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18 Cards in this Set
- Front
- Back
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1. Conductive Hearing loss?
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a. Hearing loss caused by disorders of the outer ear (external auditory canal atresia and otitis externa) or middle ear (otitis media and cholesteatoma).
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2. Retrocochlear (Central) Hearing Loss?
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a. Hearing loss caused by deficits in the auditory nerve or central auditory nervous system.
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3. Sensorineural hearing loss (SNHL)?
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a. Hearing loss caused by cochlea disorders (damage from infection, noise, ototoxic agents, or genetic defects).
b. Can be congenital or acquired! c. Approximately half of SNHL cases result from genetic factors. |
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4. 3 Most common Autosomal Dominant causes of Sensorineural hearing loss (SNHL)?
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a. Waardenburg syndromes types I and II
b. Branchio-oto-renal syndrome |
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5. Waardenburg syndromes types I and II?
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a. Partial albinism (often a white forelock)
b. Deafness c. Lateral displacement of the inner canthi d. Heterochromic irises e. Medial eyebrow flare f. Broad nasal bridge and Mandible |
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6. Features of Branchio-oto-renal syndrome?
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a. Hearing impairment
b. Preauricular pits c. Branchial fistulas d. Renal impairment e. External ear abnormalities. |
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7. Most common infectious cause of congenital Sensorineural hearing loss (SNHL)?
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a. Prenatal CMV infection.
b. It can also cause hearing loss later in infancy and childhood. |
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8. Other infectious conditions which can lead to congenital Sensorineural hearing loss (SNHL)?
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a. Toxoplasmosis
b. Rubella c. Syphilis |
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9. 2 Postnatal infections associated w/ Sensorineural hearing loss (SNHL)?
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1. Group B strep sepsis
2. Strep pneumoniae meningitis. b. Hemophilus meningitis, mumps, measles, and rubella were common causes prior to vaccines. |
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10. Pharmacologic causes of Sensorineural hearing loss (SNHL) with in utero or postnatal exposure?
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a. Aminoglycosides
b. Loop diuretics c. Chemo agents (Cisplatin) |
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11. Chemical causes of Sensorineural hearing loss (SNHL) with in utero or postnatal exposure?
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a. Lead
b. Arsenic c. Quinine |
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12. What is believed to enhance communication skill and academic performance with respect to hearing loss?
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a. Early intervention.
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13. When are babbling sounds such as “baba” and “dada” usually seen by?
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a. 9 months of age.
b. These are normal precursors to language development. |
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14. Hearing loss type seen in otitis media with effusion.
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14. Hearing loss type seen in otitis media with effusion.
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15. Otoscopy w/insufflation?
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a. Gently blowing air into the ear canal to determine tympanic membrane movement)
b. It is helpful for qualitative evaluation of middle ear effusion |
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16. Tympanometry?
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a. A reliable, quantitative tool for assessing middle ear effusion.
b. If there is conductive hearing loss, further evaluation is indicated. |
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17. Note: Syndromes associated w/renal abnormalities have a higher incidence of hearing loss.
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17. Note: Syndromes associated w/renal abnormalities have a higher incidence of hearing loss.
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18. When is universal hearing screening recommended?
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a. At birth.
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