Chapter 8 Homework

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19 Terms

1
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Which fluid-filled structure in the inner ear is responsible for detecting sound?

Cochlea

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What is the function of the Eustachian tube in the ear?

Equalizes pressure between the middle ear and nasopharynx

3
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Which part of the ear is most likely damaged in sensorineural hearing loss?

Cochlea

4
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Which disorder involves a buildup of fluid in the inner ear, leading to dizziness, tinnitus, and hearing loss?

Ménière’s disease

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

Refract light as it enters the eye

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Which structure in the eye controls the size of the pupil and regulates the amount of light entering the eye?

Iris

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Which structure is responsible for transmitting sound waves from the outer ear to the middle ear?

Tympanic membrane

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What is the function of the rods in the retina?

Function in dim light and provide peripheral vision

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Tinnitus

Ringing or buzzing in the ears

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Conjunctivitis

Inflammation of the conjunctiva

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Presbyopia

Inability to focus on nearby objects due to aging

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Astigmatism

Irregular curvature of the cornea or lens

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How can the patient prevent further damage to his hearing?

Use earplugs in noisy environments

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Which condition involves clouding of the eye’s lens, leading to blurred vision?

Cataract

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Which condition is characterized by increased pressure in the eye, leading to vision loss if untreated?

Glaucoma

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Which nerve transmits visual information from the retina to the brain?

Optic nerve

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What is the primary cause of the patient’s hearing loss?

Exposure to loud noise

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Which treatment is most appropriate for the patient?

Hearing aids

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What is the role of the semicircular canals in the ear?

Maintain balance and equilibrium