Facial nerve has________________?
Correct answer: B. Motor and sensory root
- A. Motor root only
- B. Motor and sensory root
- C. Motor and sympathetic
- D. Motor, sympathetic and parasympathetic fibres
Explanation
The facial nerve has a large motor root and a smaller nervus intermedius carrying sensory and parasympathetic fibres. Thus, it is more than a purely motor nerve, although its sympathetic fibres are hitchhiking fibres from other nerves.
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