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112 Cards in this Set
- Front
- Back
Binaural interaction at the level of the brain stem permits what to occur?
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identification and location of the direction of the sound
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When an otoscope examination is performed on an elderly client, the tympanic membrane may be observed to be what?
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whiter than expected
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The Weber test is generally performed on an individual who complains of
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hearing better in one ear than the other
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What are the functions of the middle ear?
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sound conduction
reduction of sound amplitude pressure equalization |
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At the peripheral level of hearing, what takes place?
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conversion of vibrations into electrical impulses
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Mr. Rucker is a 57-year-old patient who presents with a complaint of hearing difficulties. As the health care provider, you know that a conductive hearing loss occurs when
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a mechanical dysfunction of the external or middle ear occurs
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The labyrinth of the inner ear is responsible for maintaining the body's:
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equilibrium
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Mrs. Kitts is a 29-year-old patient who is in her first trimester of pregnancy. During her examination, she brings up concerns about exposure to rubella. As the health care provider, you explain that, if she contracts rubella, her developing fetus is at risk for damage to what?? (Note: This damage could lead to hearing impairment.
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Organ of Corti
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A condition in which conductive hearing loss occurs as a result of gradual hardening of the foot plate of the stapes is identified as:
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otosclerosis
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An individual who may act irritable or show a startle reflex when hearing a raised voice is demonstrating
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recruitment
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Mrs. Saturen is a 53-year-old patient who comes to the clinic for a routine follow-up examination. During your assessment, you notice the patient behaves in a manner that is a clue to the possibility of hearing loss. What behavior did you observe?
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the patient's voice had a flat, monotonous tone
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The eardrum is connected to which of the middle ear ossicles?
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malleus
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Mr. and Mrs. Caper bring their son to the office for a routine examination. What would best describe ears that appear larger than expected (> 10 cm vertically)?
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macrotia
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During examination of a 39-year-old female patient, you ask her to swallow while holding her nose (insufflation). This procedure is performed to assess the:
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mobility of the tympanic membrane
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When testing the hearing of a newborn infant, what responses should you observe after the examiner makes a loud noise, such as a hand-clap?
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the infant displays the startle (Moro) reflex
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Which of the following separates the middle ear from the external ear?
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tympanic membrane
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The nasopharynx is connected to the middle ear by the:
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eustachian tube
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The middle ear functions to:
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reduce amplification of sound to protect the inner ear
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The vestibule and the semicircular canals of the inner ear are primarily responsible for:
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equilibrium
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Binaural interaction at the level of the brain stem permits what to occur?
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identification and localization of the direction of the sound
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Bone conduction of sound permits direct transmission of sound from the bone to:
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CN VIII
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Mr. Scotts is a 38-year-old patient who was diagnosed with a perforated tympanic membrane in the emergency room. He comes to the clinic for follow-up. An individual with this condition is at risk for experiencing what type of hearing loss?
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conductive
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What individuals would be most at risk for developing presbycusis?
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A 75-year-old individual who lives in an assisted-living apartment
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Mrs. Oliver is a 52-year-old patient who complains of hearing loss. During your assessment, you determine that she has tinnitus. What must the examiner consider as possible causes?
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medications
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what order should you do the ear exam in?
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inspection
otoscopic exam palpation hearing tests |
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ears smaller than 4cm vertically
is called |
microtia
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ears larger than 10cm veritcally
is called |
macrotia
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pain with auricle movement occurs with what?
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otitis externa and furuncle
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pain at the mastoid process occurs with what?
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mastoiditis or lymphadentitis
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absence or closure of the ear canal
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atresia
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purulent otorrhea suggests what?
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otitis externa or media if the drum has ruptured
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light reflex where on the tympanic membrane?
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5 o'clock in the right ear
7 o'clock in the left |
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yellow-amber colored drum occurs with what?
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otitis media with effusion
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red colored drum occurs with what?
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acute otitis media
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air/fluid level or air bubbles behind drum indicate what?
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otitis media with effusion
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perforation of the TM shows as what?
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a dark oval area or as a larger opening on the drum
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Weber test
tests for |
sound lateralization (sounds louder in the ear with lateralization)
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Rinne test
normals |
AC > BC
2 : 1 |
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Romberg test
tests what? |
the ability of the vestibular apparatus in the inner ear to help maintain standing balance
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low set ears or deviation in alignment
may indicate what? |
retardation
a genitourinary malformation |
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ears should be positioned within how many degrees of vertical
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10*
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what direction do you pull the adult pinna?
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up and back
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what direction do you pull the child pinna?
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straight down
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newborn
hearing acuity |
startle (Moro) reflex
acoustic blink reflex |
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3 to 4 months
hearing acuity |
acoustic blink reflex
infant stops movement and "listens" halts suckling cries/stops crying |
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6 to 8 months
hearing acuity |
turns head to localize sounds
responds to own name |
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no intelligent speech by what age is abnormal?
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2 years
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frostbite
symptoms |
reddish blue discoloration and swelling of auricle
ear necrosis may ensue |
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otitis externa
symptoms |
swimmer's ear
severe painful movement of pinna and tragus |
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otitis externa
causes |
infection of the outer ear
prevent by using rubbing alcohol or 2% acetic acid eardrops |
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branchial remnant and ear deformity
symptoms |
skin tag
occur mostly in preauricular area |
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if skin tags are bilateral, there is an increased risk of what?
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renal anomalies
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cerebrospinal fluid otorrhea
symptoms |
oily fluid
tests positive for glucose |
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sebaceous cysts
symptoms |
commonly behind lobule
nodule filled with central black punctum indicates locked sebaceous gland filled with waxy sebaceous materal often multiple |
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sebaceous gland
causes |
blocked sebaceous gland
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tophi
symptoms |
small, whitish-yellow, hard, nontender nodules in or near helix or antihelix
contain greasy, chalky material of uric acid crystals |
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tophi causes
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gout
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chondrodermatitis nodularis helicus
symptoms |
painful nodules on the rim of the helix
small, indurated, dull red, poorly defined, very painful |
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chondrodermatitis nodularis helicus
causes |
repetitive mechanical pressure or environmental trauma
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keloid
symptoms |
overgrowth of scar tissue
common in dark-skinned people at ear, most common at lobule at the site of a pierced ear |
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keloid
causes |
scar tissue
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carcinoma
symptoms |
ulcerated crusted nodule with indurated base that fails to heal
bleeds intermittently refer for biopsy |
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osteoma
symptom |
single, stony hard, rounded nodule that obsures the drum
nontender overlying skin appears normal attached to inner third, the bony part, of canal benign |
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exostosis
symptoms |
more common than osteoma
small,body hard, rounded nodules of hypertrophic bone, covered with normal epithelium arise near drum but usually do not obstruct the view |
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furuncle
symptoms |
painful, reddened, infected hair follicles
occur on tragus or on cartilaginous part of ear canal |
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polyp
symptoms |
redder than surrounding skin
bleeds easily foul, purulent discharge |
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polyp
causes |
chronic ear disease
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yellow-amber color of ear drum
indicates what? |
serum or pus
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prominent landmarks of ear drum
indicates what? |
retraction of drum
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air/fluid level or air bubbles of ear drum
indicates what? |
serous fluid
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absent or distorted light reflex of ear drum
indicates what? |
bulging of eardrum
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bright red color of ear drum
indicates what? |
infection in middle ear
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blue or dark red color of ear drum
indicates what? |
blood behind drum
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dark oval areas of ear drum
indicates what? |
perforation
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white dense areas of ear drum
indicates what? |
scarring
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diminished or absent landmarks of ear drum
indicates what? |
thickened drum
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black or white dots on drum or canal
indicates what? |
colony of growth
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yellow-amber color of ear drum
suggested condition |
serous otitis media
chronic otitis media |
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prominent landmarks of ear drum
suggested condition |
negative pressure in middle ear from an obstructed EUSTACHIAN tube
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air/fluid level or air bubbles
suggested condition |
serous otitis media
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absent or distorted light reflexes of ear drum
suggested condition |
acute otitis media
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bright red color of ear drum
suggested condition |
acute purulent otitis media
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blue or dark red color of ear drum
suggested condition |
trauma
skull fracture |
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dark oval areas of ear drum
suggested condition |
drum rupture
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white dense areas of ear drum
suggested condition |
sequelae of infections
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diminished or absent landmarks of ear drum
suggested condition |
chronic otitis media
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black or white dots on drum or canal
suggested condition |
fungal infection
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Weber test
sound lateralizes to which ear? |
the better ear
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3 parts of the ear
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external
middle inner |
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function of the external auditory canal
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funnels soundwaves into the ear
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function of middle ear
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transmit soundwaves to inner ear
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parts of the middle ear
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malleus
incus stapes |
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infection of the bony labyrinth causes what?
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dizziness
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function of the cochlea
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transmit sound waves from inner ear to CN VIII (8)
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the main organ of hearing
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organ of corti
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which nerve is responsible for hearing?
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CN VIII (8)
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a mechanical dysfunction of the external or middle ear is what kind of hearing loss?
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conductive
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presbycusis may cause what kind of hearing loss?
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sensorineural
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how might the TM appear in a newborn?
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thick and opaque
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describe the eustachian tube in the infant?
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shorter & wider
more horizontal |
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common cause of conductive hearing loss in young adults
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otosclerosis
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decreased/fixed mobility of ossicles
is called what? |
otosclerosis
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a gradual sensorineural loss caused by nerve degeneration in the inner ear or auditory nerve
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presbycusis
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otitis media incidence is higher in what groups of people?
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Native Americans
Hispanics Alaskan |
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middle ear infection
is also known as |
otitis media
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hearing loss is highest among what group?
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Mexicans
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if maternal rubella occurs during the first trimester of pregnancy, it can damage what?
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the organ of carti
impairs hearing |
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aminglycosides, if taken in the first trimester, can can affect the fetus how?
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hearing loss
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tinnitus
can be caused by what medications? |
non-steroidal anti inflammatories
aspirin aminoglycosides certain antibiotics |
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when it feels like the ROOM spins, it is what kind of vertigo?
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objective
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when it feels like the PERSON spins, it is what kind of vertigo?
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subjective
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what is considered recurrent otitis media in infants?
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3 episodes in 3 months
4 episodes in a year |