Essential hypertension is:
a. essential pressure in the arteries for the heart to function properly.
b. the type that accounts for 10 of all cases of high blood pressure.
c. most often caused by kidney malfunction.
d. often unexplainable because the cause is unknown.
Question 2
Which statement accurately describes blood pressure?
a. The pressure when the heart is beating is known as diastolic blood pressure.
b. The pressure when the heart is relaxing is known as systolic blood pressure.
c. It is an indicator of the force exerted by the heart as it pushes blood through the arteries.
d. A normal pressure is in the 140/90 range.