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z_A&P I: BIO425 > Ch 8: The Skeletal System > Flashcards

Ch 8: The Skeletal System Flashcards

Exam 2 Review

1
Q

The head and thoracic bones make up the ________ skeleton.

A

Axial

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2
Q

The clavicle, scapula, arm, leg and pelvic bones make up the _______ skeleton.

A

appendicular

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3
Q

The axial skeleton contains what bones (general).

A

skull and thoracic bones

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4
Q

The appendicular skeleton consists of what general bones?

A
  • clavicle
  • scapula
  • arm bones
  • leg bones
  • pelvic bones
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5
Q

There are _____ bones in a typical adult skeleton.

A

206

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6
Q

Why are their more bones in children and infants?

A

Many will fuse with age and growth.

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7
Q

The cribriform plate forms…

A

the roof of the nasal cavity (ethmoid bone)

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8
Q

What are the 14 facial bones?

Give names and number of each.

A

(NIMPLZ VM)

Nasal bones x2

Inferior nasal conchae x2

Maxillae x2

Palatine bones x2

Lacrimal x2

Zygomatic x2

Vomer x1

Mandible x1

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9
Q

What part of the mandible joins at the maxilla?

A

Mandibular condyles

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10
Q

What are the three auditory ossicles?

A
  1. Malleus
  2. Incus
  3. Stapes
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11
Q

Damage to what bone is a sign of strangulation?

A

Hyoid

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12
Q

Which bone is not attached to any other?

A

Hyoid

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13
Q

What are fontanels?

A

spaces between unfused bone on a baby’s head

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14
Q

What are the two fontanels found on babies?

A

Anterior and posterior

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15
Q

What is the age range for when the sacrum vertebrae fuse into one bone?

A

20-30 years

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16
Q

Ribs 1-7 are called

A

true ribs

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17
Q

Ribs 8-12 are called…

A

false ribs

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18
Q

What are the numbers of the floating ribs?

A

11 and 12

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19
Q

What does costal cartilage do?

A

Join ribs to sternum

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20
Q

True or False

All ribs connect to the vertevrae

A

TRUE

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21
Q

What is the hallux?

A

the big toe

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22
Q

Immovable joints

A

Sutures

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23
Q

Small holes where nerves pass through

A

foramina

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24
Q

Part of the ethmoid bone and is perforated by foramina to allow passage of olfactory nerves.

A

cribriform plate

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25
Q

What physically supports the skull and trunk?

A

vertebral column

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26
Q

condition that creates problems with the rubbery cushion between two bones.

A

herniated disks

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27
Q

Supports the trunk and the lower limbs.

A

pelvic girdle

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28
Q

Bone feature:

A rounded knob found at joints

29
Q

Bone feature:

Smooth ,flat and slightly concave articular surface.

30
Q

Bone feature:

Prominent end of a bone

31
Q

Bone feature:

A narrow ridge

32
Q

Expanded region superior to a condyle

A

epicondyle

33
Q

Bone feature:

slightly raised elonged ridge

34
Q

Bone feature:

Any boney prominence

35
Q

Bone feature:

A protruding part

A

protuberance

36
Q

Bone feature:

A sharp slender, or narrow process

37
Q

Bone feature:

Massive processes unique to the femur

A

trochanter

38
Q

Bone feature:

Small, rounded, process

39
Q

Bone feature:

Rough, elevated surface

A

tuberosity

40
Q

Bone feature:

Elongaged basin

41
Q

Bone feature:

small pit

42
Q

Bone feature:

Tunnel in a bone

43
Q

Bone feature:

A slit through a bone

44
Q

Bone feature:

A hole through a bone

45
Q

Bone feature:

Air filled space

46
Q

What is the difference between male and female pelvic girdle?

A

The female girdles greater in width and the male pelvic is better for movement.

47
Q

True or False Condyles are found int he axial skeleton only.

48
Q

The mastoid process cannot be palpated on a living person.

49
Q

True or False

Sutures are found in the cranial bones, facial bones and sacral bones.

50
Q

All ribs articulate with the sternum.

51
Q

The pubic symphysis can be palpated as a hard prominence above the genitalia.

52
Q

The ischium is posterior to the pubis and inferior tot he ilium.

53
Q

The average number of bones int he adult skeleton is…

54
Q

All the bones listed below belong to the axial skeleton, except _______, which belongs to the appendicular.

  • Vertibrae
  • Ribs
  • Scapula
  • Sacrum
  • Sternum
55
Q

A rounded knob that articulates with another bone is called a…

56
Q

Any bony prominence is called

57
Q

Why does an adult not have as many bones as a child?

A

because separate bones gradually fuse with age.

58
Q

What is a sesamoid bone?

A

A bone that forms within some tendons in response to stress.

59
Q

A whole through a bone that usually allows passage for nerves and blood vessels is called a…

60
Q

Most of the bones of the skull are connected by immovable joints called

61
Q

The _______ houses the pituitary gland (hypophysis) and is found in the _______.

A

sella turcica; sphenoid bone

62
Q

The manubrium belongs to the

63
Q

Rib 7 is a

64
Q

Costal cartilages connect

A

ribs with the sternum

65
Q

The acromion is a feature of the

66
Q

The arm contains the _______, whereas the forearm contains the _______.

A

humerus, radius and ulna

67
Q

The glenoid cavity of the _______ articulates with the head of the _______.

A

scapula, humerus

68
Q

The acetabulum articulates with the

z_A&P I: BIO425 (17 decks)

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