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The Human Eye

Created by malik24

Fun Trivia : Quizzes : Nervous System and the Senses
The Human Eye game quiz
"If you're here, you've been using your eyes. But how much do you know about these interesting organs?"

15 Points Per Correct Answer - No time limit  



1. Which eye disorder causes an opacity in the lens, which if left uncured, may blind you?
    Cataracts
    Exotropia
    Glaucoma
    Myopia


2. Which of these sentences most accurately describes the function of the eyelid?
    Rests the eye, ensuring it does not get too tired
    Allows blood flow throughout the eye
    Focuses the eye, by maintaining its pressure
    Wipes the eyes, and prevents dehydration


3. Which sentence is untrue about the function of the eyebrow?
    Defines the face, helping express various emotions
    May catch falling particles before they reach the eye
    None of these are untrue
    Redirects flowing substances away from the eye


4. I'm outside in the blazing sun. It is shining heavily. For some reason, there's a mirror on a wall. I look inside it, what do I notice about my eyes?
    They are burning
    The irises are very small
    The pupils are very small
    The pupils have dilated


5. When reading a book, your lenses need to adjust to focus the light that enters the eye. Which of these statements is true as to how the lenses have adjusted by the ciliary muscles?
    Lenses are relaxed - they become weaker and rounder
    Lenses are squeezed and contracted - they become stronger and rounder
    Lenses are relaxed - they become stronger and flatter
    Lenses are squeezed and contracted - they become stronger and flatter


6. There are 5 areas of the visual cortex, known as V1, V2 etc. Which area primarily deals with interpreting motion?
    V4
    V2
    V5
    V3


7. Which of these is located between the cornea and lens, maintains the convex shape of the cornea with its pressure, provides nutrition for ocular tissues, and carries away the waste from said tissues?
    Vitreous Humour
    Conjunctiva
    Sclera
    Aqueous Humour


8. Given that in rods, the photochemical that breaks down and then sends an impulse up the optic nerve is called rhodopsin, which chemical do cones contain for the same purpose?

    Rhodopsin
    Flourodopsin
    Brodopsin
    Iodopsin


9. In front of the photosensitive cells are two other types of cells. But which are the ones the light would hit first?
    Idicary Cells
    Opticaric Cells
    Ganglion Cells
    Bipolar Cells


10. The ganglion cells and bipolar cells are in front of the rods and cones, and are all in the retina - but can you put them in order of quantity (greatest - smallest)?

    Ganglion cells - Rods + Cones - Bipolar cells
    Rods + Cones - Bipolar cells - Ganglion cells
    Ganglion cells - Bipolar cells - Rods + Cones
    Bipolar cells - Ganglion cells - Rods + Cones


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Compiled May 21 13