visual pathway-exam3 Word Scramble
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| Question | Answer |
| Retina | 3 neuron chain |
| 3 neuron chain | photoreceptors, bilpolar cells, ganglion cells (axons form optic nerve) |
| Light reflex | fibers project bilaterally from accomodation center in superior colliculus to Edinger-Westphal nucleus to ciliary ganglion |
| Argyll Robertson Pupils | usually the result of tertiary syphilis (accompanied by tabes dorsalis) |
| Argyll Robertson Pupils | pupils are small & not reactive to light |
| Arryll Robertson Pupils | accomodation reflex intact |
| blindness in one eye | lesion in optic n. |
| loss of peripheral vision | bitemporal hemianopsia |
| loss of peripheral vision | lesion in optic chiasm |
| loss of nasal visual field | nasal hemianopsia |
| loss of nasal visual field | lesion on side of chiasm |
| loss of R or L visual field | homonymous hemianopsia |
| Loss of R or L visual field | lesoin in optic tract or cortex |
| Loss of quadrant (both eyes) | superior quadrant anopsia |
| loss of quadrant (both eyes) | lesion in Meyer's loop |
Created by:
JYarger
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