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2021 Questions Flashcards

1
Q

P in primary HPTH

A

low phosphate, high calcium

opposite in secondary

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2
Q

What is protein C?

A

strong physiologic anticoagulant

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3
Q

What causes TRALI?

A

leukocyte antibodies in plasma

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4
Q

WPW treatment

A

procainamide

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5
Q

What is methemoglobinemia and what does it do to HgB?

A

oxidized Fe and causes left shift

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6
Q

Why do gases work faster for peds patient?

A

Higher alveolar ventilation

lower FRC

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7
Q

Ketamine IM dose

A

4mg/kg

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8
Q

What drug counteracts HTN meds?

A

ibuprofen

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9
Q

Dantrolene dose and max dose

A

2.5 and 10

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10
Q

What does lateral pharyngeal space abscess present as?

A

horners: miosis, ptosis, anhidrosis

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11
Q

Acute hepatotoxicity with APAP and what other drug?

A

statin

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12
Q

What does substance P do and what is it?

A

vasodilator, neuropeptide

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13
Q

Adenosine MOA

A

purine that blocks AV node by inhibiting adenylyl cyclase

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14
Q

When do elastic recoil of chest and lung equal?

A

FRC

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15
Q

What is volume of distribution dependent on?

A

lipid solubility

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16
Q

What determines onset of marcaine?

A

dissociation constant

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17
Q

What do halogenated anesthetics do to the lung?

A

bronchodilator

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18
Q

What tooth fx is most common?

A

Ellis III

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19
Q

NF angle

A

36-40

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20
Q

Nasal projection in Goode ratio

A

0.55-0.60

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21
Q

Type III nec fasc

A

clostridium

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22
Q

Bite wound closure and irrigation

A

high pressure at least 7 psi

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23
Q

What class increases risk of rebleed in hyphema?

A

3/4

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24
Q

By what mechanism does osteochondroma tumor grow?

A

lichtenstein: metaplastic changes in periosteum lead to osteoblastic and chondroblastic changes

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25
What syndrome does Kleeblattschadel (clover leaf) present in and how does it present?
Pfeiffer type 2, hydrocephalus
26
Tip of nose intervention
external branch of anterior ethmoid
27
What marker is present in TMJ osteoarthritis?
IL-1B, MMP3
28
What does lichen planus histology present as?
t-cell mediated sub-basilar split with lymphocytes
29
Where do neurofibromas present and how do they stain?
peripheral nerves, s100
30
Safe pathologic and clinical margin for SCC
5mm and 1-1.5cm
31
Cisplatin MOA
interferes with DNA crosslinking
32
What is the difference between polylactic acid vs collagen membrane?
immune reaction is seen with PLA
33
Muscle pull in horizontal and vertically unfavorable man fx
masseter in horizontal | M pterygoid in vertical
34
When is adjuvant chemo indicated in SCC?
extracapsular spread +/- positive margins
35
Oral SCC location with highest cervical mets rate
FOM
36
Which has worst predictability for soft tissue graft around implant?
alloderm
37
Superior lateral pterygoid insertion
medial disc and capsule
38
What is Treacher Collins a disruption on?
1st and 2nd branchial arches
39
What type of lever is the mandible?
class III
40
What is sign of condylar parafunction?
collagen
41
Tx for osteosarcoma with positive margin
interarterial chemo
42
How to distinguish GB from periodic familial paralysis
GB- hyponatremic | PFP- hyper/hypokalemic
43
Cardiac complication of OSA
stroke, CHF
44
What happens if TAD hits dentin
external root resorption
45
Peridex decreases PNA by how much?
60%
46
What week do palatal arches fuse at?
6-10 weeks
47
Embryonic origin of junctional epithelium
reduced enamel epithelium
48
What does immediate provisionalization preserve?
marginal soft tissue and crestal bone
49
Anticoagulation for peds and flaps
dextran
50
Apfel risk factors for nausea
female, non smoker, h/p PONV, post op opioids
51
What does sintering of xenograft do?
slows resorption
52
cetuximab MOA
binds to EGF to inhibit tyrosine kinase
53
what does chondrosarcoma stain as?
cdk4
54
cancer stages
T1-S2 T2-S2 T3/N1 (0-3)-S3 T4/N2 (3-6 or multiple)-S4a
55
least likely of IV meds to cause QT prolongation
midazolam
56
Wilkes clinical
``` 1-painless clicking 2-intermittent locking 3-limited opening 4-chronic pain 5-crepitus ```
57
Wilkes radiographic
``` 1-early reduction 2-late reduction 3-non reducing disc 4-osseous changes 5-perforation ```
58
what lab does metabolic syndrome present with?
low HDL
59
Pt with ASA allergy, what can't you give them?
dicoflenac
60
Pradaxa MOA
direct thombin inhibitor
61
How is articaine metabolized?
plasma esterase

ABOMS (2 decks)

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