input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Acetyl choline release can be increased from presynaptic membrane by:   (A) Blocking voltage gated Na+ channels on presynaptic membrane   (B) Blocking voltage gated Ca+ channels on presynaptic membrane   (C) Blocking voltage gated K+ channels on presynaptic membrane   (D) Blocking voltage gated CI- channels on presynaptic membrane
output: ['(C) Blocking voltage gated K+ channels on presynaptic membrane <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Blocking voltage gated Na+ channels on presynaptic membrane  (B) Blocking voltage gated Ca+ channels on presynaptic membrane  (C) Blocking voltage gated K+ channels on presynaptic membrane  (D) Blocking voltage gated CI- channels on presynaptic membrane <> possible answers', '  Acetyl choline release can be increased from presynaptic membrane by: <> context']