Mouth, Eyes, Ears Unit Review

Which part of the ear helps with balance?

• Eardrum

• Pinna

• Cochlea

• Semicircular canals

What is the primary function of the optic nerve?

• To protect the eye from sunlight

• To focus light on the retina

• To transmit visual information to the brain

• To produce tears

What is the main reason older people are more prone to vision problems?

• Decreased pupil size

• Aging causes changes in the eye

• Increased exposure to sunlight

• Use of electronic devices

Which part of the eye is responsible for focusing light onto the retina?

• Pupil

• Cornea

• Lens

• Iris

What is the correct term for nearsightedness?

• Hyperopia

• Myopia

• Cyclopia

• Yeopia

What is the correct term for farsightedness?

• Hyperopia

• Myopia

• Cyclopia

• Yeopia

Which teeth are primarily used for tearing and crushing food?

• Incisors

• Premolars

• Molars

• Canines

What is a recommended practice to prevent mouth and teeth problems?

• Brush and floss your teeth daily

• Eat tooth-healthy foods

• Avoid smoking, drinking alcohol, and chewing tobacco

• All of the above

What is the function of the Pinna in the human ear?

• It is responsible for the balance and spatial orientation.

• It helps in the amplification of sound.

• It is the visible part of the ear that helps in collecting sound waves.

• It produces earwax to protect the ear canal.

Hearing loss is typically caused by damage to the inner ear.

• True

• False