Units of pressure Flashcards
0
Q
1 newton is
A
the force required to give a mass of 1kg an acceleration of 1m/s
1
Q
Presure is defined as
A
force per unit area
p= force/area
2
Q
1 pascal is
A
the force of one newton acting on 1 square metre
3
Q
1 kilopascal is
A
1000 pascals
4
Q
Common exceptions to the use of the SI system
A
Atmospheric pressure (at sea level)
Millimetres of mercury (mmHg)
Centimetres of water (cmH20)
Pounds per square inch (psi)
5
Q
100kpa =
A
760mmHg = bar=1 atmosphere=15psi
6
Q
ways of measuring pressure in anaesthetic practice
A
Bourdon gauge
fluid filled manometer
electrical pressure transducer
