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A&P > Chapter 7 > Flashcards

Chapter 7 Flashcards

1
Q

Skeletal Sytem

A

Makes up 20% of body mass

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2
Q

Skull Geography

A

Cranial cavity, internal ear, nasal cavity

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3
Q

What are the 14 facial bones?

A

Mandible, Maxillary bone 2, Zygomatic bone 2, Nasal bones 2, Lacrimal bones 2, Palatine bone 2, Vomer, Inferior nasal conchae 2

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4
Q

Mandible

A

Lower jaw, strongest bone of the face

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5
Q

The orbits are formed by?

A

Seven different parts of seven different bones

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6
Q

Paranasal sinus

A

Frontal sinus, ethmoidal air cells, sphenoidal sinus, maxillary sinus

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7
Q

Components of the vertebral column?

A

Cervical, thoracic, sacrum, coccyx

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8
Q

Scoliosis

A

Abnormal lateral curvature of the spine

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9
Q

Kyphosis

A

Excessive out word curvature of the spine

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10
Q

Lordosis

A

Excessive inward curvature of the spine

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11
Q

Ligaments

A

Provide support to the vertebra

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12
Q

Intervertbral disc

A

Provide cushioning to the spine

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13
Q

Herniated disc (slipped disc)

A

A vertebral disc that is displaced, pressing on to nerves in the back

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14
Q

Structure of vertebra

A

Each vertebra column consist of a body, or centrum, anteriorly and a vertebral arch

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15
Q

What are the seven different cervical vertebra?

A

Identified as C1-C7

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16
Q

Spinous process

A

Is bony projection off the posterior back

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17
Q

Transverse process

A

A lateral process of the vertebra

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18
Q

Transverse foramen

A

An opening on the transverse process of a cervical vertebra

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19
Q

Superior articular facet

A

The articular surface of the inferior articular process of the vertebra

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20
Q

Coccyx

A

A small triangular bone at the base of the spinal column

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21
Q

Sacrum

A

A small triangular bone in the lower back formed from fused vertebra

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22
Q

Angle of rib

A

The abrupt change in curvature of the body of the rib

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23
Q

Head of rib

A

The articulations of the heads of the ribs

24
Q

Neck of rib

A

The flattened portion of a rib between the head and the tuberosity

25
Q

Coastal cartilage

A

Are bars of hyaline cartilage that serve to prolong the ribs forward

26
Q

What attaches upper limbs to body trunk?

A

Pectoral girdle

27
Q

What attaches the lower limbs to body trunk?

A

Pelvic girdle

28
Q

Clavicle

A

Holds Scapula and arms out laterally

29
Q

Scapula

A

Not directly attached to the axial skeleton, Shoulder join poorly enforced

30
Q

Acromion

A

Is bony a process on the scapula (shoulder blade)

31
Q

Glenoid process

A

Is a part of the shoulder

32
Q

Glenoid cavity

A

A shallow depression on the bone into which another bone fits to form a joint

33
Q

Trochlear notch

A

Large depression in the upper extremity of the ulna

34
Q

Radial tuberosity

A

Beneath the neck of the radius

35
Q

Capitulum (humerus)

A

On the distal end of the humerus

36
Q

Deltoid tuberosity (humerus)

A

A rough elevation about the middle of the lateral side of the humerus

37
Q

Head of humerus

A

Ball shaped bone at the top of the humerus

38
Q

Styloid process of (ulna)

A

Pointed palpable projection of from the medial and posterior aspect of the head of the ulna

39
Q

Coronoid process of (ulna)

A

A bracket like projection from the anterior portion of the proximal extremity of the ulna

40
Q

Olecranon process (ulna)

A

The prominent curved proximal extremity of the ulna

41
Q

Greater tubercle of (humerus)

A

Is situated lateral to the head of the humerus

42
Q

Lesser tubercle of (humerus)

A

The anterior of the two tubercles of the neck of the humerus

43
Q

Head of radius

A

The disc shaped bone at the top of the radius

44
Q

Head of the ulna

A

Part of the ulna closest to the shoulder

45
Q

Phalanges

A

Distal, Middle, Proximal

46
Q

Metacarpals

A

Head, Shaft, Base

47
Q

Female pelvis

A

Adapteted for childbearing

48
Q

Male pelvis

A

Tilted less far forward

49
Q

The Lower Limb

A

Carries entire weight of erect body

50
Q

What are the three segments of lower limb

A

Thigh, Leg, Foot

51
Q

Femur

A

Head of femur is very secure
Lacks the mobility of the shoulder
girdle

52
Q

Tarsus

A

Seven tarsal bones form posterior half of foot

53
Q

Metatarsals

A

Five metatarsal bones

54
Q

Phalanges

A

14 bones of toes

55
Q

Arches Of The Foot

A

Maintained by interlocking foot bones, ligaments, and tendons

56
Q

Developmental Aspects: Growth Rates

A

At birth, cranium huge relative to face

57
Q

Developmental Aspects: Old Age

A

Intervertebral discs thin, less hydrated, and less elastic

A&P (9 decks)

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