Exam 1 - Vertebral Column General Characteristics and Measurements Flashcards Preview

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Flashcards in Exam 1 - Vertebral Column General Characteristics and Measurements Deck (25):
1

What is the number of vertebrae in a typical adolescent?

33 segments

2

What is the number of vertebrae in a typical adult?

26 segments

3

What is the number of vertebrae in a typical spine?

24 segments

4

what constitutes the spine?

the 24 presacral segments
(cervical, thoracic, and lumbar vertebrae)

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 seven cervical vertebrae?

two toed sloth
manatee
ant bear
three toed sloth

8

Which mammals have more than seven cervical vertebrae?

ant bear
three toed sloth

9

Which mammals have less than 7 cervical vertebrae?

two toed sloth
manatee

10

What does the term "cervical" refer to?

the region of the neck

11

What does the term "thoracic" refer to?

breast plate / chest
it referred to the armor bearing region of the torso

12

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

the dorsal segments
the dorsals

13

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

12 segments

14

What does the term "lumbar" refer to?

the loin
the region between the rib and the hip

15

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

5 segments

16

What does the term "sacrum" refer to?

the holy bone
holy region

17

What does the term coccyx refer to?

a cuckoo birds' bill
cuckoo birds' beak

18

What is the length of a typical male spinal column?

70 centimeters
28 inches

19

What is the length of a typical female spinal column?

60 cm
25 in

20

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

10 cm
about 3 inches

21

What is the length of the male cervical region?

12 cm
5 in

22

What is the length of the male thoracic region?

28 cm
11 in

23

What is the length of the male lumbar region?

18 cm
7 in

24

What is the length of the male sacrum?

12 cm
5 in

25

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

58 cm
23 in