An EMT Has an Accurate Understanding of the Diastolic Blood

An EMT has an accurate understanding of the diastolic blood pressure when she tells you that the diastolic pressure:

A) is the pressure in the arteries when the heart is not contracting.
B) can be estimated as one-third of the systolic blood pressure.
C) can be easily obtained by palpating the blood pressure.
D) should always be rounded to the nearest 10.