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UWorld Step 2 CK > Incorrects > Flashcards

Incorrects Flashcards

1
Q

Severe respiratory distress
Cyanosis after Premature birth

Imaging: Didfuse reticulogranular appearance, air bronchograms, low long vol

A

Neonatal respiratory distress syndrome

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2
Q

Pharmacological agents causing idiosyncratic reactions in the liver

A

ISONIAZID
Chlorpromazine
Halothane
Anti-retrovirals

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3
Q

Panlobular mononuclear infiltration and hepatic cell necrosis = pathological state of?

A

Hepatitis

Use labs to differentiate causes
LFT’s for alcoholic
Viral titers for viral causes
Autoimmune is last resort Dx

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4
Q

Age <1 year
Respiratory and/or esophageal symptoms
BIPHASIC STRIDOR
IMPROVES WITH NECK EXTENSION

A

Vascular rings

As opposed to laryngomalacia

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5
Q

MCC of acute bacterial lymphadenitis in children

Violaceous color and sub acute time frame =

A

Staph aureus

Non tuberculous mycobacterium

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6
Q

Patient over 40 with DM type II

Tx?

A

Lifestyle mod + statin

ASCVD >7.5 high intensity statin

<7.5 moderate intensity statin

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7
Q

3 paraneoplastic syndromes affecting muscle and/or peripheral nerves

A

Myasthenia Gravis

Lambert-Eaton

Polymyositis/Dermatomyositis

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8
Q

Severe side effect with anti-thyroid men’s PTU and methimazole?

First step?

A

Agranulocytosis

Stop med at first sign of fever

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9
Q

Type I RTA

Defect?

Urine pH

Serum K

Causes

A

Poor Hydrogen secretion

> 5.5

Low normal K

Genetic, medications, autoimmune

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10
Q

Type II RTA

Defect?

Urine pH

Serum K

Causes

A

Poor bicarbonate resorption

<5.5

Low normal K

Fanconi

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11
Q

Type IV RTA

Defect

Urine pH

Serum K

Causes

A

Aldosterone resistance

<5.5

High K

Obstructive uropathy, CAH

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12
Q

Lights Criteria- TRANSUDATE

A

Pleural protein: serum protein ratio

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13
Q

Lights criteria - EXUDATE

A

Pleural protein: serum protein ratio >.5

Pleural LDH: serum LDH >.6

Pleural LDH >2/3 upper limit of nml

Causes - infection, malignancy, PE

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14
Q

Mechanism of metabolic alkalosis in Conn Syndrome (hyperaldosterone)

A

Hypokalemia causes bicarbonate resorption

Combined with increased hydrogen secretion

= metabolic alkalosis

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15
Q

Patient with TB

Develops fatigue, weakness, hypotension, electrolyte abnormalities

D.X?

A

Chronic primary adrenal insufficiency

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16
Q

Rheumatoid arthritis

Tx algorithm

A

Methotrexate

MTX + Paralell (hydroxychloroquine, sulfasalazine)

Anti-TNF (infliximab, etanercept)

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17
Q

Severe complication of ulcerative colitis

A

Toxic megacolon

18
Q

Diagnosis of CLL by?

A

Flow cytometry of peripheral cells

19
Q

Trigeminal neuralgia tx

A

Carbamazepine

20
Q

Nephrotic syndrome symptoms in patient with RA

Kidney biopsy findings?

A

Amyloid deposits

Congo red stain

Apple green birefringence

21
Q

Two physical findings in fibromuscular dysplasia

A

Renal artery stenosis

Internal carotid artery stenosis - subauricular systolic bruit

22
Q

Erythematous papules across back, neck, shoulders

On corticosteroids recently

Dx?

A

Drug induced acne

23
Q

Two main imaging modalities for kidney stone

A

Non con spiral ft of abdomen and pelvis

Abdominal ultrasound

24
Q

1st line treatment for alcohol abuse disorder (if not abstinent)

Medication once abstinence is obtained?

A

Naltrexone

Acamprosate

25
Q

Obesity hypoventilation syndrome

HCO3- ?

Chloride?

A

Bicarbonate resorption by kidneys increases

Chloride decreases

= hypochloremic metabolic alkalosis

26
Q

Dream enactment in the latter part of the night

Transient confusion but becomes fully alert

Dx

A

R.E.M. Sleep behavior disorder

27
Q

Turner Syndrome at increased risk of?

Why?

A

Osteoporosis

Ovarian dysgenesis = decreased estrogen

28
Q

Transient synovitis in children

Differentiate between?

A

Septic arthritis

If grossly stable and no evidence of severe infection - rest, ice, ibuprofen, f/u in 1 week

29
Q

Reddish purple pedunculated lesions

Develop into friable lesions

Dx?

A

Bacillary angiomatosis

Bartonella

Immunocompromised, usually HIV

30
Q

Dermatological manifestations of chronic hep c infection

A

Porphyria cutanea tarda

Lichen planus

31
Q

Positive pronator drift specific for?

A

Upper motor neurons - Pyramidal/corticospinal tract lesions

32
Q

Secondary Raynauds

> 40, usually male

Asymmetric attacks

Work up?

A

ANA titers

Rheumatoid factor

ESR and complement titers

33
Q

Aspirin overdose lab findings

pH =

PaCO2

HCO3-

Acid base status

A

Normal pH

Low paCO2

Low bicarb

Mixed metabolic acidosis and respiratory alkalosis

34
Q

Arrhythmia most specific for Dig toxicity

A

Atrial tachycardia with AV block

35
Q 
Elderly
Progressive LE edema
Distended abdomen w/flank percussion
Increased urine protein output
Elevated EF
Tired and SOB

Dx?

A

Restrictive cardiomyopathy

Amyloidosis

36
Q

Fungal infection can cause disseminate disease in immunocompetent

A

Blastomyces dermatiditis

SKIN - heaped up verrucous or nodular lesions with violaceous hue

37
Q

Positive NAAT for chlamydia

tx?

A

Single - AZITHROMYCIN only

38
Q

Positive NAAT for gonorrhea

Tx?

A

Dual

Azithromycin + Ceftriaxone

39
Q

Underlying cause of isolated systolic HTN

A

Rigidity of arterial walls

40
Q

PCOS vs Cushings

A

Skin atrophy, muscle weakness, easy bruisability = CUSHINGS

Not pcos.

41
Q

Precocious puberty symptoms

Normal testicular volume

Low LH baseline and no response to GNRH

Dx

A

Non-classic CAH

Secondary to 21 hydroxylase deficiency

42
Q

One of he most common neurological complications in AIDS patients

Presents like B12 deficiency

Dx?

A

Vacuolar HIV myelopathy

UWorld Step 2 CK (3 decks)

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