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UWorld Questions Flashcards

1
Q

Elevated capillary wedge pressure and right atrial pressure

A

left sided HF leading to right sided HF

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2
Q

Membranoproliferative glomerulonephritis etiology

A 
C3 deposition (type II is dense deposit disease
caused by persistent activation of alternative pathway
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3
Q

Valley fever cause

A

coccidiomycosis

pneumonia, erythema nodosum/multiforme, arthralgias

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4
Q

Wenebach is which type of heart block

A

Mobitz type I

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5
Q

Mobitz II is due to defect where

A

his-purkinje

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6
Q

Mobitz I due to defect where

A

AV node

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7
Q

Tx acetaminophen overdose

A

activated charcoal within 4 hr

acetaminophen level

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8
Q

Systemic sclerosis antibodies

A

anti-topo I

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9
Q

Tx of actinomyces

A

PCN

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10
Q

Pulmonary wedge pressure approximates what

A

LA pressure (useful in assessing volume overload)

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11
Q

Bullous pemphigoid etiology

A

hemidesmosomes

tense blisters

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12
Q

Tumor lysis syndrome lytes

A

hyperkalemia
hyperphosphatemia
hypocalcemia (phos binds it and precipitates it out)

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13
Q

Progressive multifocal leukoencephalopathy etiology

A

JC virus

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14
Q

Tx narrow complex tachycardia and unstable

A

synchronized cardioversion

shocks at QRS

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15
Q

Tetanus toxin mechanism

A

blocks glycine release

no inhibition possible

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16
Q

Common variable immunodeficiency

A

severely decreased IgG
low IgM and IgA
very susceptible to many infections

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17
Q

PPx in renal transplant pts

A

TMP-SMX for 6-12 mo

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18
Q

Tx of legionella infection

A

levofloxicin

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19
Q

Sx of legionella infection

A

pneumonia
GI upset
neuro sx
hyponatremia

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20
Q

Renal stones
when to use HCTZ
when to use potassium citrate

A

HCTZ: calcium stones (reduces Ca2+ excretion)

K citrate: uric acid stones, alkalinizes urine

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21
Q

Afib ectopic origin

A

pulmonary veins

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22
Q

Aflutter ectopic origin

A

tricuspid valve

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23
Q

Transudate vs exudate in pleural effusion

A

pleural/serum of protein and LDH
<0.5 is transudate
>0.5 is exudate

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24
Q

COPD survival: stop smoking and

A

long term oxygen therapy

if patient qualifies

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25
How to prevent flushing due to niacin
aspirin! | caused by prostaglandin release
26
Haptoglobin in hemolysis
decreased! | it binds the free hgb
27
Necrotizing otitis externa tx
cipro | due to pseudomonas
28
Tox of epo
HTN
29
Superficial thrombophlebitis what to look for
pancreatic cancer
30
When can you no longer give live vaccines in HIV?
<200
31
When to do something about a positive tuberculin skin test
>5 high risk >10 mod risk >15 everyone
32
How does adenosine work in stress test
vasodilator
33
Which OH does kidney add to vit D
1
34
Transcutaneous pacing used when
symptomatic bradycardia
35
Bronchiectasis etiology
recurrent infections
36
Dx bronchiectasis
HRCT | bronchial wall thickening
37
Niacin used to
decrease triglyceride
38
Poison ivy allergic or irrtant
allergic (type IV hypersensitivity)
39
Management of narrow complex tachycardia
adenosine
40
Neoadjuct therapy given when
before standard therapy | radiation before surgery
41
Calcium oxalate crystals are associated with
ethylene glycol poisoning | fomepazil-inhibits alcohol dehydrogenase, sodium bicarb-fixes acidosis, dialysis for severe
42
Paroxysmal tachycardia in young person due to
AVNRT | vagal maneuvers result in slower AV conduction
43
Trimethoprim tox
hyperkalemia | acts like K-sparing diuretic
44
Pulmonary miliary TB
reticuloendothelial lacing | may also affect liver
45
Akylosing spondylosis sx
pain at multiple joints
46
B12 deficiency due to terminal ileum damage or
gastrectomy (due to loss of IF)
47
Adhesive capsulitis definition
decrease >50% of passive and active ROM
48
Echinococcus granulosus is carried by
dogs | human liver cysts
49
Hydroxychloroquine tox
retinopathy
50
Tx of 1˚ biliary cirrhosis
ursodeoxycholic acid
51
Abx for human bite wound
augmentin
52
What precipitates pseudo gout
hyperparathyroidism
53
Anesthetic hypopigmented lesions caused by
LEPROSY
54
Sx HCV
arthralgias, renal failure (both due to cryo), also low C4 levels
55
Anticoagulation in CKD
unfractionated heparin | then transition to warfarin
56
Hypertrophic osteoarthropathy is associated with
lung malignancy
57
Red vascular lesions on the abdomen
cherry angiomas
58
When do strawberry hemangiomas occur
infancy
59
High aldo effect on bicarb
increases bicarb
60
Is there blasts in MN
YES IT'S BLASTO
61
Lambert-Eaton syndrome Ab against
pre-synaptic calcium channels
62
Dermatomyositis/polymyosisitis weakness
proximal
63
ITP can cause platelets to go how low
SUPER low
64
Drugs that cause priapism
trazadone | prazosin
65
Obesity hypoventilation syndrome
hypercapnia --> acidosis bicarb retention to compensate decreased Cl to balance
66
Lynch syndrome cancers
colon endometrial ovarian
67
Cyclophosphamide toxicity
bladder carcinoma, hemorrhagic cystitis with prolonged use
68
When do diabetics start statin therapy
age 40
69
Vit D deficiency effect on PTH, Ca, and Phos
high PTH | low Ca and Phos
70
SCC/BCC affect which lip
SCC: lower BCC: upper
71
Bx site for amyloid
abdominal fat pad
72
Sx of babesiosis
systemic sx + hemolysis | dx on blood smear
73
Tx nocardia
TMP-SMX
74
When to use IVC filters
when anticoagulation is contraindicated
75
Nitro toxicity
cyanide poisoning

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