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Rad Positioning > Vertebrae > Flashcards

Vertebrae Flashcards

0
Q

Complex succession of many bones

A

Vertebrae

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1
Q

The vertebral column is commonly called

A

Spine / spinal column

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2
Q

The 24 vertebral segments in the upper three regions are termed _______

A

True or movable vertebrae

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3
Q

The pelvic segments in the lower two regions are called _______

A

False / fixed vertebrae

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4
Q

The sacral segments usually fuse into one

A

Sacrum

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5
Q

The coccygeal segments are referred to as ________

A

Coccyx

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6
Q

Functions of the spine:

A 
Protection of spinal cord
Support for the trunk
Support for the skull
Attachment for the ribs
Flexibility of motion
Structural support and balance for posture
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7
Q

The spine must have :

A

Resistance

Elasticity

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8
Q

Increase mass of each vertebra from C1 to the sacrum

A

Resistance

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9
Q

Multiple motion segments

A

Elasticity

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10
Q

Composed of two pedicles , one on each side supporting a lamina

A

Neural arch

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11
Q

Lack of union or malunoon results in

A

Spina bifida

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12
Q

Permits flexion , extension , lateral and rotary motions

A

Vertebral column

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13
Q

Neural Arch is composed of

A

2 pedicles

2 laminae

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14
Q

Neural arch encloses the

A

Vertebral foramen

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15
Q

Neural arch supports 7 process

A

2 superior articular processes
2 inferior articular processes
2 transverse processes
One spinous process

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16
Q

Formation of apophyseal joints

A

Diarthrotic

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17
Q

Vertebral column is composed of _______ bones

A

33

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18
Q

Cervical & Lumbar regions form _____ curves

A

Lordotic

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19
Q

Thoracic & sacral regions form ______ curve

A

Kyphotic

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20
Q

Exagerated thoracic curve is ____

A

Lordosis ( Swayback )

21
Q

Lateral curvature of vertebral column is called

A

Scoliosis

22
Q

Excessive posterior thoracic curvature - hunchback

A

Kyphosis

23
Q

Excessive anterior lumbar curvature - swayback

A

Lordosis

24
Q

Main portion of the vertebra.

80% of the load / protects the spinal cord

A

Vertebral body

25
Q

Serve as a bridge , joining the front and back parts of the vertebra

A

Pedicles

26
Q

Roof of the spinal canal , protects the backside of the spinal cord

A

Lamina

27
Q

Bony projection that arise at right angles to the midline of the lamina

A

Spinous process

28
Q

Located at the junction of pedicles and the lamina .

Provide a place for the back muscles to attach to the spine

A

Transverse processes

29
Q

Bony tunnel surrounding the spinal cord .

Contains the spinal cord , it also contains the nerve roots of the lower spine

A

Spinal canal

30
Q

Allows connection with the vertebrae above and below it

A

Facet joints

31
Q

Pair that faces upward

A

Superior articular facet

32
Q

The pair that faces downward

A

Inferior articular facet

33
Q

The facet complex is surrounded by

A

Watertight synovial capsule

34
Q

Transverse process at the c7 is called

A

Cervical rib

35
Q

Forked spinous process

Foramina transversa

A

Cervical

36
Q

Costal pits or fovea on vert body on transverse processes

A

Thoracic

37
Q

Large size

No pits

No foramina transversaria

A

Lumbar

38
Q

No body

1st cervical vert

A

Atlas

39
Q

A dens / odontoid process

2nd cervical vert.

A

Axis

40
Q

C3 to C7 may be referred to as the

A

Subaxial Region

41
Q

Subaxial cervical spine have upward projection on the lateral margin called

A

Uncinate processes

42
Q

Uncovertebral joint are also called

A

Joints of Luschka

43
Q

C7 is referred to as the _________ because of its longer and larger spinous process

A

Vertebra Prominens

44
Q

Joint between the atlas (c1) and the axis ( c2)

A

Atlantoaxial Joint

45
Q

Acts as a pivot point for the rotation of C1

A

Dens of C2

46
Q

Articulating surfaces of the two vertebrae that allow flexion-extension is also called facet joints

A

Zygapophyseal joints

47
Q

Inferior and superior articular process are articulated

A

Synovial joints

48
Q

T2 - T9 forms ( ribs articulate w/ vertebrae)

A

Costovertebral joints

49
Q

T1 , T10-T12 ( ribs articulates w/ transverse process)

A

Costotransverse joints

50
Q

Eitherside of the sacrum articulates with the inner aspects of the pelvis

A

Sacroiliac joint

Rad Positioning (3 decks)

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