Otosclerosis
Baileys 143 - Otosclerosis answer appropriately
- 1.Otosclerosis is genetically transmitted by
- A.
Autosomal dominance with complete penetrance
- B.
Autosomal dominance with incomplete penetrance
- C.
Autosomal recessive with complete penetrance
- D.
Autosomal recessive with incomplete penetrance
- 2.What is the percentage of patients in which there is increased vascularity of the cochlear promontory in the early phase of OS?
- A.
10%
- B.
20%
- C.
30%
- D.
40%
- 3.A patient presents for their post-op visit following stapedotomy for otoslclerosis. They are complaining of severe SNHL. What diagnosis was most likely missed on initial evaluation prior to surgery?
- A.
Prior Hx of skullbase fracture
- B.
Acoustic Neuroma
- C.
Meniere disease
- D.
Semicircular Canal Dehiscence
- 4.A patient with suspected otosclerosis presents to your office for testing. What may be a characteristic finding on audiogram?
- A.
Normal speech discrims, 5dB loss at 2000Hz and 20dB loss at 500 and 4000Hz
- B.
Abnormal speech discrims,20dB loss at 2000Hz and 5dB loss at 500 and 4000Hz
- C.
Abnormal speech discrims, 5dB loss at 2000Hz and 20dB loss at 500 and 4000Hz
- D.
Normal speech discrims, 20dB loss at 2000Hz and 5dB loss at 500 and 4000Hz
- 5.Your patient is currently being treated medically with sodium fluoride for otosclerosis and presents with complaints of nausea, what is your next step in management?
- A.
Discontinue medication
- B.
Lower dose of medication
- C.
Recommend taking medication with food
- D.
Recommend taking medication at night
- 6.What patient has the least amount of risk in complications from stapedectomy?
- A.
75 y/o female with HTN
- B.
25 y/o female scuba diver
- C.
6 y/o female with congenital footplate fixation
- D.
40 y/o female chef
- 7.What is the minimum amount of time to wait before attempting a stapedectomy on the second ear?
- A.
2 months
- B.
4 months
- C.
6 months
- D.
12 months
- 8.What is the risk of postoperative deafness in stapedectomy?
- A.
2%
- B.
4%
- C.
6%
- D.
8%
- 9.The artery that courses in the obturator foramen of the stapes is the embryologic remnant of the _____
- A.
First branchial arch
- B.
Second branchial arch
- C.
Third branchial arch
- D.
Fourth branchial arch
- 10.A profuse perilymph gusher secondary to a patent cochlear aqueduct is seen more frequently which side?
- A.
Left
- B.
Right
- 11.A patient post-op stapedectomy is in your office a week after surgery. They complain that their hearing was better and now is worse. Audiogram confirms MHL severe in the high frequencies. What complication is suspected?
- A.
Acute otitis media
- B.
OW fistula
- C.
TM perforation
- D.
Reparative granuloma
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