BRAIN
CRANIAL NERVES
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
31
|
|
|
30
|
|
|
12
|
|
|
7
|
Detailed explanation-1: -In total, there are 31 pairs of spinal nerves grouped regionally by spinal region. More specifically, there are eight cervical nerve pairs (C1-C8), twelve thoracic nerve pairs (T1-T12), five lumbar nerve pairs (L1-L5), 5 sacral (S1-S5), and a single coccygeal nerve pair.
Detailed explanation-2: -12 pairs of cranial nerves arise from the brain. 31 pairs of spinal nerves: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. Each spinal nerve branches into two roots near the spinal cord.
Detailed explanation-3: -There are 31 pairs of spinal nerves (8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal). Because there are only seven cervical vertebrae, the first seven cervical nerves exit above the same numbered cervical vertebrae.