USMLE Step 1 High Yield Ratings List for Inflammation & Immunology:
10 – B & T Cell Activation
9 – Toxoid Vaccines
9 – Antibody Isotypes
8 – Type I Hypersensitivity
7 – Tumor Necrosis Factor
7 – Interferon
7 Chronic Granulomatous Disease (CGD)
6 – Prostaglandins, Leukotrienes & Bradykinin
6 – Chronic Organ Transplant Rejection
5 – Type IV Hypersensitivity
5 – Type III Hypersensitivity
5 – Scar Formation
5 – Interleukin 2
5 – DiGeorge Syndrome
4 – Live/Attenuated Vaccines
4 – Graft vs. Host
4 – Complement System
4 – Cardinal Signs of Inflammation
4 – Autoantibodies
3 XLinked Agammaglobinemia
3 – Transudate vs. Exudate
3 Severe Combined Immunodeficiency
3 – Neutrophil Extravasation
3 – Killed/Inactivated Vaccines
3 – Interleukin 1
3 – Granulomas
2 – MPO Deficiency
2 – IgA Deficiency
2 – Chemotactic Factors IL8 & LTB4
2 – Acute Organ Transplant Rejection
1 – Type II Hypersensitivity
1 – Passive vs. Active Immunization
1 – Hyperacute Organ Transplant Rejection
1 – B & T Cell Development
1 – Antibody Structure

No Yield:
WiskottAldrich
Congenital Neutropenia
Leukocyte Adhesion Deficiency
Common Variable Immunodeficiency
Hyper IgE
IL12 Receptor Deficiency
Ataxia Telangiectasia
IL – 3,4, 5, 6, 10, 12
HLA Subtypes
Tacrolimus
Most recombinant cytokines
Adalimumab
Rituximab
Omalizumab