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Exam (elaborations)

USMLE Step 1 First Aid Rapid Review / FULL Comprehensive Practice Q-Bank / Newest Actual Questions & Answers (A+ Guide Solution)

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USMLE Step 1 First Aid Rapid Review / FULL Comprehensive Practice Q-Bank / Newest Actual Questions & Answers (A+ Guide Solution) Terms in this set (1076) Abdominal pain, ascites, hepatomegaly Budd-Chiari Syndrome (post hepatic venous thrombosis). Associated with Polycythemia vera. Achilles tendon Xanthoma Familial Hypercholesterolemia (absent/defective LDL receptors) May have MI before age 20 Autosomal dominant Adrenal hemorrhage, hypotension, DIC Waterhouse-Friedrichsen syndrome (Neisseria meningitidis) Anaphylaxis and/or angioedema following blood transfusion IgA deficiency; C1 inhibitor deficiency would only cause angioedema, not anaphylaxis Arachnodactyly (spider fingers), lens dislocation, aortic dissection or aneurysm, hyperflexible joints, pectus excavatum Marfan Syndrome (FBN1 gene mutation chromosome 15 leads to defective fibrillin) Autosomal Dominant Athlete with polycythemia Secondary to EPO injection Back pain, fever, night sweats Pott disease (vertebral TB) Bilateral acoustic schwannomas Neurofibromatosis type 2 S-100+, cerebellopontine angle Bilateral hilar adenopathy, uveitis, high ACE, hypercalcemia (activated macrophages for Vit D), interstitial fibrosis, erythema nodosum, elevated CD4:CD8 ratio on lavage; asteroid bodies Sarcoidosis (non-caseating granulomas)

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Institution
USMLE Step 1 First Aid
Course
USMLE Step 1 First Aid

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Uploaded on
June 17, 2025
Number of pages
131
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

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Terms in this set (1076)

Budd-Chiari Syndrome (post hepatic
venous thrombosis). Associated with
Abdominal pain, ascites, Polycythemia vera.
hepatomegaly


Achilles tendon Xanthoma Familial Hypercholesterolemia
(absent/defective LDL receptors)
May have MI before age 20
Autosomal dominant



Waterhouse-Friedrichsen syndrome
(Neisseria meningitidis)
Adrenal hemorrhage,
hypotension, DIC


Anaphylaxis and/or IgA deficiency; C1 inhibitor deficiency would only cause
angioedema following angioedema, not anaphylaxis
blood transfusion


Arachnodactyly (spider Marfan Syndrome (FBN1 gene mutation
fingers), lens dislocation, chromosome 15 leads to
aortic dissection or
defective fibrillin)
aneurysm, hyperflexible
joints, pectus excavatum Autosomal Dominant



Athlete with polycythemia Secondary to EPO injection


1

, Pott disease (vertebral TB)
Back pain, fever, night
sweats


Neurofibromatosis type 2
S-100+, cerebellopontine angle
Bilateral acoustic
schwannomas


Bilateral hilar adenopathy, Sarcoidosis (non-caseating granulomas)
uveitis, high ACE,
hypercalcemia (activated
macrophages for Vit D),
interstitial fibrosis,
erythema nodosum, elevated
CD4:CD8 ratio on lavage;
asteroid bodies


Mucor or Rhizopus fungal infection
Black eschar on face of Travels through cribiform plate vessels
patient with diabetic
ketoacidosis


Blue sclera Osteogenesis Imperfecta (Type I
collagen defect forming triple helix)
Blue due to exposure of choroidal veins




Bluish line on gingiva and Burton line (lead poisoning) Basophilic
basophilic stippling stippling (rRNA remnants)
Constipation, anemia, CNS impairment




2

, Paget disease of bone (Increased
Bone pain, bone osteoclastic, then osteoblastic activity)
enlargement (hat size or Osteosarcoma or heart failure
hearing loss), arthritis


Aortic Regurgitation
Bounding pulses, wide pulse
pressure, diastolic heart
murmur, head bobbing


"Butterfly" facial rash or Systemic lupus erythematosus
discoid rash and Raynaud Type III Hypersensitivity (antigen-
phenomenon in a young
antibody complexes deposit) with
female
glomerulonephritis
Type II hypersensitivity with autoimmune
hemolysis



Carcinoma spread Lymphatics to lymph nodes (except HCC, Renal cell, follicular
thyroid and choriocarcinoma which spread hematogenously)



Sarcoma spread Hematogenously

Neurofibromatosis Type I,
pheochromocytoma, optic gliomas
Cafe-au-lait spots, Lisch
nodules (iris hemartoma),
cutaneous neurofibromas


Cafe-au-lait spots McCune-Albright syndrome
(unilateral), polyostotic (mosaicism, G-protein signaling
fibrous dysplasia, precocious mutation)
puberty, multiple endocrine
abnormalities




3

, Calf pseudohypertrophy Muscular dystrophy (Duchenne, due to
X-linked frameshift > truncated
dystrophin) Dilated cardiomyopathy
High CK



Kawasaki disease (treat with
IVIG and aspirin which inhibits
Cervical lymphadenopathy, TXA2)
desquamating rash on palms
and soles, coronary
aneurysms, red conjuctivae,
and strawberry tongue




4

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