Exam (elaborations)
NBC-HIS PREP QUESTIONS AND ANSWERS
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NBC-HIS PREP QUESTIONS AND ANSWERS
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NBC-HIS PREP QUESTIONS AND ANSWERSMost common cause of hearing loss at 4000 Hz - Answers- Acoustic Trauma
A mother comes in worried her hearing is worse since the birth of her first kid what is
likely happening - Answers- Otosclerosis
Mumps AKA: Single Sided Deafness - Answers- This pattern is referred to as Single
Sided Deafness or Unilateral Hearing Loss, The key is recognizing this in the case
history. The person should report they have had this for many years or all their life. Still
shows type A tympanogram.The ipsilateral acoustic reflex isn't working properly or is
absent all together.
Sudden Deafness (Sudden Hearing Loss) - Answers- The person will report that the
loss just happened with rapid onset, perhaps overnight or suddenly, You may be the first
to discover this problem, Time is of the essence if there is any hope of hearing recovery.
9/10 people will have unilateral loss and AT LEAST 30dB of loss in 3 connected
frequencies. Steroids and anti-viral medications are used . MUST BE STARTED RIGHT
AWAY (24-48 Hours)
Profound Congenital Loss: - Answers- This pattern is sometimes called a corner
audiogram, this loss is present at birth. Modern day cochlear implant candidate, bone
responses are vibrotactile, very poor speech understanding, may have deaf speech
How does an osteoma present - Answers- Bony growth in external auditory canal
This is a correct answer
Which validation method can be effectively performed in a sound field envoirnment? -
Answers- NU-6
Which sound field test determines the benefit of directional microphones - Answers-
QuickSIN
acoustic impedance - Answers- resistance a material provides to the passage of sound
waves
During otoscopic inspection what is not a contraindication - Answers- Compliance of
the tympanic membrane
What two thing verifies an audiogram - Answers- SRT and PTA have to agree (Must be
within 5-10 decibels of each other
A patient brings his hearing aids in to be cleaned and sets them on the counter what
type of transmission should the receptionist be concerned about - Answers- Indirect
Transmission
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