Special Senses Review

In bright light, pupils constrict as radial muscles contract.

• True

• False

70% of all sensory receptors are located in the eye.

• True

• False

Hearing is the last sense to leave our awareness when we fall asleep or lose consciousness.

• True

• False

The real image which forms on the retina is upside down and reversed.

• True

• False

Receptors that respond to physical forces are called chemoreceptors.

• True

• False

Which of the following is not one of the three tunics of the eyeball?

• choroid

• sclera/cornea

• fovea centralis

• retina

The iris is part of the

• retina

• sclera

• choroid

• cornea

The region of the retina which produces the greatest visual acuity (sharpest vision) is the

• ciliary body

• fovea centralis

• optic disc

• conjunctiva

Choose the correct sequence that describes a portion of the pathway of optical information toward the brain

• photoreceptors-optic nerve-optic cortex-ganglion cells-bipolar cells

• photoreceptors-bipolar cells-ganglion cells-optic nerve-optic cortex

The blind spot is located at the

• optic disc

• ciliary body

• fovea centralis

• fundus