The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Excess of plasma level of lignocaine can cause cardiovascular collapse due to:   (A) Myocardial depression   (B) Vagal stimulation   (C) Syncope   (D) CN5 excitability
['(A) Myocardial depression <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Myocardial depression \n (B) Vagal stimulation \n (C) Syncope \n (D) CN5 excitability <> possible answers', '  Excess of plasma level of lignocaine can cause cardiovascular collapse due to: <> context@']