Question
Biology Question on body fluids and circulation
An adult human with average health has systolic and diastolic pressures as
A
120 mm Hg and 80 mm Hg
B
50 mm Hg and 80 mm Hg
C
80 mm Hg and 80 mm Hg
D
70 mm Hg and 120 mm Hg.
Answer
120 mm Hg and 80 mm Hg
Explanation
Solution
The temporary rise in blood pressure during the contraction of the heart is called systolic pressure and the temporary fall in blood pressure during relaxation of the heart is called diastolic pressure. Blood pressure is expressed as the ratio of the systolic pressure over the diastolic pressure. For a healthy resting adult person, the average systolic/diastolic pressures are 120/ 80 mm Hg.