Chapter 46: Alterations in Special Sensory Function

Chapter 46: Alterations in Special Sensory Function

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE

1. It is true that a conductive hearing loss

ANS:  D

Conductive hearing loss is caused by dysfunction in the external or middle ear. Conductive hearing loss is generally correctable with medical or surgical therapy. Damage to hair cells in the inner ear is not the cause of conductive hearing loss. Acquired sensorineural hearing loss is caused by chronic, repeated exposure to loud sounds.

REF:   Pg. 945

2. Ménière disease is characterized by

ANS:  B

Clinical manifestations of Ménière disease include tinnitus, fluctuating sensorineural hearing loss, vertigo, and sensations of ear fullness. In the early stages, hearing loss fluctuates and is usually in the low tones. Many infections have been suggested as causative agents, but the precise cause cannot be established in most cases. Ménière disease is characterized by a degeneration of the neural end organs of the cochlea.

REF:   Pg. 947

3. Myopia is due to an error of light refraction in which

ANS:  C

Myopia or nearsightedness is frequently seen in late childhood or early adolescence, and individuals with myopia are unable to see distant objects clearly. If the eye is elongated, the image focuses in front of the retina rather than on it. Myopia is not related to scattered light rays as they pass through the cornea. Myopia is not related to a focal point being behind the retina. Presbyopia is the loss of accommodative capacity.

REF:   Pg. 950

4. Opacification of the lens is commonly referred to as

ANS:  D

Cataracts are a clouding or opacity of the lens that leads to gradual blurring of vision and eventual loss of sight. In hyperopia, light rays are focused behind the retina. Glaucoma is characterized by increased intraocular pressure and progressive loss of vision. Presbyopia is the loss of accommodative capacity.

REF:   Pg. 952