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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
Zygomatic bones are
The cheekbones
26
Orbits are
Formed by parts of seven bones
27
Bones of the orbits
``` Frontal Sphenoid Zygomatic Maxilla Palatine Lacrimal Ethmoid ```
28
The nasal cavity is
Constructed of bone and hyaline cartilage
29
The hyoid is the
Attachment point for neck muscles that raise and lower the larynx during swallowing and speech
30
Which bone does not articulate with any other bone
The hyoid
31
The vertebral column is
Formed from 26 bones
32
What kind of bones make up the vertebral column?
Irregular bones
33
The bones of the vertebral column are
``` Cervical vertebrae Thoracic vertebrae Lumbar vertebrae Sacrum Coccyx ```
34
Cervical vertebrae are the
7 bones of the neck
35
Thoracic vertebrae are the
12 bones of the torso
36
Lumbar vertebrae are the
5 bones of the lower back
37
The sacrum is
5 bones fused together
38
The coccyx is
4 bones fused together
39
The tail bone is
The coccyx
40
Intervertebral discs are composed of
Nucleus pulposus | Annulus fibrosus
41
The nucleus pulposus gives
Intervertebral discs elasticity and compressibility
42
The annulus fibrosus surrounds
The nucelus pulposus
43
C1 is
The atlas
44
C2 is
The axis
45
The __________ vertebrae articulate with the ______
Thoracic; ribs
46
Lumbar vertebrae function
Weight-bearing
47
The sternum is the result of
The fusion of the superior manubrium, the body, and the inferior xiphoid process
48
How many pairs of ribs are there?
12
49
The superior 7 pair of ribs attach
Directly to the sternum
50
Ribs 8-10 attach
Indirectly to the sternum
51
Ribs 11-12 have no
Anterior attachment
52
Which ribs are true?
The first 7
53
Which ribs are false?
Ribs 8-10
54
Which ribs are floating?
Ribs 11-12
55
The appendicular skeleton is made up of
The bones of the limbs and their girdles
56
The upper limb consists of
The arm, forearm, and hand
57
The brachium is
The arm
58
The antebrachium is
The forearm
59
The manus is
The hand
60
How many bone form each upper limb?
37
61
What bone(s) make up the arm?
The humerus
62
What bone(s) make up the forearm?
The radius and ulna
63
The interosseous membrane connects
The radius and ulna | The tibia and fibula
64
Which bone is longer, the radius or ulna?
The ulna
65
The proximal end of the ulna is _______ and the distal end is ________
Thin; wider
66
The hand contains
Wrist bones (carpals), bones of the palm (metacarpals), and bones of the fingers (phalanges)
67
The carpus is
The wrist
68
How many bones make up the carpus?
8
69
Straight Line To Picky Here Comes The Thumb
``` Scaphoid Lunate Triquetrum Pisiform Hamate Capitate Trapezoid Trapezium ```
70
How many bones make up the metacarpus?
5
71
How many phalanges are on each hand?
14
72
The pollex is
The thumb
73
Which finger doesn't have three phalanges?
The thumb
74
Each finger consists of
Distal, middle, and proximal phalanges
75
The coxal bone is made up of
The illium The ischium The pubis
76
The lower limb is divided into
The thigh, leg, and foot
77
What carries the weight of the erect body?
The lower limb
78
What bone(s) make up the thigh?
The femur
79
What bone is the largest and strongest in the entire body?
The femur
80
What bone(s) make up the leg?
The tibia and fibula
81
What does the tibia do?
Receives the weight of the body from the femur and transmits it to the foot
82
The bones of the foot are
The tarsus, metatarsus, and phalanges
83
The tarsus are
The 7 bones that form the posterior half of the foot
84
What are the tarsal bones?
``` Talus Calcaneus Cuboid Navicular Medial Intermediate Lateral cuneiforms ```
85
How many metartasal bones are there?
5
86
The hallux is
The big toe
87
How many phalanges make up each foot?
14
88
Which toe doesn't have three phalanges?
The hallux

Anatomy and Physiology (13 decks)

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