What is the normal range for diastolic blood pressure in the adult patient?

a. 40 to 80 mm Hg
b. 60 to 90 mm Hg
c. 80 to 110 mm Hg
d. 60 to 110 mm Hg

ANS: B
Diastolic pressure is the force in the major arteries remaining after relaxation of the ventricles; it is normally 60 to 90 mm Hg.