Cough Reflex Test (CRT) Practice

A normal blood pressure reading for an adult is defined as being less than 120/80 mmHg. This figure indicates optimal cardiovascular health, where the systolic pressure (the top number) is less than 120 mmHg and the diastolic pressure (the bottom number) is less than 80 mmHg. Blood pressure is classified as normal, elevated, or hypertensive based on these numbers, and maintaining blood pressure within this range is crucial for reducing the risk of heart disease and stroke.

The significance of the other choices lies in their definitions within blood pressure classifications: while 120/80 mmHg and 110/70 mmHg indicate levels that are either optimal or near-optimal, 140/90 mmHg typically indicates hypertension, which increases health risks. Thus, the correct statement aligns with established guidelines that assert that ideal blood pressure is categorized as anything less than 120/80 mmHg, encompassing a range that promotes overall health.