Vertebral column part 1 ex. 1 QQ Flashcards

1
Q

what is the number of vertebrae in the typical adolescent?

A

33 segments

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2
Q

what is the # of vertebrae in the typical adult?

A

26 segments

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3
Q

what is the # of vertebrae in the typical spine?

A

24 segments

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4
Q

what constitutes the spine?

A

24 presacral segments, cervical, thoracic and lumbar

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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

which mammals do not have 7 cervical vertebrae?

A

2 toed sloth, manatee, ant bear, 3 toed sloth

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8
Q

which mammals have more than 7 cervical vertebrae?

A

ant bear and 3 toed sloth

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9
Q

which mammals have less than 7 cervical vertebrae?

A

manatee and 2 toed sloth

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10
Q

what does the term cervical refer to?

A

region of the neck

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11
Q

what does the term thoracic refer to?

A

breast plate or chest; referred to armor bearing region of torso

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12
Q

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

A

dorsal segments, dorsals

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13
Q

what is the typical # of segments in the dorsal or thoracic region?

A

12 segments

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14
Q

what does the term lumbar refer to?

A

the loin, region between rib and hip

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15
Q

what is the typical # of segments in the lumbar region?

A

5 segments

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16
Q

what does the term sacrum refer to?

A

the holy bone or holy region

17
Q

what does the term coccyx refer to?

A

a cuckoo birds bill or beak

18
Q

what is the length of the typical male spinal column?

A

70 cm- 28 in

19
Q

what is the length of the typical female spinal column

A

60 cm- 25 in

20
Q

what is the length difference between a typical male and 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 parts of the body are supported by the vertebral column?

A

head, upper extremities, ribs, viscera and pelvis

25
Q

how does the vertebral column participate in skeletal formation?

A

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

26
Q

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

A

S1-S3 at the auricular surface

27
Q

what is motion?

A

movement without travel

28
Q

what is locomotion?

A

movement to a new site or location

29
Q

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

A

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

30
Q

how does the vertebral column accommodate transmission?

A

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

31
Q

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

A

the eye and vestibular apparatus of the inner ear