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uworld3 Flashcards

1
Q

oral white plaque precursor to squamous cell carc

A

leukoplakia

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2
Q

cause of cyanosis when feeding that’s relieved when crying

A

choanal atresia- failure of posterior nasal passage to canalaize

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3
Q

subluxation of radial head (nursemaid’s elbow) treatment

A

hyperpronation of forearm

or spinate forearm and flex elbow (more painful)

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4
Q

can you have MDD after bereavement episode?

A

yes!

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5
Q

bright red exophytic nodule in HIV patient is…and treated how…

A

bacillary angiomatosis (bartonella)

oral erythromycin

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6
Q

most common complication of sickle cell trait

A

painless hematuria

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7
Q

prostate dz that causes irritative voiding sxs, pain with ejaculation, and back pain

A

chronic prostatitis/chronic pelvic pain syndrome

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8
Q

elderly patient with severe ear pain exacerbated by chewing, and drainage is caused by what and treated with what

A

malignant (necrotizing) otitis externa - pseudomonas

IV cipro

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9
Q

genu varum

A

bow-legged (rickets)

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10
Q

rickets characteristics

A

genu varum

costochrondral joint hypertrophy

large anterior fontanell

craniotabes

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11
Q

differentiating SCID, Bruton, and CVID

A

SCID: low T cells and B cells

Bruton: absent B cells, low Igs, nl T cells

CVID: low Igs, nl T and B cell counts, less severe and older than Bruton

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12
Q

what has better survival for ESRD? HD or transplant?

A

transplant

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13
Q

free floating bowel in amniotic sac

A

gastroschisis

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14
Q

postcoital bleeding, mucopurulent discharge, friable cervix

A

acute cervicitis (gonorrhea/chlamydia)

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15
Q

newborn with resp compromise, absent breath sounds on left, scaphoid abdomen likely has

A

congenital diaphragmatic hernia

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16
Q

manage congnetial diaphragmatic hernia

A

endotracheal intubation

then gastric tube to decompress stomach/bowel

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17
Q

which has prodrome (lightheaded, sweating)- vasovagal or cardiogenic syncope?

A

vasovagal

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18
Q

timing of postpartum blues vs depression

A

blues: 2-3 days, w/in 14
depression: 4-6 weeks, up to 1 year

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19
Q

which post-MI complication would lead to chest pain, profound shock, and rapidly progress to death (5 days out)

A

free wall rupture–> tamponade

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20
Q

interventircular septum rupture post-MI presentation

A

VSD- holosystolic murmur

shock, CP, biventricular failure

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21
Q

post-MI papillary muscle rupture presentation

A

pulm edema

new holosystolic murmur

22
Q

c dif risk factors besides abx

A

PPIs- gastric acid suppression

hospitalization

23
Q

drug interactions with viagra

A

nitrates, alpha blockers (zosins)

24
Q

ppx for malaria

A

mefloquine- 2 weeks before trip, till 4 weeks after

doxy

atovaquone-proguanil

25
order of most common valves to be screwed in infective endocarditis
1. mitral regurg 2. aortic regurg 3. tricuspid regurg-- IV drug users most common
26
how does estrogen and andorgens affect TBG levels
estrogen increases it (by decreasing clearance), androgens decrease
27
how does levo need to be adjusted for estrogen therapy
increase it because increased TBG leads to the need of more exogenous thyroid hormone to saturate it (nl people can just increase their own)
28
which drugs increase TH metabolism
carbamazepine rifampin phenytoin
29
RR interpretation
>1 : pos association <1: neg association the farther from 1, the stronger the association
30
3 days post-CABG: fever, WBCs, mediastinal widening
acute mediastinitis- debride and abx!
31
KB test for Rho
determines dose of Rhogam post-procedures, delivery, etc take sample of mom RBCs- look on slide at remaining fetal hgb post-acid
32
condyloma acuminata vs lata
acum: genital warts HPV lata: syphilis
33
renal and urinary changes in pregnancy
Increased: Renal blood flow, GFR, bm permeability, protein excretion Decreased: serum BUN, Cr
34
dx when you suspect oropharyngeal dysphagia (choking, regurg, cough, aspirating)
videofluoroscopic barium swallow
35
what can confirm dx of fetal demise when fetal doppler doesnt pick up heart beat
transabdominal US
36
which cause of GI bleed? painless, right colon, over 60 yo, associated with renal dz and vWB and AS
angiodyplasia- AVMs and dilated submucosal veins
37
what are best serologies to test for initial hep B infection
HBsAg and IgM anti-HBc (will remain up in window period)
38
PBC complications
HCC vit def --> osteomalacia, porosis
39
which murmur causes hemoptysis/orthopnea/PND and thromboembolic events
mitral stenosis (--> LAE)
40
treat lyme in kids
amoxicillin (tetracylines contra)
41
which med can lead to achilles tendionopathy
fluroquinolone
42
hyper IgM syndrome is a defect in
CD40 (class switching)
43
ipecac purpose
induce vomiting, dont do for toxic ingestions!
44
painless hematochezia in toddler, think...
meckel's diverticulum
45
osteo plantar puncture wounds caused by which bacteria
staph aureus, pseudomonas
46
what labs to order to evaluate female's virilization, and intrepretation
testosterone and DHEAS high T, nl DHEAS: ovarian source high DHEAS: adrenal tumor
47
P2y12 rec blocker
ex. clopidogrel, prasrugel, ticagrelor reduce M&M in NSTEMI
48
meds that caused pill induced esophagiits
tetracyclines bisphosphonates NSAIDs, ASA potassium Cl, iron
49
what is this: 4 month old with macrocytic anemia, craniofacial abnl, low Hgb and reticulocytes, triphalyngeal thumbs, etc
diamond blackfan- defect in erythroid progenitor cells --> apoptosis of RBCs
50
fanconi syndrome
pancytopenic bm failure

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