input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 46 years old male patient was given subarachnoid block with bupivacaine (heavy) by the anesthetist. After 10 minutes he was found to have a BP of 72/44 mm Hg and hea rate of 52/min. On checking the level of block it was found to be T6. What is the likely explanation for the bradvcardia?   (A) Bezold-Jarisch reflex   (B) Bainbridge reflex   (C) Block of Cardio-accelerator fibers of synthetic origin   (D) Reverse Bainbridge reflex
output: ['(A) Bezold-Jarisch reflex <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Bezold-Jarisch reflex  (B) Bainbridge reflex  (C) Block of Cardio-accelerator fibers of synthetic origin  (D) Reverse Bainbridge reflex <> possible answers', '  A 46 years old male patient was given subarachnoid block with bupivacaine (heavy) by the anesthetist. After 10 minutes he was found to have a BP of 72/44 mm Hg and hea rate of 52/min. On checking the level of block it was found to be T6. What is the likely explanation for the bradvcardia? <> context']