functions of the bones of the skeleton;

A

16) The bones of the skeleton form an internal framework to support soft tissues, protect vital organs, bear the body’s weight, and help us move.*

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16
Q

17) The end of the chin is a region of the mandible called the; _____________area (from lab)

A

17) Mental.

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17
Q

18) In your work in lab so far, where would you find bones that do not have specific names?

A

18) Sutural Wormian bones.

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18
Q

19) The last two pairs of ribs (11 and 12) are called;

A

19) Floating ribs/ False ribs.

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19
Q

20) Which of the cavities of the brain is the largest?

A

20) Cranial.

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20
Q

21) What are the functions of the cranium?

A

21) Surrounds & encloses the brain, supports and protects.

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21
Q

22) The cranium completely surrounds and encloses the brain; True (A) or False (B)

A

22) True.

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22
Q

23) Which of the following is not a bone found in the axial skeleton:

A

23) Skull, vertebral column, thoracic cage, sacrum and coccyx.

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23
Q

24) The orbits are more commonly called the;

A

24) Eye socket.

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24
Q

25) The orbits of the skull are also considered to be cavities of the skull; True (A) or False (B)

A

25) True.

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25
Q

26) What spinal deformation is commonly called “swayback”?

A

26) Lordosis.

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26
Q

27) What are the fibrous membranes between the cranial bones of newborns?

A

27) Fontanels.

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27
Q

28) The mouth is more scientifically known as the;

A

28) Oral cavity.

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28
Q

29) As is held by popular myth, men have one fewer pairs of ribs than do women; True (A) or False (B)

A

29) False.

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29
Q

31) The nasal cavity and paranasal sinuses are the same structure; True (A) or False (B)

A

31) False.

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30
Q

32) What type of tissue holds cranial bones together in a suture?

A

32) *???

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31
Q

33) A tubular passageway through a thick bone is known as a;

A

33) Canal: meatus.

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32
Q

34) Which of the following is not a cranial bone;

A

34) Parietal, frontal, sphenoid, temporal, occipital, ethmoid.

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33
Q

35) What are the functions of sutures in newborn babies?

A

35) Allows cranium to grow & expand- and at birth it allows the flexibility to squeeze through the birth canal.

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34
Q

36) When someone says that they know someone who has broken their back (or spine), what they really meant to say was that they fractured one of the bones of their;

A

36) Vertebral column.

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35
Q

37) A long, crack-like hole in a bone is known as a;

A

37) Fissures.

36
Q

38) Typically, there are how many bones in an adult skeleton?

A

38) 200

37
Q

39) What is the main function of the hyoid bone?

A

39) Serves as an attachment site for tongue & larynx muscle & ligaments.

38
Q

40) What do fontanels eventually turn into?

A

40) Junctures between sutures.

39
Q

41) What is the term for a passageway for blood vessels and nerves through a thin layer of bone?

A

41) Foreman.

40
Q

42) There are always the same number of bones from one individual to another; True (A) or False (B)

A

42) False.

41
Q

43) The joints between cranial bones (in adults) are known as;

A

43) Sutures.

42
Q

44) The thoracic cage bones are vital in the process of breathing; True (A) or False (B)

A

44) True.

43
Q

45) At what age (approximately) do fontanels close?

A

45) 15 months.

44
Q

46) What type of joint makes up a suture?

A

46) Fibrous/Immoveable joints.

45
Q

47) What is a condition characterized by an exaggerated thoracic curvature that is directed posteriorly?

A

47) Hunchback - kyphosis.

46
Q

48) Sutures form the boundaries between what bones?

A

48) Cranial bones.

47
Q

49) What type of bones would be found in a suture (from lab)?

A

49) Sutural or wormian.

48
Q

50) In adults, the sutures are very flexible and allow for a large amount of independent movement of the cranial bones: True (A) or False (B)

A

50) False.

49
Q

52) What happens to sutures in older adults?

A

52) Sutures fuse and are obliterated: visible in 20 years old but not in 80 years old.

50
Q

53) A generic term for most holes through bones is;

A

53) Foramen -singular, foramena - plural.

51
Q

54) An example of a fissure would be found in the;

A

54) Eye socket or orbit.

52
Q

55) What is the main function of sinuses?

A

55) 1) Has mucus lining that helps to humidify and warm inhaled air. 2) Causes bones to be lighter.
3) Provides resonance to the voice.

53
Q

56) What causes the number of bones in an adult to decrease from that of a child?

A

56) They fuse.

54
Q

57) What effect does the presence of sinuses have on the weight of the skull bones that posses them?

A

57) Causes them to be lighter.

55
Q

58) What is the generic term for the tiny ear bones of the inner ear?

A

58) Auditory ossicles - malleus, incus, stapes.

56
Q

59) Which of the following is not one of the ossicles?

A

59) Tiny inner ear bones.

57
Q

60) What is the scientific term for the soft spots on a babies head?

A

60) Fontanels.

58
Q

61) What are air-filled chambers in the skull that have a mucus lining?

A

61) Sinuses.

59
Q

62) In what regions of the body would you observe protrusions due to lordosis?

A

62) Posterior cervical axis: the upper back.

60
Q

63) What is the function of fontanels?

A

63) Flexibility so to ease baby’s head through birth canal.

61
Q

64) Ribs 1 through 7 are called:

A

64) True ribs.

62
Q

65) Sutures are visible in all skulls, of all ages; they never disappear; True (A) or False (B)

A

65) False.

63
Q

66) What shape does a baby’s head often take on at birth and why?

A

66) Cone : temporary deformation.

64
Q

67) The cone shape of a baby’s head at birth is a permanent deformity; True (A) or False (B)

A

67) False.

65
Q

68) In what region and in what bone would you find the ossicles?

A

68) Petrious region: temporal bone.

66
Q

69) How many bones comprise the vertebral column (normally)?

A

69) 26.

67
Q

70) If a rib has no connection to the sternum it is called;

A

70) Floating ribs.

68
Q

71) Besides the individual vertebrae, what other bones make up the vertebral column?

A

71) Sacrum and coccyx.

69
Q

72) The sacrum is made up of several fused vertebral elements: True (A) or False (B)

A

72) True.

70
Q

73) Which of the following is not a function of the vertebral column

A

73) 1) Provide support for the body. 2) Supports the weight of the head. 3) Help maintain upright body position. 4) Help to transfer axial skeletal weight to the appendicular skeleton of the lower limbs. 5) Housing and protecting the delicate spinal cord and providing a passageway for spinal nerves connecting to the spinal chord.
- rib facet = thoracic vertebrae

71
Q

74) Ribs 8 through 12 are called:

A

74) False ribs.

72
Q

75) The vertebral column transfers weight from the ____________ to the__________

A

75) Axial skeletal weight : appendicular skeleton of the lower limbs.

73
Q

76) Ribs are called false because;

A

76) Their costal cartilage does not attach directly to the sternum.

74
Q

77) How do sinuses effect the sound of your voice?

A

77) Provides resonance.

75
Q

78) How many ribs do both men and women posses?

A

78) 12 pairs.

76
Q

79) What structures does the vertebral column protect?

A

79) Spinal chord.

77
Q

80) What spinal deformation is more commonly called “hunchback”

A

80) Kyphosis.

78
Q

81) What is an abnormal curvature of the spine when viewed from the posterior aspect?

A

81) Scoliosis.

79
Q

82) What is/are the cause(s) of scoliosis?

A

82) During development when both the vertebrae arch and body fail to form or form incompletely on one side of the vertebrae.

80
Q

83) Which type of spinal deformation is the most common?

A

83) Scoliosis.

81
Q

84) What structure is composed of the thoracic vertebrae, ribs, and sternum?

A

84) Rib cage.

82
Q

85) Which of the following is not a component of the thoracic cage?

A

85) Thoracic vertebrae, rib cage, sternum, costal cartilage.

83
Q

86) The thoracic cage protects which vital organs?

A

86) Heart, lungs, esophagus, trachea.

84
Q

87) Besides, protection, what is a major function of the thoracic cage?

A

87) Provides attachment point for many muscles supporting the pectoral girdle, chest, neck, shoulders, back and muscles involved in respiration.

85
Q

88) The vestigial “tail-bone” at the base of the vertebral column is called the

A

88) Coccyx.

86
Q

89) What defines a true rib?

A

89) It’s costal cartilage connects directly to the sternum.