678289
Description
Quiz by Petite Piplup, updated more than 1 year ago
|
Created by Petite Piplup
about 10 years ago
|
|
Question 1
Question
What is the sclera?
Answer
-
The white part
-
The coloured part
-
The black part
-
The covering
Question 2
Question
(a) What is the iris? and (b) What does it do?
Answer
-
(a) The coloured bit, (b) Controls amount of light entering eye
-
(a) The coloured bit, (b) Point at which light enters the eye
-
(a) The black bit, (b) Controls amount of light entering eye
-
(a) The black bit, (b) Point at which light enters the eye
Question 3
Question
(a) What is the pupil, and (b) What does it do?
Answer
-
(a) The black bit, (b) Lets light enter the eye
-
(a) The black bit, (b) Controls amount of light entering the eye
-
(a) The coloured bit, (b) Lets light enter the eye
-
(a) The coloured bit, (b) Controls amount of light entering the eye
Question 4
Question
The eye needs to create an image on what?
Answer
-
The retina
-
The fovea
-
The optic nerve
-
The primary visual cortex
Question 5
Question
Which two sections of the eye act to focus light onto the retina?
Answer
-
Corenea and lens
-
Cornea and pupil
-
Lens and iris
-
Pupil and iris
Question 6
Question
Photoreceptors on the retina pick up information about the image which is taken where?
Answer
-
Down the optic nerve to the brain
-
Through the ganglion cells to the bipolar cells
-
Down the optic nerve to the bipolar cells
-
Through the ganglion cells to the horizontal cells
Question 7
Question
Rays of light need to be just focused on the retina. When they are just in front, this is called (a) and (b) lens is needed.
Answer
-
(a) Myopia (nearsightedness), (b) Concave
-
(a) Myopia (nearsightedness), (b) Convex
-
(a) Hyperopia (farsightedness), (b) Concave
-
(a) Hyperopia (farsightedness), (b) Convex
Question 8
Question
Rays of light need to be just focused on the retina. When they are just behind, this is called (a) and (b) lens is needed.
Answer
-
(a) Hyperopia (farsightedness), (b) Convex
-
(a) Hyperopia (farsightedness), (b) Concave
-
(a) Myopia (nearsightedness), (b) Convex
-
Myopia (nearsightedness), (b) Concave
Question 9
Question
What are the photoreceptors that respond to light?
Answer
-
Rods and cones
-
Rods and bipolar cells
-
Cones and ganglion cells
-
Bipolar cells and ganglion cells
Question 10
Question
What is the function of bipolar cells?
Answer
-
Transfer information from the photoreceptors to the ganglion cells
-
Act as a photoreceptor
-
Transfer information to the brain
-
Allow ganglion cells to communicate with one another
Question 11
Question
What is the function of horizontal cells?
Answer
-
Allows adjacent retina cells to communicate
-
Acts as a photoreceptor
-
Transfers information from photoreceptors to ganglion cells
-
Transfers information to the brain
Question 12
Question
What is the function of ganglion cells?
Answer
-
Transfer information to the brain
-
Transfer information from photoreceptors to bipolar cells
-
Enable adjacent retinal cells to communicate
-
Act as photoreceptors
Question 13
Question
What are the three types of cones?
Answer
-
(1) S-cones, long wavelengths, blueish (2) M-cones, medium wavelengths, greenish (3) L-cones, short wavelengths, redish
-
(1) S-cones, short wavelengths, blueish (2) M-cones, medium wavelengths, greenish (3) L-cones, long wavelengths, redish
-
(1) S-cones, long wavelengths, greenish (2) M-cones, medium wavelengths, redish (3) L-cones, short wavelengths, blueish
-
(1)L-cones, long wavelengths, blueish (2) S-cones, medium wavelengths, greenish (3) M-cones, short wavelengths, redish
Question 14
Question
The fovea (retinal center) only has (a) and is specialised for (b)
Answer
-
(a) Cones, (b) high acuity colour vision
-
(a) Rods, (b) high acuity colour vision
-
(a) Cones, (b) high acuity monochrome vision
-
(a) Rods, (b) high acuity monochrome vision
Question 15
Question
Outline the blindspot
Answer
-
Has no photoreceptors, we tend to be unaware of this
-
Has a dense population of photoreceptors, we tend to be unaware of this
-
Has no photoreceptors, we tend to be aware of this
-
Has a dense population of photoreceptors, we tend to be aware of this
Question 16
Question
Rods are only used at (a), this is called (b)
Answer
-
(a) low light levels, (b) scotopic vison
-
(a) low light levels, (b) photopic vision
-
(a) high light levels, (b) scotopic vision
-
(a) high light levels, (b) photopic vision
Question 17
Question
Cones are most sensitive at (a) light levels, this is called (b)
Answer
-
(a) high, (b) photopic vision
-
(a) high, (b) scotopic vision
-
(a) low, (b) photopic
-
(a) low, (b) scotopic
Question 18
Question
At dim light levels perception lacks what?
Answer
-
colour and detail
-
colour and texture
-
depth and detail
-
depth and texture
Question 19
Question
Total dark adaptation takes (a) and is first controlled by cones for (b) before being taken over by rods
Answer
-
(a) 30 minutes, (b) 5-10 minutes
-
(a) 60 minutes, (b) 5-10 minutes
-
(a) 30 minutes, (b) 1-2 minutes
-
(a) 60 minutes, (b) 1-2 minutes
Want to create your own Quizzes for free with GoConqr? Learn more.