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SKELETAL SYSTEM > SKELETAL SYSTEM > Flashcards

SKELETAL SYSTEM Flashcards

1
Q

Type of skeleton which protects the brain, spinal cord, and the vital organs housed within the thorax.

A

Axial Skeleton

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2
Q

Top of the skull which is often removed to view the interior of the skull

A

Clavaria

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3
Q

Forms the roof of both the orbit of the eye and nasal cavity

A

Frontal Bone

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4
Q

Forms nearly half of the superior portion of the skull.

A

Parietal Bone

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5
Q

Type of bone that is connected to the skull by the squamous suture, and is subdivided into three regions (squamous, tympanic, and petrous)

A

Temporal Bone

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6
Q

Number of bones in the axial skeleton

A

80 bones

Skull - 28
Thorax - 25
Hyoid - 1
Vertebral Column - 26

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7
Q

Number of bones in the appendicular skeleton

A

126 bones

Pectoral girdle - 4
Pelvic girdle - 2
Extremities - 120

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8
Q

A freely movable joint with the rest of the skull

A

Mandible

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9
Q

Posterior portion and floor of cranium

A

Occipital Bone

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10
Q

Forms part of cranium floor, lateral posterior portions of eye orbits and houses the sella turcica.

A

Sphenoid bone

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11
Q

Anterior portion of cranium, including medial surface of eye orbit and roof of nasal cavity

A

Ethmoid bone

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12
Q

Form upper jaw, anterior portion of hard palate, part of lateral walls of nasal cavity, floors of eye orbits

A

Maxilla

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13
Q

Form posterior portion of hard palate, lateral wall of nasal cavity

A

Palatine bones

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14
Q

These are cheek bones, also forming floor and lateral wall of each eye orbit

A

Zygomatic bones

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15
Q

The smallest of the skull bones and houses the depression through which the nasolacrimal duct enters the nasolacrimal canal.

A

Lacrimal bones

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16
Q

Forms the bridge of the nose

A

Nasal bones

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17
Q

In midline of nasal cavity and forms nasal septum with the ethmoid bone

A

Vomer bone

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18
Q

Attached to lateral walls of nasal cavity

A

Inferior nasal conchae

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19
Q

Part of your lower jawbone, and the only movable bone in the skull

A

Mandible

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20
Q

In an infant, the space where 2 sutures join forms a membrane-covered “soft spot” is called a _______.

A

Fontanelle

FACT: The fontanellesallow for growth of the brain and skullduring an infant’s first year. Often closes between 7 to 19 months.

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21
Q

Hephep

A

Hooray! You’re doing great so far :)

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22
Q

The largest part of the temporal bone which is flat and plate-like, and joins the zygomatic bone to form the zygomatic arch (region of temporal bones)

A

Squamous part

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23
Q

Forms the anterior wall, floor, and part of
the posterior wall of the external
acoustic meatus (region of temporal bones)

A

Tympanic part

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24
Q

Extends inward toward the center of the skull, contains the middle and inner ears (region of temporal bones)

A

Petrous part

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25
Q

Fuses the frontal bone and the parietal bone.

A

Coronal suture

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26
Q

Fuses the left and right sides of the parietal bone

A

Sagittal suture

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27
Q

Fuses the occipital bone to the parietal.

A

Lambdoid suture

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28
Q

Fuses the temporal bone to the parietal bone.

A

Squamous suture

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29
Q

Midpoint of the coronal and squamous
suture.

A

Pterion

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30
Q

Midpoint of the lambdoid and sagittal suture.

A

Lambda

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31
Q

Excess tears are collected in the medial angle of the eyes by small ducts called

A

Lacrimal canaliculi

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32
Q

Provides an attachment point for the tongue muscles and neck muscles that elevates the larynx, and does not articulate with any other bones.

A

Hyoid bone

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33
Q

They are the large cavities that open to the nasal cavity

A

Paranasal sinuses

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34
Q

The main regions of the vertebral column

A

Cervical, Thoracic, Lumbar, Sacral, and Coccygeal Regions

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35
Q

The human vertebrae are classified as which type of bone?

A

Irregular bone

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36
Q

Which bone is the longest and strongest bone in the human body?

A

Femur

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37
Q

The ribs, sternum and scapulae are all what type of bone?

A

Flat bones

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38
Q

How many bones make up the human spine?

A

33 bones

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39
Q

Which category of bone is among the most numerous in the skeleton?

A

Long bones

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40
Q

The bones of the vertebral column are classified as which type of bone?

A

Irregular bone

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41
Q

Which vertebral regions feature primary (kyphotic) curves?

A

The thoracic and sacral curvatures

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42
Q

Feature of the vertebrae which is a solid bony disk and supports the body’s weight

A

Vertebral body

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43
Q

the thin plate; posterior portion of the vertebral.

A

Lamina

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44
Q

The large hole in the vertebral disk and acts as an opening for the spinal cord
to pass.

A

Vertebral foramen

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45
Q

This is where the spinal cord passes
through.

A

Vertebral canal

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46
Q

This is where the spinal nerves exit the
spinal cord.

A

Intervertebral foramina

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47
Q

Helps in articulation of the vertebrae.

A

Superior and inferior articular process

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48
Q

The region of overlap and articulation
between the superior and inferior
articular processes.

A

Articular facet

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49
Q

It does not have a vertebral body or a
spinous process

A

Atlas (C1)

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50
Q

Has a highly modified superior process,
called dens.

A

Axis (C2)

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51
Q

Have the longest spinous and transverse process that project inferiorly.

A

Thoracic vertebrae

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52
Q

Supports the majority of the body’s weight, and have massive heavy bodies

A

Lumbar vertebrae

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53
Q

Located between hip bones, part of the pelvic girdle

A

Sacrum

54
Q

Where the vertebral canal ends;
common injection site for anesthesia.

A

Sacral hiatus

55
Q

A bulge created by the 1st sacral vertebra. Clinically used as a landmark for separation of the abdominal cavity and pelvic cavity.

A

Sacral Promontory

56
Q

The terminal portion of the vertebral column. It can be formed from three to five semi-fused vertebrae.

A

Coccyx

57
Q

Commonly called the rib cage. Forms a semi-rigid chamber that can increase and
decrease in volume during respiration.

A

Thoracic cage

58
Q

Ribs that attaches directly through costal
cartilage to the sternum.

A

True ribs

59
Q

Ribs that are not directly attached to the sternum.

A

False ribs

60
Q

Type of skeleton that supports our weight in an upright position.

A

Appendicular skeleton

61
Q

A flat, triangular bone that can easily be seen and felt, also known as the shoulder blade.

A

Scapula

62
Q

Part of the scapula that articulates with the head of the humerus.

A

Glenoid cavity

63
Q

Articulates with the scapula and sternum. Also known as the collarbone

A

Clavicle

64
Q

Part of the humerus that is named because it is a common fracture site.

A

Surgical neck

65
Q

Inserts into the olecranon fossa of the humerus when the elbow is straightened.

A

Olecranon process

66
Q

The portion of the ulna that articulates with the humerus; C-shaped.

A

Trochlear notch

67
Q

Inserts into the fossa of the humerus when the elbow is bent.

A

Coronoid process

68
Q

Part of the ulna that is the site of attachment for the ligaments of the wrist

A

Styloid process

69
Q

The portion of the radius that articulates with the humerus

A

Radial head

70
Q

Site of attachment for the biceps brachii
muscle of the arm.

A

Radial tuberosity

71
Q

Number of carpal bones

A

8 bones

72
Q

The hip bones join each other anteriorly and connect with the sacrum posteriorly forming a complete circle.

A

Pelvic girdle

73
Q

Serves as the place of attachment of the lower limbs, supports body weight, and protects internal organs.

A

Pelvic

74
Q

opening is through the pelvic inlet.

A

True pelvis

75
Q

inferior opening is through the pelvic outlet.

A

False pelvis

76
Q

Largest of the three hip bones.

A

Illium

77
Q

It is where the sciatic nerve passes through.

A

Greater sciatic notch

78
Q

located at the large depression on
the medial side of the ilium.

A

Illiac fossa

79
Q

Forms the anterior portion of the pelvic girdle.

A

Pubis

80
Q

Where the lower limb articulates with the pelvic girdle.

A

Acetabulum

81
Q

Sesamoid bone located within the tendon
of the quadriceps femoris. Also known as the kneecap

A

Patella

82
Q

point of attachment of
the quadriceps femoris muscle group.

A

Tibial tuberosity

83
Q

Does not articulate with the femur but
the head of the proximal end of the
tibia.

A

Fibula

84
Q

Great toe : __________

A

Hallux

85
Q

Arch from the heel to the ball of the foot

A

Two longitudinal arches

86
Q

Arch that extends across the foot

A

Transverse arch

87
Q

Also known as articulations

A

Joints

FACT: commonly named according to the bones or portions of bones that join together.

88
Q

Two bones united by fibrous connective tissue. Have no joint cavity.

A

Fibrous joints

89
Q

Joint in the skull

A

Sutures

90
Q

joints in which the bones are
separated by some distance
and held together by ligaments.

A

Syndesmoses

91
Q

Consist of pegsfitted into
sockets and held in place by
ligaments.

A

Gomphoses

92
Q

Hold two bones together by a pad of cartilage.

A

Cartilaginous joints

93
Q

A cartilaginous joint that contain hyaline cartilage

A

Synchondroses

94
Q

A cartilaginous joint that contain fibrocartilage

A

Symphyses

95
Q

Joint that allows movement between articulating bones, and contains synovial fluid

A

Synovial joints

FACT: Most of the joints in the appendicular skeleton are
synovial joints.

96
Q

articular surfaces of bones within
synovial joints.

A

Articular cartilage

97
Q

Synovial joint that only partially spans

A

Meniscus

98
Q

Lubricating film (Polysaccharide, hyaluronic acid, provides much slippery consistency and lubricating qualities)

A

Synovial Fluid

99
Q

Provides cushion between structures that
would otherwise rub against each other

A

Bursa

100
Q

Gliding joint : _________

A

Plane

101
Q

Consists of two saddle-shaped
articulating surfaces oriented at right
angles to each other. Movement is biaxial

A

Saddle

102
Q

A convex cylinder in one bone is applied
to a corresponding concavity in the
other bone. Movement is Uniaxial

A

Hinge

103
Q

Restricts movement to rotation around
a single axis. Movement is uniaxial

A

Pivot

104
Q

Consists of a head at the of one bone
and a socket adjacent bone into which
a portion of the ball fits. Movement is multiaxial

A

Ball-and-socket

105
Q

modified ball-and-socket

A

Ellipsoid

106
Q

A bending movement that decreases
the angle of the joint, bringing the
bones together.

A

Flexion

107
Q

movement of the foot toward the plantar surface; standing on
the toes.

A

Plantar flexion

108
Q

movement of the foot towards the shin; walking on heels.

A

Dorsiflexion

109
Q

Straightening movements that increase
the angle of the joint.

A

Extension

110
Q

Extension of a joint beyond 180 degrees.

A

Hyperextension

111
Q

movement away from the median or
midsagittal plane.

A

Abduction

112
Q

movement toward the median.

A

Adduction

113
Q

rotation of the forearm; palm faces
down.

A

Pronation

114
Q

rotation of the arm; palm faces up.

A

Supination

115
Q

turning the foot so that the plantar
surface (bottom of the fool) faces laterally

A

Eversion

116
Q

turning the foot so that it faces medially.

A

Inversion

117
Q

the turning of a structure around its long axis.

A

Rotation

118
Q

Freely moveable joints.

A

Circumduction

119
Q

Movement in which a structure, such as the mandible, glides anteriorly.

A

Protraction

120
Q

Glides posteriorly

A

Retraction

121
Q

Movement of a structure in a superior direction.

A

Elevation

122
Q

Moves the structure inferiorly

A

Depression

123
Q

Movement of a structure to one side

A

Excursion

124
Q

Movement unique to the thumb and little finger

A

Opposition

125
Q

Returns the digits to the anatomical position.

A

Reposition

126
Q

The foot bones are part of what skeleton

A

Appendicular

127
Q

The ulnar notch is found in the

A

Radius

127
Q

Chicken

A

Nuggets!

128
Q

The _______ is the inferior portion of the coccyx bone. It allows for the attachment of the tendon of the external anal sphincter.

A

Apex of Coccyx

129
Q

The sacrum begins as five separate vertebrae, but they later fuse together to form one sacrum bone.

A

True

130
Q
A

SKELETAL SYSTEM (1 decks)

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