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Questions and Answers
What is the function of the postganglionic fibers running in the short ciliary nerves?
What is the function of the postganglionic fibers running in the short ciliary nerves?
- Dilation of the pupil
- Contraction of the dilator pupillae
- Contraction of the constrictor pupillae (correct)
- Contraction of the ciliary muscle
Where do the preganglionic fibers supplying the lacrimal and nasal glands relay?
Where do the preganglionic fibers supplying the lacrimal and nasal glands relay?
- Superior salivary nucleus
- Ciliary ganglion
- Sphenopalatine ganglion (correct)
- Edinger-Westphal nucleus
Which nuclei do the motor nuclei of some cranial nerves (III, VII, IX, and X) arise from?
Which nuclei do the motor nuclei of some cranial nerves (III, VII, IX, and X) arise from?
- Sphenopalatine ganglion
- Edinger-Westphal nucleus (correct)
- Superior salivary nucleus
- Lateral horn cells of sacral segments
What is the function of the ciliary muscle when it contracts?
What is the function of the ciliary muscle when it contracts?
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Where do the preganglionic fibers supplying the submaxillary gland arise from?
Where do the preganglionic fibers supplying the submaxillary gland arise from?
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