The patient in FIGURE 15-41 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.

Figure 15-41,

(a) 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. Assume that the pressure inside the bag is one atmosphere.
(b) If a less dense fluid is used instead, must the height of suspension be increased or decreased? Explain.

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