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Inservice BV > inservice > Flashcards

inservice Flashcards

1
Q

Length of time for battery to cause caustic injury

A

As little as two hours.

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2
Q

Ptosis w too much botox, give what medication

A

Apraclonidine -> alpha 2 agonist gets 1-2mm additional lid elevation

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3
Q

Most common IgG deficiency in children? Adults?

A

-IgG2 leads to infections w encapsulated bacteria eg H flu, S pneumo, Klebsiella -Adults IgG3

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4
Q

Over past 10 yrs, what % of OPCa’s are attributed to HPV

A

*60%

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5
Q

Z plasties, length and angles

A
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6
Q

rollover is indicative of what condition?

A

Vestibular schwannoma

-rollover is when speech discrim gets worse with higher signal intensity

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7
Q

How many hair cells per cochlear nerve?

A

10 outer hair cells per efferent nerve

10 afferent nerves per 1 inner hair cell

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8
Q

Ideal upper eyelid crease in women? men?

A

women - 8-11mm

men 6-9mm

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9
Q

What age are auditory brainstem implants approved for?

A

12yrs and older

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10
Q

What is a positive Queckestedt’s test?

A
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11
Q

Development timeline of sinuses?

A
  • The maxillary sinus develops first in utero
  • The ethmoids are the most developed at birth
  • The sphenoid starts to develop at 3 yo
  • The frontal sinus starts to develop at 5yo
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12
Q

Most common bug involved with cavernous sinus thrombosis?

A

S Aureus

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13
Q

What anomaly is associated with an absent foramen spinosum and middle meningeal artery?

A

*persistent stapedial artery

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14
Q

OSHA levels?

A
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15
Q

MCC bug assc with malig OE? fungal?

A
  • Pseudonomas
  • Aspergillus
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16
Q

MCC congenital facial palsy?

A

Congenital lower lip palsy syndrome

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17
Q

Congenital b/l facial paralysis and abducens palsy?

A

Mobius syndrome

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18
Q

EBV is RF for what ca’s?

A
  • NPCa
  • salivary gland ca
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19
Q

Salted foods are a risk for what ca’s?

A

NPCa

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20
Q

Eponym for Branchial oto renal syndrome?

A

Melnick Fraser

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21
Q

Dose of epinephrine for anaphalyxis

A

-0.3cc IM every 5-15 min

22
Q

Treatment of hyperthyroidism in preggers?

A
  • Propylthiouracial in 1st trimester (methimazole assc w aplasia cutis)
  • Then methimazole (PTU assc w liver damage)
23
Q

NF2 inheritance pattern?

A

AD

24
Q

When to mask on an audiogram?

A
  • >40db difference on circumaural headset
  • >70dB difference of intraaural headset.
25
Q

Treatment of RLS?

A

-Dopamine agonists eg pramipaxole, ropinirole, bromocriptine

26
Q

What lab value assc w narcolepsy?

Differences in their sleep studies?

A

*low CSF hypcretin

*increased stage 1, sleep latency less than 8 min

27
Q

When to be suspicious of malingering score for UPSIT?

A

<5

  • Anosmia is 5-18
  • Hyposmia is 19-33
28
Q

Ideal TSH level prior to radio-iodine therapy

A

*30mg/dL

-therefore off thyroid meds for 2-4 wks w low iodine diet.

29
Q

Baker Gordon peel

A

*Deep peel

-Contains liquid soap, 88% phenol, water, croton oil

30
Q

-MCC age of Recurrent parotitis of childhood and Tx?

A

*3-6yo

-resolves usu by teens therefore conservative management and abx

31
Q

Wound strengthe timeline

A

*3% at one week

*20% at 3 wks

*80% at 3 mo’s

32
Q

Inheritance pattern of connexin 26

A

*AR

33
Q

What drains into the maxillary vein?

Where does the submucosal plexus drain?

A

*pterygoid plexus

*facial, ophthalmic, and sphenopalatine vein

34
Q

Components of the internal valve?

A

*upper lat, inf turb, septum, piriform aperture

35
Q

Cogan syndrome

A

Cochlear deafness

Ophthalmic issue (interstitial keratitis

Glucocorticoids for tx

Aortic involvement

Nerve deafness/dizziness

(It’s an AI disorder)

36
Q
A
37
Q
A
38
Q

CI’s for hemilaryngectomy?

A

*piriform sinus involvement

*Proximity to the cricopharyngeus

*post cricoid region

*ipsilateral cord paralysis

39
Q

Tx of hypercalcemic crisis?

A

*2-4 L of fluids

  • Loop diuretic
  • Bisphosphonate
  • calcitonin

-

40
Q

Minimum thickness of melanoma where you should consider sentinel node bx?

A

0.75 mm

41
Q

Treatment of malingnant hyperthermia?

A

Sodium dantrolene

-push a minimum of 1mg/kg until symptoms stop or max dose of 10mg/kg

42
Q

CI’s for gamma knife for vestibular schwannoma

A

tumor >3cm can lead to obstructive hydrocephalus.

43
Q

Mitomycin C MOA and concentration?

A

DNA crosslinker

0.4mg/ml

44
Q

Cotton myer grading for subglottic stenosis?

A

Grade 1: 0-50%

Grade 2:50-70%

3: 70-99
4: complete

45
Q

When is a neck dissection indicated in salivary ca?

A

*Mass >4cm

*high grade pathology except adenoid cystic

*nodal disease

*adenoid cystic has rare neck mets and therefore rarely needs neck dissection.

46
Q

Optimal time to dermabrade scars?

A

6-8 wks

47
Q

Metabolization of local anesthetics?

A

Amides are metabolized by liver

Esters are metabolized by psueocholinesterase

  • amides have two i’s in name
  • esters have one i in name
48
Q

Freidman staging for OSA surgery?

A

Stage I 80% success

Stage II 40% success

Stage III 8% success

49
Q

Sinus tumor staging?

A
50
Q

Medications that can cause tinnitus?

A

ASA, neomycin, furesomide, quinine, vanco

Inservice BV (3 decks)

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