Question

are terms named after an individual which first discovered the disease, syndrome, diagnosis, surgical procedure or
medical eponyms
abbreviations
directionals
qualitative eponyms

Explanation:

Medical eponyms are terms named after individuals who first discovered a medical - related entity like a disease, syndrome etc. Abbreviations are short forms, directionals relate to directions in anatomy, and qualitative eponyms is not the correct term for this concept.

Answer:

A. Medical eponyms