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Spinal > Vertebral Column 1 > Flashcards

Vertebral Column 1 Flashcards

1
Q

What is the number of vertebrae in a typical adolescent?

A

33 segments

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2
Q

What is the number of vertebrae in a typical adult?

A

26 segments

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3
Q

What is the number of vertebrae in the typical spine?

A

24 segments

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4
Q

What constitutes the spine?

A

The 24 presacral segments; the cervical, thoracic, & lumbar vertebrae

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5
Q

How many segments unite to form the typical sacrum?

A

5 segments

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6
Q

How many segments unite to form the typical coccyx?

A

4 segments

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7
Q

What does the term “cervical” refer to?

A

Region of the neck

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8
Q

What is the typical number of segments in the cervical region?

A

7 segments

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9
Q

What does the term “thoracic” refer to?

A

Breast plate or chest; it referred to the armor bearing region of the torso

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10
Q

What other term is often used to identify the vertebral segments of the chest?

A

The dorsal segments; the dorsals

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11
Q

What is the typical number of segments in the dorsal or thoracic region?

A

12 segments

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12
Q

What does the term “lumbar” refer to?

A

The loin; the region between the rib and the hip

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13
Q

What is the typical number of segments in the lumbar region?

A

5 segments

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14
Q

What does the term “sacrum” refer to?

A

The holy bone or holy region

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15
Q

What does the term “coccyx” refer to?

A

A cuckoo bird’s bill or cuckoo birds’ beak

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16
Q

Which region of the spine is more stable in terms of the number of segments/vertebrae?

A

The cervical region

17
Q

Which variations account for the disparity in number and morphology of vertebrae within the population?

A

Sexual dimorphism (gender), ontogenetic variation (growth or age), geographic variation (population-based), and idiosyncratic variation (individual)

18
Q

What is the length of a typical male spinal column?

A

70 cm or 28 in

19
Q

What is the length of a typical female spinal column?

A

60 cm or 25 in

20
Q

What is the difference in length between a typical male and typical female spinal column?

A

About 3 inches

21
Q

What is the length of the male cervical region?

A

12 cm or 5 in

22
Q

What is the length of the male thoracic region?

A

28 cm or 11 in

23
Q

What is the length of the male lumbar region?

A

18 cm or 7 in

24
Q

What is the length of the male sacrum?

A

12 cm or 5 in

25
Q

Based on the numbers for individual regions of the vertebral column, what is the length of the male spine?

A

58 cm or 23 in

26
Q

How does the vertebral column participate in protection of neural tissues?

A

The spinal cord and beginning PNS are located within the vertebral segments

27
Q

How does the vertebral column participate in the protection of the viscera?

A

Ribs are attached to vertebrae to form the thorax thus protecting the heart and lungs

28
Q

What parts of the body are supported by the vertebral column?

A

The head, upper extremities, ribs, viscera, and pelvis

29
Q

How does the vertebral column participate in skeletal formation?

A

Ribs are formed from the costal process of the embryonic vertebral template

30
Q

What levels of the vertebral column specifically accommodate weight-bearing transfer?

A

S1-S3 at the auricular surface

31
Q

Distinguish between motion and locomotion.

A

Motion is movement without travel; locomotion is movement to a new site or location

32
Q

What is specifically responsible for shape and position of the human frame?

A

Comparative anterior vs. posterior height of the vertebral body and intervertebral disc

33
Q

How does the vertebral column accommodate transmission?

A

The peripheral nerve communicates with the central nerve system via the intervertebral foramen

34
Q

What organs are specifically associated with the horizontal axis of the skull?

A

The eye and the vestibular apparatus of the inner ear

35
Q

How is the vertebral column involved in stabilization of visceral function?

A

Integrity of the spinal column enhances appropriate nerve system control of viscera

Spinal (8 decks)

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