Chapter 7 Ear and Eye Test

Which part of the eye is responsible for controlling the amount of light that enters the eye?

• Retina

• Iris

• Cornea

• Lens

What is the primary function of the lens in the eye?

• To detect light

• To focus light onto the retina

• To protect the eye

• To control eye movement

Which part of the ear is responsible for converting sound waves into electrical signals?

• Eardrum

• Cochlea

• Ossicles

• Semicircular Canals

In the diagram of the eye, which structure is labeled as "B"?

• Cornea

• Retina

• Lens

• Optic Nerve

What is the main difference between nearsightedness and farsightedness?

• Nearsightedness is when distant objects are clear, and farsightedness is when close objects are clear.

• Nearsightedness is when close objects are clear, and farsightedness is when distant objects are clear.

• Nearsightedness affects the cornea, and farsightedness affects the lens.

• Nearsightedness is corrected with convex lenses, and farsightedness is corrected with concave lenses.

Which of the following is a common symptom of cataracts?

• Sudden loss of vision

• Blurred vision

• Eye pain

• Redness in the eye

Which part of the ear helps maintain balance?

• auricle

• Eardrum

• Semicircular Canals

• Auditory Canal

Which of the following is a characteristic of farsightedness?

• Difficulty seeing distant objects

• Difficulty seeing close objects

• Double vision

• Night blindness

What is the primary cause of cataracts?

• Genetic mutation

• Aging

• Viral infection

• High blood pressure

Which of the following is an example of an ear disease?

• Glaucoma

• Tinnitus

• Cataracts

• Astigmatism