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Anatomy > Skeletal System > Flashcards

Skeletal System Flashcards

0
Q

How many bones are in the axial skeleton?

A

80 bones

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1
Q

How many bones are in the skeletal system?

A

206 named bones

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2
Q

How many bones are in the appendicular skeleton?

A

126 bones

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3
Q

What does the axial skeleton consist of?

A
  • skull
  • hyoid
  • ribs
  • sternum
  • vertebrae
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4
Q

What does the appendicular skeleton consist of?

A
  • upper and lower limbs

- pelvic and pectoral girdles

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5
Q

How many cranial bones are there?

A

8

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6
Q

Name the cranial bones.

A
  • Frontal
  • Parietal (2)
  • Temporal (2)
  • Occipital
  • Sphenoid
  • Ethmoid
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7
Q

What does the Sella Turcica hold?

A

Pituitary gland

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8
Q

Where is the Sella turcica found?

A

The sphenoid bone

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9
Q

Where is the optic foramen found?

A

The sphenoid bone

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10
Q

The ethmoid bone forms parts of which structures?

A
  • cranial floor
  • lateral nasal walls
  • nasal septum
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11
Q

How many facial bones are there?

A

14

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12
Q

Name the facial bones.

A
  • nasal (2)
  • mandible
  • inferior nasal concha (2)
  • maxillae (2)
  • lacrimal (2)
  • zygomatic (2)
  • palatine (2)
  • vomer
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13
Q

The lamboidal suture unites which two bones?

A

Parietal and occipatal bones

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14
Q

The sagittal suture unites which two bones?

A

2 parietal bones

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15
Q

What bones does the coronal suture unite?

A

Frontal and both parietal bones.

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16
Q

What bones does the squamous suture unite?

A

Parietal and temporal bones.

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17
Q

How many vertebrae are there?

A

26

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18
Q

Name the vertebrae regions.

A
  • cervical
  • thoracic
  • lumber
  • saccral
  • coccygeal
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19
Q

How many cervical vertebrae are there?

A

7 cervical vertebrae

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20
Q

How many thoracic vertebrae are there?

A

12 thoracic vertebrae

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21
Q

How many lumber vertebrae are there?

A

5 lumber vertebrae

22
Q

How many saccral vertebrae are there?

A

5 fused vertebrae

23
Q

How many coccygeal vertebrae are there ?

A

4 fused

24
Q

Which is the weight bearing portion of the typical vertebrae ?

A

The body

25
Q

What are the 5 characteristic features of a typical vertebrae?

A
  • body
  • vertebral arch (having pedicles and laminae)
  • vertebral foramen
  • vertebral notches
  • seven processes
    • 2 transverse
    • 1 spinous
    • 4 articular
26
Q

What are the characteristics of the cervical vertebrae?

A
  • transverse processes have foramen for vertebral artery.
  • spinous processes of C2 - C6 are bifid
  • C1 and C2 are different
27
Q

What are the characteristics of thoracic vertebrae T1 - T12 ?

A
  • larger and stronger bodies
  • longer transverse and spinous processes
  • facets on body for head of rib
  • facets on transverse processes for tubercle of rib
28
Q

What are the characteristics of the lumber vertebrae?

A
  • strongest and largest

- short thick transverse and spinous processes

29
Q

At what age are the sacral vertebrae fused by?

A

Age 30

30
Q

At what age are the coccygeal vertebrae fused by?

A

Age 30

31
Q

The first and second ribs attach to which bone in the sternum?

A

The manubrium

32
Q

The sternum is made up of which 3 bones?

A
  • manubrium
  • sternal body
  • xiphoid process
33
Q

At which age is the xiphoid process completely ossified by?

A

Age 40

34
Q

Which ribs are vertebrosternal ribs?

A

Ribs 1 - 7

35
Q

Which ribs are vertebrochondral ribs?

A

Ribs 8 -10

36
Q

Which ribs are floating ribs?

A

Ribs 11 and 12

37
Q

The thorax (cage) is made up of what structures?

A
  • ribs

- costal cartilages

38
Q

How do the thoracic vertebrae articulate with the ribs?

A
  • transverse process articlulates with the tubercle

- vertebral body articulates with the head

39
Q

What structures make up the appendicular skeleton ?

A
  • pectoral girdle
  • pelvic girdle
  • upper limbs
  • lower limbs
40
Q

What bone is the collarbone?

A

Clavicle

41
Q

What humerus is made up of which two regions?

A
  • head

- shaft

42
Q

The distal end of the humerus has 3 characteristic structures, what are they and what is their function?

A
  • capitulum - articulates with head of the radius
  • trochlea - articulates with ulna
  • olecranon fossa - posterior depression for olecranon (process of ulna)
43
Q

How many carpal bones are there in the wrist!

A

8 carpal bones in the wrist.

44
Q

Name the 8 carpal bones of the wrist.

A
  • scaphoid. - trapezium
  • lunate. - trapezoid
  • triquetrum. - capitate
  • pisiform. - hamate
45
Q

What is the name for the thumb?

A

Pollex

46
Q

What bones articulate with the coccyx?

A
  • ischium
  • pubis
  • illium
47
Q

How does a females pelvis differ from a males pelvis?

A
  • wider and shallower
  • larger pelvic inlet and outlet
  • more space in true pelvis
  • pubic arch > 90 degrees
48
Q

What is the name of the thigh bone?

A

Femur

49
Q

What are the names of the bones in the lower leg?

A
  • Tibia

- Fibula

50
Q

Name the bones in the foot

A
  • talus (ankle)
  • calcaneus (heel)
  • cuboid
  • navicular
  • cuniforms (3 - lateral, intermediate, medial)
  • metatarsals
  • phalanges
  • hallux
51
Q

What is the name of the big toe?

A

Hallux

52
Q

What 7 bones make up the eye socket?

A
  • Frontal
  • Zygomatic
  • Maxilla
  • Sphenoid
  • Ethmoid
  • Palatine
  • Lacrimal
53
Q

How does a male’s pelvis differ from a females pelvis?

A
  • Larger and heavier
  • Larger articular surfaces
  • Larger muscle attachments

Anatomy (17 decks)

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