Chap 17, The Ear, Pathology

Question 1

acoustic neuroma

Answer 1

Benign tumor arising from the acoustic nerve.

Question 2

cholesteatoma

Answer 2

Middle ear mass of cellular debris and cholesterol crystals.

Question 3

deafness

Answer 3

Loss of the ability to hear.

Question 4

nerve deafness (sensorineural hearing loss)

Answer 4

results from impairment of the cochlea or auditory (acoustic) nerve.

Question 5

conductive deafness

Answer 5

results from impairment of the middle ear ossicles and membranes transmitting sound waves into the cochlea.

Question 6

Meniere disease

Answer 6

Disorder of the labyrinth of the inner ear; elevated endolymph (fluid) pressure.

Question 7

otitis media

Answer 7

Inflammation of the middle ear.

Question 8

suppurative otitis media

Answer 8

Infectious inflammation of the middle ear with pus formation.

Question 9

serous otitis media

Answer 9

Non-infectious inflammation of the middle ear with accumulation of clear fluid.

Question 10

otosclerosis

Answer 10

Overgrowth and hardening of the bony tissue of the middle ear.

Question 11

tinnitus

Answer 11

Ringing, buzzing or roaring sound in the ear.

Question 12

vertigo

Answer 12

Abnormal sensation of moving in space or having objects move about one in space.