Which of the following is the role of the cornea?

Shields the rest of the eye from dust and germs and reflects light

To allow light to enter the retina

To collect light and create an image

The function of the optic nerve is [blank_start]to[blank_end]

carry impulses from the retina to brain

Controls how much light enters the pupil

Can't focus on far away objects

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Dan Allibone 11 perguntas 3.550 visualizações Atualizado em 19 dez 2016

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1Which of the following is the role of the cornea?
1. AShields the rest of the eye from dust and germs and reflects light
2. BTo allow light to enter the retina
3. CTo collect light and create an image
2The lens is short and fat to refract light rays from a near by object
1. AVerdadeiro
2. BFalso
3Label this diagram of the eye (on the ends of the labels)
1. AOptic Nerve
2. BFovea
3. CRetina
4. DLens
5. EPupil
6. FCornea
7. GConjunctiva
8. HIris
9. ICiliary Muscle
10. JSuspensory Ligament
4The function of the cornea is to allow light to enter the eye
1. AVerdadeiro
2. BFalso
5Focuses light onto the retina
1. AOptic Nerve
2. BLens
3. CCornea
6The function of the optic nerve is [blank_start]to[blank_end]
1. Acarry impulses from the retina to brain
7The Iris:
1. APigmented
2. BContains muscle
3. CFocuses light
4. DControls how much light enters the pupil
8A specialised cell that is found in a sense organ which detects a stimulus and transforms it into an electrical impulse is called a receiver.
1. AVerdadeiro
2. BFalso
9The ability of the lens to change shape to focus on a near or distant object is called
1. AFocusable
2. BAccommmodation
3. CElasticity
4. DLong sited
10Which of the following are symptoms of being Long sited
1. ACan't focus on nearby objects
2. BCan't focus on far away objects
3. CCan't see in dark conditions