A 60-year-old woman with a thyroid nodule undergoes biopsy. Cytology reveals sheets of polygonal cells with amyloid deposition on Congo red stain. Which hormone is secreted by this tumor?
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) |