A patient is to receive an intravenous injection of medication. In order to work properly, the pressure of fluid containing the medication must be 109 kPa at the injection point. If the fluid has a density of 1020 kg/m3, find the height at which the bag of fluid must be suspended above the patient, if the pressure inside the bag is 95000 Pa. Assume that the velocity at both points is zero. Choose the best answer: a) 0.78 m b) 1.40 m c) 1.5 m d) 0.5 m
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
A patient is to receive an intravenous injection of medication. In order to work properly, the pressure of fluid containing the medication must be 109 kPa at the injection point. If the fluid has a density of 1020 kg/m3, find the height at which the bag of fluid must be suspended above the patient, if the pressure inside the bag is 95000 Pa. Assume that the velocity at both points is zero. Choose the best answer:
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