The patient in the figure below is to receive an intravenous injection of medica

Question

The patient in the figure below is to receive an intravenous injection of medication. In order to work properly, the pressure of fluid containing the medication must be 105 kPa at the injection point. (a) If the fluid has a density of 1001 kg/m3, find the height at which the bag of fluid must be suspended above the patient. Assume that the pressure inside the bag is one atmosphere. m (b) If a less dense fluid is used instead, must the height of suspension be increased or decreased? decreased increased Explain. This answer has not been graded yet.

Explanation / Answer

(a)

p=dgh

h=P/dg=(105-101.235)x1000/1001x9.8=0.3838m=38.38cm

(b)

since density and height are inversly proportional

for less dense fluid height should be increased

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