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Question
question 10
watch this video to learn more about the reflex arc of the corneal reflex. when the right cornea senses a tactile stimulus, what happens to the left eye?
constricts
tears
blinks
deviates to the right
The corneal reflex is a protective reflex. When one eye (in this case, the right eye) is stimulated (by a tactile stimulus on the cornea), both eyes blink. This is a bilateral reflex. Constriction is more related to the pupillary light reflex (response to light). Tearing is a response related to lacrimal gland secretion (e.g., due to irritants but not the immediate corneal - tactile - stimulus - induced reflex). Deviation of the eye is not the typical response of the corneal reflex.
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