Visual Sensory System Quiz

What is the primary function of the retina in the visual sensory system?

• To produce tears

• To convert light into neural signals

• To focus light onto the lens

• To protect the eye from dust

How do photoreceptors in the retina contribute to vision?

• They reflect light back out of the eye

• They change light energy into an electrical signal

• They absorb sound waves

• They produce color pigments

Through which part of the eye does light pass before hitting the retina?

• The cornea

• The optic nerve

• The lens

• The iris

What is the function of the cornea in the eye?

• It controls the size of the pupil.

• It helps focus light coming into the eye.

• It is the colored part of the eye.

• It is the black circle in the middle of the eye.

Which part of the eye controls how much light enters by changing size?

• Cornea

• Lens

• Pupil

• Retina

What is the role of the iris in the eye?

• It focuses light onto the retina.

• It is the clear outer layer of the eye.

• It changes the size of the pupil to regulate light entry.

• It is the black circle in the middle of the eye.

Where is the fovea located in the eye?

• In the optic nerve

• In the center of the retina

• Behind the pupil

• In the cornea

What is the role of the optic nerve?

• It focuses light onto the retina.

• It contains special cells for vision.

• It sends visual information to the brain.

• It is where vision is the sharpest.

What special cells are found in the retina?

• Rods and cones

• Fovea and lens

• Cornea and iris

• Pupil and optic nerve

What is the primary function of rods in the visual sensory system?

• Detect color

• Detect light in low-light conditions

• Focus images

• Enhance peripheral vision