Multiple choice What does a systolic blood pressure reading of 140-159 mm Hg indicate? Prehypertension HBP stage 1 HBP stage 2 Hypertensive crisis Reveal answer Fill a bubble to check yourself B Correct answer Explanation A systolic blood pressure reading of 140-159 mm Hg indicates HBP stage 1. In this situation, the diastolic blood pressure may be 90-99 mm Hg.