The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Characteristic feature true about outer membrane of peripheral nerve   (A) Relative permeable to sodium ions   (B) Relative permeable to potassium ions   (C) Permeable to chloride ions   (D) Impermeable to potassium ions
['(B) Relative permeable to potassium ions <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Relative permeable to sodium ions \n (B) Relative permeable to potassium ions \n (C) Permeable to chloride ions \n (D) Impermeable to potassium ions <> possible answers', '  Characteristic feature true about outer membrane of peripheral nerve <> context@']