ENT Flashcards

1
Q

Risk factors for ROP

A

Pre-natal like low birth weights, preterm, postnatal like exposure to oxygen, postnatal weight gain

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2
Q

Average palatal index in neonates

A

0.3

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3
Q

Most common cause of asymmetric crying facies

A

Hypoplasia of depressor anguli oris muscle

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4
Q

Single risk factor that can cause ROp in preterm newborns in the absence of other anomalies is

A

Abnormal oxygen environment

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5
Q

Which syndrome is associated with upper eyelid coloboma ?

A

Goldenhar goloboma

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6
Q

What needs to happen before cochlear implants are placed ?

A

Trial period with hearing aids to determine potential benefit

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7
Q

If you receive bevacizumab for ROP, what is the follow up rec ?

A

Close follow up between 45-55 weeks PMA and continued exam to at least 65 weeks PMA

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8
Q

The cystic form of lymphangioma of macro cystic dilatations is most often localized in the region of the ?

A

Head and neck

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9
Q

Vascular malformations that are present at birth may enlarge suddenly if there is what?

A

Hemorrhage or thrombosis and result in acute respiratory distress

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10
Q

When do babies need one week ROP follow up?

A

the highest risk eyes need one week: retinal vessels extending only into zone one, eyes that have low stage ROp in zone 1, or eyes with any stage 3 ROP

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11
Q

What nutritional preventative measure has been shown to be comparable to anti VEGF in reducing neovascularization?

A

Omega 3 fatty acids (in mice)

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12
Q

Tell tale skill set deficiency associated with cognitive visual dysfunction (CVD) is what

A

Difficulty establishing the correct pencil grip

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13
Q

What type of embryonic cells migrate from the anterior skull base to form the bony cartilage skull base and nasal vaults ?

A

Neural crest cells

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14
Q

Stages of ROP

A

1- flat line or demarcation between vascular and avascular retina
2- line becomes ridge, vessels still within retina
3- neovascularization in ridge and vascularization beyond retina
4- partial retinal detachment
5- complete detachment

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15
Q

One of the most common nasal masses is a x cyst which may have no effect on nasal breathing unless an intranasal component is present

A

Dermoid

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16
Q

When is ablative therapy considered for ROP?

A

Type 1 ROP:
ZONE 1, stage 3 or with plus
Zone 2, stage 2 or 3 with plus

17
Q

The nasal maldevelopment most likely to be associated with holoprosencephaly is

A

Pyriform aperture stenosis

18
Q

Which gene accounts for up to 50 percent of cases of non syndromic sensory neural hearing loss ?

A

GJB2 grandad James Bond is deaf

19
Q

At what GA does the vaso proliferative stage of ROP happen?

A

36-38 weeks

20
Q

Charge syndrome stands for

A

Coloboma or cranial nerve deficits
Heart defects
Atresia of choanae
Retardation of growth and development
GU anomalies
Ear malformations and hearing loss

21
Q

What’s the data comparing laser to becluzimab for ROP?

A

I-higher mortality for med so need more safety and efficacy trials

22
Q

Which nasal cyst may contain hair follicles and sebaceous glands ?

A

Dermoid cyst

23
Q

The pupillary light response is first evident at what GA?

A

31 weeks

24
Q

The most common cause of unilateral vocal cord paralysis is

A

Cardiac surgery

25
Q

The last post menstrual age to assess retinal vascularization in the absence of ROP is

A

45 weeks

26
Q

What is the mechanism of hearing loss in that related to mitochondrial mutations and aminoglycosides?

A

The antibiotic inhibits mitochondrial protein synthesis resulting in less ATP in cochlear cells

27
Q

What are the two most common risk factors for nasal deviation after vaginal delivery?

A

Increased birth weight and primigravity

28
Q

Dark spots in both eyes during routine red reflex exam?

A

Congenital cataracts. It’s dark in catarata del iguazu

29
Q

The only oral muscle innervated by the cervical branch of the facial nerve

A

Platysma

30
Q

Most common cause of bilateral vocal cord paralysis

A

Idiopathic vocal cord adductor muscle hyperactivity

31
Q

Which growth factor is part of the algorithm to predict ROP threshold?

A

Insulin like growth factor

32
Q

Percentage of cleft lip with or without cleft palate detected prenatal via US is

A

30%