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What job does the pupil of the eye do ?...

What job does the pupil of the eye do ?

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Knowledge Check

  • The size of the pupil of the eye is adjusted by :

    A
    cornea
    B
    ciliary muscles
    C
    optic nerve
    D
    iris

  • Which of the following alkaloid is an intense poison and is used to silate the pupil of the eye in ophthalmic examination ?

    A
    Caffeine
    B
    Cocaine
    C
    Nicotine
    D
    Atropine.

  • The contraction of pupil of the eye in the presence of bright light is an example of:

    A
    Voluntary reflex
    B
    Spinal reflex
    C
    cerebral reflex
    D
    Adernal reflex

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