[2025-10-02T09:08:53.246162] [QUERYOME] Starting research for query 2466: 'Instructions:
 Answer the question below. First, respond with the single best option letter (A, B, C, or D). Then provide a concise reasoning (1–3 sentences). Use both the retrieved evidence and your own medical knowledge to choose the most accurate answer.

Question:
Which of the following nucleus has cardio inhibitory function?

Options:
A. Nucleus Ambiguus
B. Nucleus Tractus Solitarius
C. Rostral Ventrolateral Medulla
D. Dorsal motor nucleus of vagus'
[2025-10-02T09:08:53.320592] [PI] Starting research for query: 'Instructions:
 Answer the question below. First, respond with the single best option letter (A, B, C, or D). Then provide a concise reasoning (1–3 sentences). Use both the retrieved evidence and your own medical knowledge to choose the most accurate answer.

Question:
Which of the following nucleus has cardio inhibitory function?

Options:
A. Nucleus Ambiguus
B. Nucleus Tractus Solitarius
C. Rostral Ventrolateral Medulla
D. Dorsal motor nucleus of vagus'
[2025-10-02T09:08:53.321961] Saving text to bench_final/run1/medmcqa/medmcqa_4026/pi_initial_prompt.txt
[2025-10-02T09:08:53.325981] [PI] Calling o3 for initial analysis...
[2025-10-02T09:09:06.172425] [PI] Reasoning iteration 1
[2025-10-02T09:09:06.174082] [PI reasoning] **Identifying cardio inhibitory nucleus**

I’m looking to answer a physiology question about which nucleus has cardio inhibitory functions. The options include the nucleus ambiguus, NTS, RVLM, and the dorsal motor nucleus of the vagus. The nucleus ambiguus provides parasympathetic connections that control heart rate. While the dorsal motor nucleus is involved with visceral organs, the main center for cardiac slowing is primarily in the nucleus ambiguus. So, I would choose the nucleus ambiguus based on this understanding!
[2025-10-02T09:09:06.176851] [PI] Executing function call 1: hybrid_search
[2025-10-02T09:09:06.178915] [PI] Function arguments: {'query': 'cardioinhibitory nucleus ambiguus cardiac vagal neurons medulla', 'k': 10, 'faiss_weight': 0.7, 'bm25_weight': 0.3, 'use_rrf': True}
[2025-10-02T09:09:06.181556] Saving JSON to bench_final/run1/medmcqa/medmcqa_4026/pi_iteration_1_tool_call_2_hybrid_search.json
[2025-10-02T09:09:07.988209] [PI] Function hybrid_search executed successfully
[2025-10-02T09:09:07.991046] Saving JSON to bench_final/run1/medmcqa/medmcqa_4026/pi_iteration_1_tool_result_2_hybrid_search.json
[2025-10-02T09:09:07.997500] [PI] Continuing reasoning with 1 function responses...
[2025-10-02T09:09:19.592206] [PI] Reasoning iteration 2
[2025-10-02T09:09:19.593814] [PI] Executing function call 1: hybrid_search
[2025-10-02T09:09:19.596639] [PI] Function arguments: {'query': 'nucleus ambiguus cardioinhibitory center heart rate vagal', 'k': 5, 'faiss_weight': 0.7, 'bm25_weight': 0.3, 'use_rrf': True}
[2025-10-02T09:09:19.598384] Saving JSON to bench_final/run1/medmcqa/medmcqa_4026/pi_iteration_2_tool_call_2_hybrid_search.json
[2025-10-02T09:09:20.051888] [PI] Function hybrid_search executed successfully
[2025-10-02T09:09:20.053185] Saving JSON to bench_final/run1/medmcqa/medmcqa_4026/pi_iteration_2_tool_result_2_hybrid_search.json
[2025-10-02T09:09:20.058507] [PI] Continuing reasoning with 1 function responses...
[2025-10-02T09:09:25.634448] [PI] Reasoning iteration 3
[2025-10-02T09:09:25.637515] [PI] Executing function call 1: hybrid_search
[2025-10-02T09:09:25.639083] [PI] Function arguments: {'query': 'dorsal motor nucleus vagus heart rate primary gastrointestinal nucleus ambiguus heart', 'k': 10, 'faiss_weight': 0.6, 'bm25_weight': 0.4, 'use_rrf': True}
[2025-10-02T09:09:25.642064] Saving JSON to bench_final/run1/medmcqa/medmcqa_4026/pi_iteration_3_tool_call_2_hybrid_search.json
[2025-10-02T09:09:27.593048] [PI] Function hybrid_search executed successfully
[2025-10-02T09:09:27.595993] Saving JSON to bench_final/run1/medmcqa/medmcqa_4026/pi_iteration_3_tool_result_2_hybrid_search.json
[2025-10-02T09:09:27.612122] [PI] Continuing reasoning with 1 function responses...
[2025-10-02T09:09:38.612938] [PI] Reasoning iteration 4
[2025-10-02T09:09:38.615938] [PI] No function calls found in response
[2025-10-02T09:09:38.617592] [PI] No more function calls - research complete
[2025-10-02T09:09:38.622180] Saving text to bench_final/run1/medmcqa/medmcqa_4026/pi_final_answer.txt
[2025-10-02T09:09:38.631422] [QUERYOME] Query completed successfully
