March '22 Flashcards

1
Q

which gastric hormone is hypersecreted, resulting in PUD and pruritus, a common complication of polycythemia vera?

A

histamine

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2
Q

tx of minor bleeding in hemophilia A?

A

topical thrombin

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3
Q

what test will be abnormal in hemophilia B?

A

a PTT

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4
Q

what side effect can patient’s with hemophilia B and inhibitors experience if given factor replacement?

A

anaphylaxis

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5
Q

when does the nadir in the absolute neutrophil count occur after the completion of a chemotherapy session?

A

5-14 days

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6
Q

MCC of drug induced neutropenia in children?

A

due to abx - macrolides, cephalosporins, and penicillins

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7
Q

hyperdense lines at the metaphyses in young children on knee and wrist XR

A

lead lines - chronic lead poisoning

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8
Q

when are hypersegmented neutrophils seen?

A

multiple forms of megaloblastic anemia such as alcohol use, folate deficiency, and vitamin B12 deficiency

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9
Q

microcytic, hypochromic anemia in patient of mediterranean descent

A

thalassemia

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10
Q

crew cut skull XR, chipmunk facies

A

beta thalassemia major

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11
Q

antibiotic best known for causing aplastic anemia

A

chloramphenicol

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12
Q

stable patient getting hives and pruritis shortly after starting blood transfusion - treatment?

A

continue transfusion - give antihistamine as this is likely allergic reaction, unlikely IgA deficiency

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13
Q

Labs of DIC

A

high PT, PTT, thrombin clotting time

low platelets, fibrinogen

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14
Q

acute GI bleed and pt on warfarin - next step?

A

Vit K IV, + FFP

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15
Q

MC gram negative pathogen identified in neutropenic fever?

A

pseudomonas

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16
Q

what are the components of cryoprecipitate?

A

Factors VIII and XIII, vWF, fibrinogen, and fibronectin

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17
Q

lab findings of pleural effusions associated with rheumatoid arthritis

A

low glucose, low pH, and high LDH

18
Q

serum blood test that helps determine the degree of hemolysis

A

haptoglobin

19
Q

electrolyte imbalances caused by blood transfusions

A

hypocalcemia - citrate, an anticoag in RBCs binds serum calcium
hyperK or hypoK

20
Q

classic chest XR findings seen in sarcoidosis?

A

bilateral hilar and paratracheal adenopathy

21
Q

T cell activation such as in contact dermatitis is what hypersensitivity reaction?

A

type IV - delayed cell mediated

22
Q

what skin condition can be accompanied by oil spots on the nails?

A

psoriasis

23
Q

factors contained in 4 factor prothrombin complex concentrate?

A

factors II, VII, IX, and X in addition to protein C and S

24
Q

beta thalassemia major is associated with what other condition?

A

cholelithiasis

25
Q

positive direct antiglobulin testing is concerning for

A

hemolytic transfusion reaction

26
Q

diagnosis of acute chest syndrome requires

A

XR evidence of a consolidation plus fever or respiratory findings

27
Q

MC infectious organism that is also a trigger for SJS and TEN?

A

mycoplasma pneumonia

28
Q

what leukemia puts patients at highest risk for severe complications from hyperleukocytosis?

A

AML

29
Q

MC risk factor for new onset childhood immune thrombocytopenia?

A

viral infection

30
Q

emergent reversal of dabigatran?

A

idarucizumab

31
Q

risk factors for polyarteritis nodosa?

A

recent hep B or C infection, IV drug use

32
Q

treatment of polyarteritis nodosa?

A

glucocorticoids, such as prednisone, more severe cases need cyclophosphamide
if concerning for viral hepatitis, antivirals are first line therapy

32
Q

treatment of polyarteritis nodosa?

A

glucocorticoids, such as prednisone, more severe cases need cyclophosphamide
if concerning for viral hepatitis, antivirals are first line therapy

33
Q

RDW in Fe deficiency anemia?

A

high

34
Q

elevated serum ACE level found in what?

A

sarcoidosis - noncaseating granulomas with the lung being the most commonly affected organ

35
Q

drug most associated with aplastic anemia?

A

phenytoin

36
Q

subtype of endocarditis associated with SLE?

A

libman sacks endocarditis - aseptic verrucous thrombi on heart valves

37
Q

MC immunoglobulin found in multiple myeloma?

A

IgG

38
Q

disorder associated with purpura fulminans?

A

inherited or acquired protein C deficiency

39
Q

differentiate TTP and DIC with labs

A

Pt with TTP will have normal coagulation studies, DIC will have abnormal