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Retina: Quiz


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  • even in perfect darkness, the retina spontaneously sends signals down the optic nerve, causing a sensation of gray called eigengrau?

More interesting facts on Retina

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Question 1: In ________, the retina detaches from the back of the eyeball.
Diabetic retinopathyRetinal detachmentBlindnessFloater

Question 2: [7] There are several modern treatment methods for fixing a retinal detachment: ________, scleral buckle, cryotherapy, laser photocoagulation and pars plana vitrectomy.
BlindnessFloaterDiabetic retinopathyRetinal detachment

Question 3: The vertebrate retina is a light sensitive tissue lining the inner surface of the ________.
Sensory systemEyeBrainNervous system

Question 4: The only neurons that are directly sensitive to light are the ________.
Neuromuscular junctionNervous systemPhotoreceptor cellPhotosensitive ganglion cell

Question 5: These are sent to various visual centers of the ________ through the fibers of the optic nerve.
Nervous systemBrainSensory systemDigestion

Question 6:

Question 7: Specifically the output of the LGN "radiates" out to the V1 ________.
Visual cortexDorsomedial areaCuneusFrontal eye fields

Question 8: The white blood cells in the ________ in front of the photoreceptors can be perceived as tiny bright moving dots when looking into blue light.
Circulatory systemArteryHeartCapillary

Question 9: ________ describes a group of diseases characterized by loss of central vision because of death or impairment of the cells in the macula.
Optic disc drusenDiabetic retinopathyGlaucomaMacular degeneration

Question 10: In vertebrate embryonic development, the retina and the optic nerve originate as outgrowths of the developing ________, so the retina is considered part of the central nervous system (CNS).
BrainDigestionSensory systemEndocrine system


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