Eye and Ear Quiz

1. Photoreceptors that are found in the edges of the retina and detect black and white light.

• Rods

• Cones

• Sclera

• Cornea

Biconvex structure that is able to change shape to focus light on the retina.

• Lens

• Cornea

• Sclera

• Retina

Layer of the eye that collects light and transmits the messages to the optic nerve.

• Aqueous Humor

• Retina

• Cornea

• Iris

Section of the retina where no rods and cones are found due to the insertion of the optic nerve.

• optic disc / blind spot

• retina

• optic nerve

• sclera

Substance that nourishes both the cornea and the lens of the eye.

• Retina

• Aqueous humor

• Vitreous humor

• Iris

Collection of nerve fibers that transfer impulses generated by light hitting the rods and cones to the brain

• optic nerve

• sclera

• iris

• lens

Photoreceptor cells that detect colored wavelengths of light, found mostly in the center of the retina

• cones

• rods

• iris

• optic nerve

The part of the eye that supports and maintains the shape of the eye, is white in appearance

• sclera

• iris

• cornea

• optic nerve

The clear part of the eye that light first goes through when entering the eye

• cornea

• sclera

• iris

• lens

Commonly called tears, contains salt, enzymes, and anti-bacterial properties

• lacrimal fluid

• urine

• cerebrospinal fluid

• mucus