Physiology A patient got his SBP reduced by 10mmHg when he stood up and he gained only 8mmHg. What was the gain? A –4 B 4 C –8 D 8 💡 Explanation A patient got his SBP reduced by 10mmHg when he stood up and he gained only 8mmHg. What was the gain? ✓ Correct Answer: A. –4