Hypertension is defined as having a blood pressure of _____.
a. ≥120 mm Hg systolic or ≥70 mm Hg diastolic
b. ≥130 mm Hg systolic or ≥80 mm Hg diastolic
c. ≥120 mm Hg systolic or ≥90 mm Hg diastolic
d. ≥140 mm Hg systolic or ≥70 mm Hg diastolic
e. ≥160 mm Hg systolic or ≥110 mm Hg diastolic