Exam 35: Special Senses

The alternative pathway for sound that bypasses the external and middle ears is called bone ________.

The ________, also called the anvil, is indicated by letter C in the figure.

The tough, outermost layer of the eye, indicated by the letter E in the figure, is the ________.

The ____ is the area between the semicircular canals and the cochlea that helps detect balance of the body.

A(n) ________ hearing loss occurs when there is damage to the nerve that leads from the ear to the brain.

The ____ are highly sensitive to light and function in dim light, but do not provide a sharp image and they detect only black, white, and shades of gray.

As a person ages, the ________ of the eye becomes thinner and may be drier because of a decrease in tear production.

The ____ taste cells are concentrated at the back of the tongue.

The flap of skin and cartilage that hangs off the side of the head and collects sound waves is the ________ or pinna.

The ____ is the middle layer of the eye, which contains most of the eye's blood vessels.

As a person ages, the ________, or earwax, becomes drier and more prone to impaction.

The "bumps" on the tongue are called ________.

The ____ are three tiny bones that vibrate in response to sound.

As the iris of the eye contracts and relaxes, an opening at its center, called the ________, grows larger or smaller, regulating the amount of light that enters the eye.

The cornea, lens, and fluids help focus the light onto the retina by bending it in a process known as ________.

The ____ maintains equal pressure on both sides of the eardrum.

Which of these is hearing loss due to the aging process?

Which of these produce tears and secrete enzymes to destroy bacteria and viruses in the eye?

The posterior chamber of the eyeball is behind the lens and is filled with a very thick, jelly-like fluid called ________ that keeps the retina flat and helps to maintain the shape of the eye.

The ____ allows the eye to focus on images.