Anatomy and Physiology of the Eye Quiz

What is the main function of the eye?

• To detect sound

• To taste food

• To provide sight

• To sense touch

What is the role of the cornea and lens in the eye?

• To regulate temperature

• To detect sound

• To refract light

• To produce tears

What is the function of the iris?

• To connect the cornea to the lens

• To produce aqueous humor

• To give the eye its color and regulate light entry

• To focus light on the retina

What happens to the pupils in a darkened room?

• They dilate

• They disappear

• They constrict

• They change color

What is the main function of the lens?

• To focus light on the retina

• To regulate temperature

• To detect sound

• To produce tears

What is the role of the vitreous humor?

• To regulate temperature

• To detect sound

• To produce tears

• To maintain the shape of the eye

What are the two types of photoreceptors in the retina?

• Rods and cones

• Rods and lenses

• Lenses and irises

• Cones and corneas

What is the function of rods in the retina?

• To detect dim light

• To detect bright light

• To regulate temperature

• To produce tears

Where are cones primarily located in the retina?

• In the outer edges

• Near the center

• In the aqueous humor

• In the vitreous humor

What is the fovea centralis responsible for?

• Acute central vision

• Regulating temperature

• Peripheral vision

• Producing tears