Study Guide for Special Senses, Chapter 8 - Connor Keahey

What is the transparent inner neural layer of the retina that contains millions of receptor cells called?

• Iris

• Photoreceptor

• Cochlea

• Lens

What acts like a diaphragm of a camera, regulating the amount of light entering the eye?

• Fovea Centralis

• Iris

• Cornea

• Lens

What does it produce in response to sound vibrations?

• Nerve impulses

• Sound waves

• Light signals

• Heat energy

What is the tiny pit that contains only cones and has the greatest visual acuity called?

• Olfactory Receptors

• Fovea Centralis

• Semicircular Canals

• Optic Disc

What are the receptors for the sense of smell that occupy a postage stamp sized area in the roof of each nasal cavity called?

• Olfactory Receptors

• Gustatory Receptors

• Auditory Receptors

• Visual Receptors

What are the circular canals of the inner ear that sense rotational movements and help maintain balance called?

• Cochlea

• Semicircular Canals

• Eustachian Tube

• Auditory Ossicles

What is the transparent structure that directs light into the retina called?

• Lens

• Cornea

• Iris

• Pupil

What is the transparent anterior portion of the eyeball that covers the iris and the pupil called?

• Conjunctiva

• Cornea

• Optic Disc

• Temporal Lobe

What are the specific receptor cells that respond to chemicals dissolved in saliva called?

• Gustatory Cells

• Olfactory Cells

• Photoreceptor Cells

• Mechanoreceptor Cells

What are the receptors for the sense of taste that are widely scattered in the oral cavity called?

• Taste Buds

• Olfactory Receptors

• Conjunctiva

• Facial Nerve