The nurse is explaining the neurological system to a group of nursing students. How many pairs of spinal nerves should the nurse explain are contained within the human body?
a. 15
b. 25
c. 31
d. 42
ANS: C
There are 31 pairs of spinal nerves, named according to their respective vertebrae: 8 cervical pairs, 12 thoracic pairs, 5 lumbar pairs, 5 sacral pairs, and 1 very small coccygeal pair. A. B. There are more than 15 or 25 pairs of spinal nerves. D. There are not 42 pairs of spinal nerves in the body.
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