A Bit of Dust Blows into and Touches the Cornea

question 28

Multiple Choice

A bit of dust blows into and touches the cornea of the eye.Which of the following is likely to happen?

• A) Stimulation of the facial nerve (VII) will be perceived as pain.
• B) Stimulation of the optic nerve (II) will cause tears to flow from the lacrimal gland.
• C) Nothing, because there is no sensory information sent from the cornea.
• D) Stimulation of the ophthalmic division of the trigeminal nerve (V) will cause blinking.

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Definitions:

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Antecedent

Something that exists or happens before something else and may influence or cause it.

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