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UWorld > Uworld 2 Part > Flashcards

Uworld 2 Part Flashcards

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1
Q

Neural crest cells structures ?

A 
MOTEL PASS 
Melanocytes 
Odontoblasts
Tracheal cartilage 
Enterochromafin cells 
Laryngeal cartilage 
Parafollicular cells of the thyroid 
Adrenal medulla and all ganglia 
Schwann cells 
Spiral membrane
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2
Q

Knee of the internal capsule carries ?

A

Corticobulbar fibers

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3
Q

Nitrates

Effect ?

A

Venodilation

⬇️ left ventricular end-diastolic function and wall stress

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4
Q

Matching is used in case-control studies in order to control ?

A

Confounding bias

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5
Q

Cells responsible for the destruction of cells w/ decreased or absent MHC class I proteins on their surfaces ?

A

NATURAL KILLER CELLS

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6
Q

Aspiration pneumonia while lying supine

A

Posterior segments of the upper lobes and superior segments of the lower lobes

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7
Q

Granulomatous destruction of intrahepatic, interlobular bile ducts
Portal tract infiltrate of macrophages, lymphocytes, plasma cells and eosinophils

A

Primary biliary cirrhosis

Fatigue, pruritus, hepatosplenomegaly, cholestasis, hypercholesterolemia

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8
Q

Renal cell carcinoma

Origin ?

A

Epithelial cells of the proximal renal tubules

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9
Q

Pancreatic cholera

Secretory diarrhea

A

Excess VIP ➡️ pancreatic islet cell tumor called vipoma

Watery diarrhea
Hypokalemia
Achlorhydria

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10
Q

Fatigue, pruritus, hepatomegaly, ⬆️ alkaline phosphatase level

A

Cholestatic liver disease

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11
Q

Most specific dx test for acute cholecystitis ?

A

Failed gallbladder visualization on radionuclide biliary scan

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12
Q

Cell surface receptor found on T lymphocytes that destroys cancer cells by T cell capable of recognizing tumor antigens

A

PD-1

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13
Q

Pericarditis
Most common form ?
Most striking physical finding ?

A

Fibrinous or serofibrinous pericarditis

Pericardial friction rub

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14
Q

Fick Principle

CO formula

A

CO = rate of oxigen consumption / A-V oxigen content difference

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15
Q

Unexplained CK elevation

A

Exclude hypothyroidism

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16
Q

Responsible for hypertrophic/keloid scarring and fibrosis of the lung/liver/kidney w/chtonic inflammation

A

TGF-B

17
Q

SMA ^ IMA are connected by:

A

The marginal artery of Drummond

Arc of Riolan

18
Q

Carrier proteins for oxytocin and ADH

A

Neurophysins

19
Q

Allopurinol increase the activity of

A

Azathioprine

20
Q

Drug that increase TGS when used as monotherapy

A

Cholestyramine

UWorld (5 decks)

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