Final answer:
The question is about alternative explanations for biological abnormalities and PTSD, suggesting a multifaceted approach to understanding PTSD that includes environmental, psychological, and social factors in addition to biological ones.
Step-by-step explanation:
The student's question pertains to alternative explanations for biological abnormalities (biol abn) and post-traumatic stress disorder (PTSD). In the context of PTSD, biological abnormalities can refer to changes in brain structure or function that are associated with the disorder. Alternative explanations might consider environmental factors, psychological processes, or social influences that could contribute to the development of PTSD, aside from or in addition to biological factors. A thorough understanding of PTSD involves a multifaceted approach that includes but is not limited to biological factors.