Layers of the Retina, Photoreceptor Cells, etc
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| What are the 10 layers of the Retina? | show 🗑
|
||||
| show | retina
🗑
|
||||
| show | 200 to 300
🗑
|
||||
| How many rods are in the retina? | show 🗑
|
||||
| show | 6.3-6.8 million
🗑
|
||||
| The fovea has a high concentration of...? | show 🗑
|
||||
| How many cones are in the fovea? | show 🗑
|
||||
| show | ganglion axon
🗑
|
||||
| show | 10,000
🗑
|
||||
| The optic nerve is composed of ___ to ___ million ganglion cell axons. | show 🗑
|
||||
| The retina extends from the circular edge of the _________ to the _________. | show 🗑
|
||||
| show | electrical impulses
🗑
|
||||
| What is the only light sensitive part of the eye? | show 🗑
|
||||
| show | photoreceptor; ganglion; bipolar; horizontal; amacrine; interplexiform; Muller
🗑
|
||||
| show | phototransduction
🗑
|
||||
| Which layer of the retina is composed of outer and inner segments of the photoreceptor cells? | show 🗑
|
||||
| What is the pigment contained in rods? | show 🗑
|
||||
| show | opsin and vitamin A
🗑
|
||||
| Which are more light sensitive rods or cones? | show 🗑
|
||||
| show | bright
🗑
|
||||
| Which photoreceptor cells are motion sensitive and responsible for peripheral vision? | show 🗑
|
||||
| show | Rods
🗑
|
||||
| Are there more rods or cones? | show 🗑
|
||||
| Which photorecptor cells are more concentrated toward the center of the retina? | show 🗑
|
||||
| Which photoreceptor cells give us our acute vision? | show 🗑
|
||||
| Which photoreceptor cells give us our color vision? | show 🗑
|
||||
| What is the pigment in cones? | show 🗑
|
||||
| show | Red; Green; Blue
🗑
|
||||
| show | 5 minutes
🗑
|
||||
| How long does it take to become completely dark adapted? | show 🗑
|
||||
| ____ are extremely sesitive in low light conditions. | show 🗑
|
||||
| How many forms of Macular Degeneration are there? | show 🗑
|
||||
| Which form of macular degeneration is characterized by the presence of yellow deposits on the macula which causes the macula tissue to thin over time. | show 🗑
|
||||
| show | Wet form
🗑
|
||||
| show | Central vision
🗑
|
||||
| show | Dry
🗑
|
||||
| They eye can perceive up to ___ shades of grey. | show 🗑
|
||||
| show | Fovea Centralis
🗑
|
||||
| show | Cones
🗑
|
||||
| Where does the optic nerve exit they eye? | show 🗑
|
||||
| show | photoreceptor
🗑
|
||||
| Retinal detachment is the separation between the retinal pigmented epithelium and the ______________? | show 🗑
|
||||
| show | blood supply
🗑
|
||||
| show | An argon laser is used to photocoagulate the edges of the detached retinal tissue back into position.
🗑
|
||||
| show | scar tissue
🗑
|
||||
| Who is more likely to get a retinal detachment? | show 🗑
|
||||
| show | genetic
🗑
|
||||
| Does retinitis pigmentosa lead to a sudden vision loss or is it a progressive loss? | show 🗑
|
||||
| show | photoreceptor cells
🗑
|
||||
| show | Loss of night vision
🗑
|
||||
| In retinitis pigmentosa, after the loss of night vision, blind spots develop in the __________ vision. | show 🗑
|
||||
| show | tunnel
🗑
|
||||
| What three factors affect color? | show 🗑
|
||||
| show | trichromatic
🗑
|
||||
| show | Red, Green, Blue
🗑
|
||||
| What is the most common type of color blindness? | show 🗑
|
||||
| show | Red
🗑
|
||||
| show | Green
🗑
|
||||
| show | Blue
🗑
|
||||
| show | Anamolous trichromatic
🗑
|
||||
| What is monochromatic color blindness? | show 🗑
|
||||
| show | Inherited or from disease
🗑
|
||||
| Which parent is color blindness inhertited from? | show 🗑
|
||||
| What percent of males are color blind? | show 🗑
|
||||
| show | less than 1%
🗑
|
||||
| What test is used for color blindness? | show 🗑
|
||||
| When are the first hairs for the eyebrows formed? | show 🗑
|
||||
| What is another name for eyelids? | show 🗑
|
||||
| What are the functions of the eyelids? | show 🗑
|
||||
| Where are the structures that produce tears located? | show 🗑
|
||||
| show | PTOSIS
🗑
|
||||
| show | canthi
🗑
|
||||
| show | A small pink mass at the medial side
🗑
|
||||
| What are the eyelashes known as? | show 🗑
|
||||
| How many eyelashes are in the upper lid? | show 🗑
|
||||
| How many eyelashes are in the lower lid? | show 🗑
|
||||
| How often are eyelashes replaced? | show 🗑
|
||||
| How long does it take for eyelashes to grow to full length? | show 🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
griffiskr
Popular Medical sets