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Anatomy and Physiology > Chapter 7 > Flashcards

Chapter 7 Flashcards

1
Q

The axial skeleton is

A

80 bones divided into three sections

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2
Q

Sections of the axial skeleton

A

The skull
The vertebral column
The thoracic cage

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3
Q

What is the most complex bony structure?

A

The skull

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4
Q

Function of the cranium

A

Protects the brain

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5
Q

Cranial bones

A

Are thin and strong

Two parietal
Two temporal
Frontal
Occipital
Sphenoid
Ethmoid
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6
Q

Parietal bones form

A

Most of the superior and lateral aspects of the skull

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7
Q

Sutures of the parietal bones

A

Coronal suture
Sagittal suture
Lambdoid suture
Squamosal suture

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8
Q

The coronal suture is

A

The articulation between parietal bones and frontal bone anteriorly

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9
Q

The sagittal suture is

A

Where right and left parietal bones meet superiorly

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10
Q

The lambdoid suture is

A

Where parietal bones meet the occipital bone posteriorly

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11
Q

The squamosal suture is

A

Where parietal and temporal bones meet

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12
Q

The temporal bones form

A

The inferolateral aspects of the skull and parts of the cranial floor

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13
Q

Four major regions of the temporal bones

A

Squamous
Tympanic
Mastoid
Petrous

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14
Q

Frontal bone forms

Articulates

A

The anterior portion of the cranium

Posteriorly with the parietal bones via the coronal suture

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15
Q

Occiptal bone forms

A

Most of the skull’s posterior wall and base

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16
Q

Sphenoid bone forms

Spans

A

The central wedge that articulates with all other cranial bones
The width of the middle cranial fossa

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17
Q

Ethmoid bone lies

A

Between the phenoid and nasal bones

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18
Q

What is the most deep of the skull bones?

A

The ethmoid

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19
Q

Wormian bones are

A

Tiny irregularly shaped bones that appear within sutures

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20
Q

How many facial bones are there?

A

Fourteen

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21
Q

Which facial bones are unpaired?

A

The mandible and vomer

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22
Q

Which facial bones are paired?

A 
Maxillae
Zygomatics
Nasals
Lacrimals
Palatines
Inferior
Conchae
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23
Q

The mandible is

A

The largest and strongest bone of the face

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24
Q

The maxillary bones articulate with

A

All facial bones except the mandible

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25
Q

Zygomatic bones are

A

The cheekbones

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26
Q

Orbits are

A

Formed by parts of seven bones

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27
Q

Bones of the orbits

A 
Frontal
Sphenoid
Zygomatic
Maxilla
Palatine
Lacrimal
Ethmoid
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28
Q

The nasal cavity is

A

Constructed of bone and hyaline cartilage

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29
Q

The hyoid is the

A

Attachment point for neck muscles that raise and lower the larynx during swallowing and speech

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30
Q

Which bone does not articulate with any other bone

A

The hyoid

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31
Q

The vertebral column is

A

Formed from 26 bones

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32
Q

What kind of bones make up the vertebral column?

A

Irregular bones

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33
Q

The bones of the vertebral column are

A 
Cervical vertebrae 
Thoracic vertebrae
Lumbar vertebrae
Sacrum
Coccyx
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34
Q

Cervical vertebrae are the

A

7 bones of the neck

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35
Q

Thoracic vertebrae are the

A

12 bones of the torso

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36
Q

Lumbar vertebrae are the

A

5 bones of the lower back

37
Q

The sacrum is

A

5 bones fused together

38
Q

The coccyx is

A

4 bones fused together

39
Q

The tail bone is

A

The coccyx

40
Q

Intervertebral discs are composed of

A

Nucleus pulposus

Annulus fibrosus

41
Q

The nucleus pulposus gives

A

Intervertebral discs elasticity and compressibility

42
Q

The annulus fibrosus surrounds

A

The nucelus pulposus

43
Q

C1 is

A

The atlas

44
Q

C2 is

A

The axis

45
Q

The __________ vertebrae articulate with the ______

A

Thoracic; ribs

46
Q

Lumbar vertebrae function

A

Weight-bearing

47
Q

The sternum is the result of

A

The fusion of the superior manubrium, the body, and the inferior xiphoid process

48
Q

How many pairs of ribs are there?

A

12

49
Q

The superior 7 pair of ribs attach

A

Directly to the sternum

50
Q

Ribs 8-10 attach

A

Indirectly to the sternum

51
Q

Ribs 11-12 have no

A

Anterior attachment

52
Q

Which ribs are true?

A

The first 7

53
Q

Which ribs are false?

A

Ribs 8-10

54
Q

Which ribs are floating?

A

Ribs 11-12

55
Q

The appendicular skeleton is made up of

A

The bones of the limbs and their girdles

56
Q

The upper limb consists of

A

The arm, forearm, and hand

57
Q

The brachium is

A

The arm

58
Q

The antebrachium is

A

The forearm

59
Q

The manus is

A

The hand

60
Q

How many bone form each upper limb?

A

37

61
Q

What bone(s) make up the arm?

A

The humerus

62
Q

What bone(s) make up the forearm?

A

The radius and ulna

63
Q

The interosseous membrane connects

A

The radius and ulna

The tibia and fibula

64
Q

Which bone is longer, the radius or ulna?

A

The ulna

65
Q

The proximal end of the ulna is _______ and the distal end is ________

A

Thin; wider

66
Q

The hand contains

A

Wrist bones (carpals), bones of the palm (metacarpals), and bones of the fingers (phalanges)

67
Q

The carpus is

A

The wrist

68
Q

How many bones make up the carpus?

A

8

69
Q

Straight Line To Picky Here Comes The Thumb

A 
Scaphoid
Lunate
Triquetrum
Pisiform
Hamate
Capitate
Trapezoid
Trapezium
70
Q

How many bones make up the metacarpus?

A

5

71
Q

How many phalanges are on each hand?

A

14

72
Q

The pollex is

A

The thumb

73
Q

Which finger doesn’t have three phalanges?

A

The thumb

74
Q

Each finger consists of

A

Distal, middle, and proximal phalanges

75
Q

The coxal bone is made up of

A

The illium
The ischium
The pubis

76
Q

The lower limb is divided into

A

The thigh, leg, and foot

77
Q

What carries the weight of the erect body?

A

The lower limb

78
Q

What bone(s) make up the thigh?

A

The femur

79
Q

What bone is the largest and strongest in the entire body?

A

The femur

80
Q

What bone(s) make up the leg?

A

The tibia and fibula

81
Q

What does the tibia do?

A

Receives the weight of the body from the femur and transmits it to the foot

82
Q

The bones of the foot are

A

The tarsus, metatarsus, and phalanges

83
Q

The tarsus are

A

The 7 bones that form the posterior half of the foot

84
Q

What are the tarsal bones?

A 
Talus
Calcaneus
Cuboid
Navicular
Medial
Intermediate
Lateral cuneiforms
85
Q

How many metartasal bones are there?

A

5

86
Q

The hallux is

A

The big toe

87
Q

How many phalanges make up each foot?

A

14

88
Q

Which toe doesn’t have three phalanges?

A

The hallux

Anatomy and Physiology (13 decks)

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