A nurse measures the blood pressure of a seated patient to be 190 mm of Hg -

Options

A. The blood pressure at the patient's feet is less than 190 mm of Hg
B. The actual pressure is about 0.25 times the atmospheric pressure
C. The blood pressure at the patient's neck is more than 190 mm of Hg
D. The actual pressure is about 1.25 times the atmospheric pressure

Answer

D

Explanation

Blood pressure is gauge pressure = 190 mm Hg
Atmosphere pressure = 760 mm Hg
Actual pressure = 190+760 mm Hg
= 950 mm Hg
`= 1.25xx760` mm Hg.