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Anatomy: The Sensory System and Eye Structure

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Anatomy: The Sensory System and Eye Structure

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Questions and Answers

Which part of the eye has light sensitive nerve cells called rods and cones?

Iris
Cornea
Retina (correct)
Crystalline lens

What is the function of the ciliary body muscles?

To move the eyeball
To change the curvature of the lens (correct)
To control the size of the pupil
To regulate the amount of light entering the eye

What is the purpose of the optic nerve?

To regulate the amount of light entering the eye
To change the shape of the lens
To transmit nerve impulses from the eye to the brain (correct)
To move the eyeball

What is the function of the rods in the retina?

To enable vision in dim light (D) Signup and view all the answers

What is the function of the posterior compartment of the eyeball?

To make up the bulk of the eyeball and be filled with the vitreous body (B) Signup and view all the answers

What happens to the image formed by the lens?

It is inverted and sent to the retina (B) Signup and view all the answers

What is the main function of the sclera?

To act as the outermost layer of the eye (A) Signup and view all the answers

What is the function of the choroid?

To supply the eye tissues with oxygen and nutrients (D) Signup and view all the answers

What is the purpose of the pupil?

To regulate the amount of light entering the eye (B) Signup and view all the answers

What determines the color of a person's eyes?

The pigment present in the iris (B) Signup and view all the answers

What is the shape of the eyeball?

Sphere-shaped (D) Signup and view all the answers