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Physiology of Vision

Matthew Coulson 9 questions

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Questions in this quiz (9)

  1. 1From Deep to Superficial, the structure of the retina is as follows:
    [blank_start]Photoreceptors[blank_end]
    [blank_start]Bipolar cells[blank_end]
    [blank_start]Ganglion cells[blank_end]
    1. APhotoreceptors
    2. BBipolar cells
    3. CGanglion cells
  2. 2Rhodopsin is found in the [blank_start]rods[blank_end] of the eyes
    1. Arods
    2. Bcones
  3. 3Rhodopsin contains [blank_start]11-cis-retinal[blank_end]. When light hits this substance it becomes [blank_start]all-trans-retinal[blank_end], which is then broken up into 11-cis-retinal + [blank_start]Vitamin A[blank_end]
    1. A11-cis-retinal
    2. Ball-trans-retinal
    3. Call-trans-retinol
    4. Dall-trans-retinal
    5. E11-cis-retinal
    6. Fall-trans-retinol
    7. GVitamin A
    8. HVitamin D
    9. IVitamin C
  4. 4One of the main functions of [blank_start]rods[blank_end] is to see in dim light
    1. Arods
    2. Bcones
  5. 5Label the layers of the retina shown below.Image for question 5
    1. APhotoreceptor
    2. BBipolar Cell
    3. CAmacrine Cell
    4. DHorizontal Cell
    5. EGanglion Cell
  6. 6Both horizontal cells and amacrine cells facilitate [blank_start]lateral[blank_end] inhibition which helps in the localisation of a stimulus.
    1. Alateral
  7. 7From the optic chiasm, the optic tracts synapse at the [blank_start]lateral geniculate[blank_end] nuclei in the thalamus. From there they project as optic radiations to the primary visual cortex in the [blank_start]occipital[blank_end] lobe of the brain.
    1. Aoccipital
    2. Blateral geniculate
  8. 8Which condition would arise from each of the lesions shown in the diagram?
    A: [blank_start]Monocular Blindness[blank_end]
    B: [blank_start]Bitemporal Hemianopia[blank_end]
    C: [blank_start]Homonymous Hemianopia:[blank_end]
    D: [blank_start]Quadrantic Hemianopia[blank_end]
    E: [blank_start]Foveal Sparing Homonymous Hemianopia[blank_end]    Image for question 8
    1. AFoveal Sparing Homonymous Hemianopia
    2. BQuadrantic Hemianopia
    3. CHomonymous Hemianopia:
    4. DBitemporal Hemianopia
    5. EMonocular Blindness
  9. 9The [blank_start]striate[blank_end] cortex is the first part of the primary visual cortex that receives input from the lateral geniculate nucleus in the thalamus.
    1. Astriate

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Description
Physiology of Vision given by Dr Hormuzdi
Language
English
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