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RHSC 420 – FINAL EXAM QUESTIONS AND ANSWERS (100% PASS) $11.49   Add to cart

Exam (elaborations)

RHSC 420 – FINAL EXAM QUESTIONS AND ANSWERS (100% PASS)

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  • RHSC 420/421
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  • RHSC 420/421

RHSC 420 – FINAL EXAM QUESTIONS AND ANSWERS (100% PASS) T/F - the image from our visual field and inverted and reversed on the retina. - Answer️️ -TRUE What are the three layers of the eye? - Answer️️ -retina, choroid, sclera What is the difference between the fovea and the macula? -...

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  • August 28, 2024
  • 26
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • RHSC 420/421
  • RHSC 420/421
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©SOPHIABENNET@2024/2025 Tuesday, August 20, 2024 10:21 AM


RHSC 420 – FINAL EXAM QUESTIONS AND
ANSWERS (100% PASS)

T/F - the image from our visual field and inverted and reversed on the
retina. - Answer✔️✔️-TRUE

What are the three layers of the eye? - Answer✔️✔️-retina, choroid, sclera

What is the difference between the fovea and the macula? - Answer✔️✔️-
Fovea: area of highest visual acuity with tightly packed cones

Macula: circular area surrounding the fovea

What is the order of cells from when the light hits the eye to the pigment
epithelium? - Answer✔️✔️-1. ganglion cells - make up optic nerve

2. amarcrine cells

3. bipolar cells

4. horizontal cells

5. rods

6. cones

What makes up the inner and outer segment of rods?

What time of day are these best for?

What are rods better at than cones? - Answer✔️✔️-Inner: contains the cell
nucleus and mitochondria



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,©SOPHIABENNET@2024/2025 Tuesday, August 20, 2024 10:21 AM

Outer: contains the discs that contain light-sensitive rhodopsin (absorbs
green/blue light)

Dusk and nighttime

Better for movement

What makes up the inner and outer segments of cones?

What are cones better for than rods? - Answer✔️✔️-Inner: contains the cell
nucleus and mitochondria

Outer: contains the discs that contain light-sensitive iodopsin (absorbs red,
green and blue light)

Better visual acuity

T/F - we have more cones than rods. - Answer✔️✔️-FALSE - we have more
rods than cones

T/F - the fovea only contains cones. - Answer✔️✔️-TRUE

From the optic nerve to the back of the brain, what is the order of the visual
pathway in the brain? (5) - Answer✔️✔️-1. optic nerve

2. optic chiasm

3. optic tract

4. lateral geniculate nucleus (in the thalamus)

5. optic radiation

Draw out the visual pathway. - Answer✔️✔️--



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, ©SOPHIABENNET@2024/2025 Tuesday, August 20, 2024 10:21 AM

Where is the primary visual cortex? - Answer✔️✔️-occipital lobe

Fill in the blanks:

The _________ visual field projects to the lower retina.

The __________ visual field projects to the fovea.

The __________ visual field projects to the upper retina. - Answer✔️✔️-
Upper

Middle

Lower

The fibres from the lower visual field project from the _______ through the
_______ lobe to the primary visual cortex. - Answer✔️✔️-lateral geniculate
nucleus, through the parietal lobe

The fibres from the upper visual field project from the _____ through the
______ lobe to the primary visual cortex. - Answer✔️✔️-LGN, temporal lobe

The fibres from the middle visual field project from the ______ through the
________ lobes to the most posterior part of the primary visual cortex. -
Answer✔️✔️-LGN, parietal and temporal lobes

After leaving the primary visual cortex, visual things need further
processing. What is the dorsal stream/parietal lobe responsible for? -
Answer✔️✔️-Attention and spatial awareness

Where and how




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