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Questions and Answers
Which cranial nerve extends into the thoracic and abdomen viscera?
Which cranial nerve extends into the thoracic and abdomen viscera?
Which cranial nerves innervate only head and neck structures?
Which cranial nerves innervate only head and neck structures?
What are the three types of functional classification of cranial nerves?
What are the three types of functional classification of cranial nerves?
Where do the cell bodies of sensory neurons of cranial nerves lie?
Where do the cell bodies of sensory neurons of cranial nerves lie?
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What is the mnemonic for remembering the 12 cranial nerves in their proper order?
What is the mnemonic for remembering the 12 cranial nerves in their proper order?
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Study Notes
Cranial Nerve Classification
- The vagus nerve (CN X) is the cranial nerve that extends into the thoracic and abdomen viscera.
Cranial Nerve Distribution
- Cranial nerves III, IV, VI, and XII innervate only head and neck structures.
Functional Classification
- Cranial nerves are functionally classified into three types:
- Somatic motor nerves (move skeletal muscles)
- Somatic sensory nerves (transmit sensory information from the head and neck)
- Visceral nerves (regulate involuntary functions of the body, such as digestion and heart rate)
Cranial Nerve Anatomy
- The cell bodies of sensory neurons of cranial nerves lie in the sensory ganglia.
Cranial Nerve Mnemonic
- The mnemonic "On Old Olympus' Towering Top, A Finn And German Viewed Some Hops" is used to remember the 12 cranial nerves in their proper order.
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Description
Test your knowledge of the cranial nerves with this quiz! Learn about the functions and attachments of these important nerves that innervate the head and neck structures.
