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- Comprehension for next 9 questions1. Multiple Choice30 seconds1 pt
What is the primary function of the cornea in the human eye?
To control the movement of the eyelid
To process visual information into nerve impulses
To refract light to help focus it on the retina
To produce aqueous humor
2. Multiple Choice30 seconds1 ptWhich part of the eye is responsible for converting light into nerve impulses?
Lens
Cornea
Retina
Ciliary muscle
3. Multiple Choice30 seconds1 ptWhat is the role of the vitreous humor in the eye?
To maintain the shape of the eyeball
To provide nutrients to the eye structures
To connect the lens to the ciliary body
To absorb light and prevent reflection
4. Multiple Choice30 seconds1 ptWhere is the fovea located and what is its significance?
In the anterior chamber, responsible for color vision
In the posterior cavity, responsible for peripheral vision
In the retina, responsible for high concentration of cones for sharp vision
In the sclera, responsible for protecting internal structures
5. Multiple Choice30 seconds1 ptWhat is the function of the macula lutea in the eye?
It controls the movement of the eye.
It is responsible for night vision.
It is the region of the retina with a great number of photosensitive cells.
It produces the aqueous humor.
6. Multiple Choice30 seconds1 ptWhich part of the eye is known as the "blind spot"?
Macula lutea
Optic disk
Fovea centralis
Lens
7. Multiple Choice30 seconds1 ptWhat is the primary role of the retina in the eye?
To provide structural support to the eye.
To convert light energy into nerve impulses.
To regulate the amount of light entering the eye.
To produce and drain aqueous humor.
8. Multiple Choice30 seconds1 ptWhich cells in the retina are more numerous and determine motion and night vision?
Cones
Macula cells
Rods
Bipolar cells
9. Multiple Choice30 seconds1 ptWhat is the function of the bipolar layer in the retina?
It synthesizes visual pigments.
It connects to neuron fibers.
It synapses with the rods and cones.
It regulates the intraocular pressure.
- 11. Multiple Choice
What is the sclera commonly referred to as?
The "black" of the eye
The "white" of the eye
The "color" of the eye
The "iris" of the eye
- 12. Multiple Choice
Glaucoma is caused by an increase in the production of __________________
vitreous humor
blood vessels
aqueous humor
connective tissue
- 13. Multiple ChoicePhotoreceptors that detect grey tones in low light are called...RodsCones
- 14. Multiple ChoicePhotoreceptors that detect colour are called..ConesRods
- 15. Multiple Choice
Light waves are bent first by the ______.
cornea
aqueous humor
lens
vitreous humor
- 16. Multiple ChoiceWhich part of the eye contracts and dilates based on the environment?PupilCorneaScleraIris
- 17. Multiple Choice
A condition in which the cornea or the lens of the eye is irregularly shaped.
Visual Acuity
Astigmatism
Depth Perception
Accomodation
Near Point
- 18. Multiple Choice
What is the black part of the eye called?
Retina
Nerve
Pupil
Iris
- 19. Multiple ChoiceWhat part of the eye bends light to focus it on the retina?RetinaIrisOptic NerveLens
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