Exam 34: Special Senses

When the head moves, fluids in the ________ canals move and activate the equilibrium receptors.

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

Which of these is the tough, outermost layer of the eye, also called the "white of the eye"?

The condition characterized by eversion of the lower eyelid is ________.

The watery fluid that provides nutrients to and bathes the structures in the anterior chamber of the eyeball is the ________.

When the head moves, fluids known as perilymph and ________ in the semicircular canals and vestibule move, activating equilibrium receptors and hearing receptors.

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

Which of the following are mucous membranes that line the inner surfaces of the eyelids?

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

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.

Muscles in the ________ control the shape of the lens of the eye.

Which of the following is the beginning of the inner ear?

As the iris contracts and relaxes, an opening at its center, the ____, grows larger or smaller.

Which parts of the eye are highly sensitive to light and function best in dim light but do not provide a sharp image and detect only black, white, and shades of gray?

The process called ________ enables the eye to focus on images of objects that are near or far away.

Mrs. Whitley, a 61-year-old patient, calls the office this morning. She says she is afraid to drive to the office, because when she woke up this morning, her vision was "funny, like everything is wavering in front of my eyes." She is also seeing flashes of light and floaters. Which of the following statements is your best response to Mrs. Whitley?

Which of the following allows the eye to focus on images?

A common cause of conductive hearing loss is the immobilization of the stapes within the inner ear, called ____.

The _______ glands are located on the lateral edge of each eyeball and produce tears.

Hearing loss that occurs when there is damage to the nerve that leads from the ear to the brain is called ______.