The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Slow wave potential originates in which pa of intestine:   (A) Interstitial cells of Cajal   (B) Parasympathetic neurons   (C) Smooth muscle cells   (D) Myentric plexus
['(A) Interstitial cells of Cajal <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Interstitial cells of Cajal \n (B) Parasympathetic neurons \n (C) Smooth muscle cells \n (D) Myentric plexus <> possible answers', '  Slow wave potential originates in which pa of intestine: <> context@']