A 20-year-old man presents with recurrent Neisseria infections. Labs show absent membrane attack complex formation. Which complement component deficiency is most likely?
Our free USMLE practice questions act as a diagnostic tool to give you a clear snapshot of your United States Medical Licensing Examination readiness. Discover which topics are your strengths and, more importantly, which critical topics require your immediate attention.
| Name | United States Medical Licensing Examination |
| Code | USMLE |
| Vendor | Medical Professional |
| Certification | Federation of State Medical Boards (FSMB) and National Board of Medical Examiners (NBME) |