The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Amniotic fluid is mainly produced by:   (A) Placenta   (B) Fetus   (C) Chorion   (D) Amnion
['(B) Fetus <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Placenta \n (B) Fetus \n (C) Chorion \n (D) Amnion <> possible answers', '  Amniotic fluid is mainly produced by: <> context@']