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Ten pairs of cranial nerves arise from the frog brain. In mammals the number is
A12 pairs of cranial nerves
B10 pairs of cranial nerves
C8 pairs of cranial nerves
D15 pairs of cranial nerves
Answer & Solution
Correct answer: A. 12 pairs of cranial nerves
Mammals (including humans) have 12 pairs of cranial nerves (added abducens-like changes and the addition of accessory + hypoglossal). Frogs and other amphibians have 10 pairs.
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