[Campbell Biology P.988] According to the text, which of the following is the usual definiti... | Practice Question
According to the text, which of the following is the usual definition of hypertension in adults?
A: A systolic pressure above 90 mm Hg or a diastolic pressure above 140 mm Hg.
B: A systolic pressure above 140 mm Hg or a diastolic pressure above 90 mm Hg.
C: Any blood pressure reading that promotes plaque formation in the arteries.
D: A blood pressure level that cannot be controlled by lifestyle changes alone.
Explanation
The text explicitly states: 'The usual definition of hypertension in adults is a systolic pressure above 140 mm Hg or a diastolic pressure above 90 mm Hg.'