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Quiz

Week 13

Melanie Galloway 10 perguntas

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Perguntas do quiz (10)

  1. 1Perception of motion is…
    1. Aa. None of these
    2. B
      b. Mainly localized to V4 area of the visual cortex
    3. C
      c. Only present in patients with two healthy eyes
    4. D
      d. Strongly associated with MT (or V5) area of the visual cortex
    5. E
      e. Independent of the magnocellular LGN pathway
  2. 2Which of the following statements is correct:
    1. Aa. Cortical magnification occurs because the perceived cortical image size of an object is larger than its actual (physical) size
    2. B
      b. LGN layers are organized into ipsilateral and contralateral ocular dominance columns
    3. C
      c. None of these
    4. D
      d. Cells within ‘cortical blobs’ are wavelength selective and mediate perception of colour
    5. E
      e. V1 only contains hypercomplex cells
  3. 3Amblyopia…
    1. Aa. All of these
    2. B
      b. Is typically caused by ocular pathology (i.e. trauma)
    3. C
      c. Is caused by an abnormal allocation of ocular dominance columns within the visual cortex
    4. D
      d. Treatment may be delayed until patient has entered puberty
    5. E
      e. Causes an irreversible loss of vision, regardless of remedial therapy or age of patient
  4. 4Which of the following statements about the lateral geniculate nucleus (LGN) is correct:
    1. Aa. LGN receives projections from midget ganglion cells exclusively
    2. B
      b. LGN receives input from the ipsilateral eye only
    3. C
      c. LGN contains 4 layers of cells
    4. D
      d. None of these
    5. E
      e. LGN is located within the cerebellum
  5. 5Which of the following statements is correct:
    1. Aa. 3D perception (stereopsis) occurs in the visual cortex due to the presence of disparity-selective neurons
    2. B
      b. Prosopagnosia is the inability to recognize faces
    3. C
      c. All of these
    4. D
      d. Perception of colour is mediated by regions of V1, V2 and V4
    5. E
      e. Visual attention is mediated by area V4 of the visual cortex
  6. 6Primary visual cortex…
    1. Aa. Devotes equal space to central and peripheral visual field projections
    2. B
      b. Only contains tightly packed spiny pyramidal neurons
    3. C
      c. Is characterized by the presence of the line (stria) of Gennari
    4. D
      d. Is also known as Brodman’s Area 18
    5. E
      e. Retains no retinotopic map of the visual space
  7. 7Which of the following statements is correct:
    1. Aa. Optic chiasm is located within the sella turcica
    2. B
      b. None of these
    3. C
      c. Projections from both nasal retinas cross (decussate) at the optic chiasm
    4. D
      d. Anterior knee of Wilbrand contains projections from the superior nasal retina
    5. E
      e. Pineal gland is located immediately beneath the optic chiasm
  8. 8Which of the following statements is incorrect:
    1. Aa. Meyer’s loop is a bend in the course of optic radiations proximal to the lateral ventricle
    2. B
      b. Pretectal nuclei are involved in the pupil reflex
    3. C
      c. Optic radiations extend from the chiasm to the lateral geniculate nucleus (LGN)
    4. D
      d. Calcarine sulcus is located in the occipital lobe
    5. E
      e. Superior colliculi are involved in the coordination of eye movements
  9. 9Which of the following statements is correct:
    1. Aa. Visual cortex cells display a preference for edge or bar stimuli over diffuse spot stimuli
    2. B
      b. None of these
    3. C
      c. Layers 1 and 2 of the LGN are Parvocellular LGN
    4. D
      d. Magnocellular LGN pathway mediates colour vision information
    5. E
      e. Koniocellular cells of the LGN are confined to Layers 3,4,5,6
  10. 10Which of the following statements is correct:
    1. Aa. Typical symptoms of Horner’s syndrome include mydriasis and ptosis
    2. B
      b. Significant parietal lobe lesions may produce a contralateral superior quadrantanopic visual field defect
    3. C
      c. Compression to the optic chiasm (i.e. pituitary adenoma), will cause a binasal hemianopic defect
    4. D
      d. Consensual light pupil reflexes are preserved in an afferent lesion
    5. E
      e. If the pupil fails to constrict on direct illumination, the lesion lies with the ipsilateral efferent pupillary pathway

Informações

Descrição
Anatomy Quiz sobre Week 13, criado por Melanie Galloway em 22-06-2014.
Idioma
English
Visualizações
69
Etiquetas
anatomy
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