input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Saliva which is formed in salivary glands, when passes from salivary gland to duct orifices, it undergoes numerous ion exchanges and as a result saliva become ____________ as compared to plasma:   (A) Hypertonic sometimes   (B) Hypotonic   (C) Isotonic   (D) Hypertonic always
output: ['(B) Hypotonic <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Hypertonic sometimes  (B) Hypotonic  (C) Isotonic  (D) Hypertonic always <> possible answers', '  Saliva which is formed in salivary glands, when passes from salivary gland to duct orifices, it undergoes numerous ion exchanges and as a result\nsaliva become ____________ as compared to plasma: <> context']