Which of the following would be considered a mixed cranial nerve?Question 20Answera.Opticb.Olfactoryc.Trigeminald.Accessory
Question
Which of the following would be considered a mixed cranial nerve?
Question 20
Answer
- a. Optic
- b. Olfactory
- c. Trigeminal
- d. Accessory
Solution
The mixed cranial nerve from the options given is c. Trigeminal.
Here's why:
A mixed cranial nerve is one that contains both sensory and motor fibers, meaning it can send sensory information to the brain and also carry motor commands from the brain to muscles.
a. The Optic nerve is purely sensory. It is responsible for vision. b. The Olfactory nerve is also purely sensory. It is responsible for smell. c. The Trigeminal nerve is mixed. It carries sensory information from the face and body to the brain and also carries motor commands for mastication (chewing). d. The Accessory nerve is primarily a motor nerve. It controls muscles in the neck that move the head and shoulders.
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