Vertebral column part 1 ex. 1 QQ Flashcards Preview

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Flashcards in Vertebral column part 1 ex. 1 QQ Deck (31):
1

what is the number of vertebrae in the typical adolescent?

33 segments

2

what is the # of vertebrae in the typical adult?

26 segments

3

what is the # of vertebrae in the typical spine?

24 segments

4

what constitutes the spine?

24 presacral segments, cervical, thoracic and lumbar

5

how many segments unite to form the typical sacrum?

5 segments

6

how many segments unite to form the typical coccyx?

4 segments

7

which mammals do not have 7 cervical vertebrae?

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

8

which mammals have more than 7 cervical vertebrae?

ant bear and 3 toed sloth

9

which mammals have less than 7 cervical vertebrae?

manatee and 2 toed sloth

10

what does the term cervical refer to?

region of the neck

11

what does the term thoracic refer to?

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

12

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

dorsal segments, dorsals

13

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

12 segments

14

what does the term lumbar refer to?

the loin, region between rib and hip

15

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

5 segments

16

what does the term sacrum refer to?

the holy bone or holy region

17

what does the term coccyx refer to?

a cuckoo birds bill or beak

18

what is the length of the typical male spinal column?

70 cm- 28 in

19

what is the length of the typical female spinal column

60 cm- 25 in

20

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

about 3 inches

21

what is the length of the male cervical region?

12 cm or 5 in

22

what is the length of the male thoracic region?

28 cm or 11 in

23

what is the length of the male lumbar region?

18 cm or 7 in

24

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

head, upper extremities, ribs, viscera and pelvis

25

how does the vertebral column participate in skeletal formation?

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

26

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

S1-S3 at the auricular surface

27

what is motion?

movement without travel

28

what is locomotion?

movement to a new site or location

29

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

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

30

how does the vertebral column accommodate transmission?

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

31

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

the eye and vestibular apparatus of the inner ear