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Psych UWORLD > march 29 > Flashcards

march 29 Flashcards

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1
Q

what causes miliary tuberculosis?

A

hematogenous spread of M. tuberculosis

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2
Q

what will a chest xray look like in someone with miliary tuberculosis?

A

‘millet seed’ - diffuse reticulonodular pattern

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3
Q

most causes of mycoplasma pneumonia are limited to ____ weeks

A

2-3

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4
Q

autonomic dysfunction can occur in GBS TRUE OR FALSE

A

TRUE

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5
Q

Possible skin findings in a patient with amyloidosos?

A

periorbital purpura, waxy skin, macroglossia

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6
Q

renal complication of amyloidosis?

A

nephrotic syndrome

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7
Q

does systemic sclerosis commonly cause nephrotic sydnrome?

A

no - more likely to be mild proteinuria

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8
Q

which patients with carotid stenosis should be treated?

A

ALLL OF THEM

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9
Q

how to treat a patient who is asymptomatic with <80% carotid stenosis?

A

MEDICALLY - antiplatelet and statin

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10
Q

Patients with symptomatic stenosis and over 70% carotid stenosis should be treated how?

A

with carotid endarterectomy

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11
Q

renal manifestation of mixed cryoglobulinemia?

A

Glomeruloneprhitis

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12
Q

mixed cryoglobulinemia is associated with which infection?

A

hep C

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13
Q

clinical manifestations of mixed cryoglobulinemia?

A 
palpable purpura
peripheral neuropathy
althralgies
liver damage
glomerulonephritis
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14
Q

who should receive pertusiss prophylaxis?

A

everyone who was a close contact and high-risk people with minimal contact (pregnant, immunocompromised)

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15
Q

how do you provide post-exposure prophylaxis for pertussis?

A

macrolides (regardless of vaccination status)

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16
Q

what causes babesiosis?

A

babesia microti

17
Q

what causes erlichiosis?

A

erlichia and anaplasma

18
Q

who is at greater risk of illness from babesiosis?

A

older age and those with previous splenectomy

19
Q

clinical features of babesiosis?

A
  • fever, fatigue, myalgias, headache
  • anemia, thrombocytopenia, increased bilirubin (hemolysis)
  • DIC, ARDS, CHF, splenic rupture
20
Q

where does babesiosis replicate?

A

RBCs

21
Q

what is seen on a blood smear in a patient with babesiosis?

A

maltese cross

22
Q

treatment of babesisoisis?

A

atovaquone plus azithromycin OR quinine plus clindamycin

23
Q

how does trimethroprin effect the kidneys?

A

inhibits eNAC

24
Q

which electrolyte disturbance worsen hepatic encephalopathy?

A

hypokalemia (causes a cellular shift with H which results in increased ammonia production)

25
Q

which acid base disturbance worsens hepatic encephalopathy?

A

metabolic alkalosis (promotes conversion of NH4 to NH3)

26
Q

restricting intake of ____ helps prevent calcium kidney stones

A

sodium

27
Q

why does restricting sodium help prevent calcium kidney stones?

A

Na is reabsorbed int he kidneys with Ca.

If they is less Na available, Na and Ca will get reabsorbed instead of staying in the tubules.

28
Q

high ___ intake helps prevent calcium kideny stones

A

potassium

29
Q

A cross sectional study may underestimate the prevalance of ___ conditions

A

rapidly fatal

30
Q

how does thyroid hormone effect the bones?

A

increases osteoclast activity -> increased bone resorption

31
Q

A patient has a suspected rheumatoid arthritis but the RF was negative. What next?

A

Check for cyclic citrullinated peptide antibodies

32
Q

what causes cannon A waves seen in JVP?

A

when the right atrium contracts against a closed tricuspid valve (the chambers arent working together)

33
Q

Speech should be 100% intelligible by age …

A

4

34
Q

acute liver failure will result in transaminases greater than…

A

1000

35
Q

Treatment of someone with acute liver failure?

A

transplant

36
Q

presentation of systemic sclerodermia, renal crisis?

A
  • sudden onset renal failure
  • malignant hypertension
  • DIC, micropathic hemolytic anemia and thrombocytopenia

Psych UWORLD (8 decks)

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