Suppose the maximum blood pressure for a specific person is 160 mm Hg. a) Calculate the maximum force in newtons exerted by the blood on an aneurysm, or ballooning, in a major artery, given the effective area of the aneurysm is 18 cm^2

A vacuum-style lift assist exerts a vertical force on an object by attachment of one or more suction cups to the top of that object. For a lift with four suction cups to provide at least 500 N of lifting force, what is the minimum vacuum pressure (mm Hg) allowable inside each 76-mm-diameter cup attached to the object? Pcup i mm Hg

Water travels through a pipe at 9.11 m/s. The pipe contracts from a crossectional area of 1.9 m2 to an area of 0.211 m2.   a) What is the speed of the water in the second part of the pipe in m/s?  m/s   b) How much is the pressure change in KPa as the pipe contracts? The density of water is 1000 kg/m3. Enter a positive value for an increase in pressure, a negative value for a decrease.  kPa

A fusiform aneurysm bulges or balloons out an artery on all sides (pictured below). If this aneurysm occurs in an aorta, the internal radius may increase from r₁ = 1.1 cm in the normal, healthy section to 12= = 2.2 cm in the diseased section (while staying at the same vertical height). The speed of blood m flow is v₁ = 0.42 in the normal section and the gauge pressure P₁ is 99.98 mmHg. The density of 1 S blood is 1060 kg m³ Fusiform Aneurysm Image from: http://www.okclipart.com/Fusiform-Aneurysm-Clip-Art30koqyaskv/ (a) Calculate the speed of blood v2 in the aneurysm. Answer to two significant figures. Think: What equations dictating the flow through the valve are valid, equation of continuity, Bernoulli or Poiseuille? What simplifications should you make regarding the blood flow. m V₂ = S (b) Calculate the pressure gradient AP = P aneurysm healthy aorta from the healthy aorta into the aneurysm. Think: What equations dictating the flow through the valve are valid, equation of…

Suppose you have a 8.8 cm diameter fire hose with a 3.6 cm diameter nozzle. a) Calculate the pressure drop due to the Bernoulli effect as water enters the nozzle from the hose at the rate of 40.0 L/s. Take 1.00 × 103 kg/m3 for the density of the water. b) To what maximum height, in meters, above the nozzle can this water rise? (The actual height will be significantly smaller due to air resistance.

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A typical blood pressure is 120 mm Hg. How high above the injection site would you need to hang an IV bag so that the fluid enters the blood stream at this pressure? Assume the IV fluid has a density of 1000 kg/m3. Remember, 1 mm Hg = 133 Pa

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A medical technician is trying to determine what percentage of a patient's artery is blocked by plaque. To do this, she measures the blood pressure just before the region of blockage and finds that it is 1.20×104 Pa , while in the region of blockage it is 1.15x104 Pa . Furthermore, she knows that blood flowing through the normal artery just before the point of blockage is traveling at 30.5 cm/s , and the specific gravity of this patient's blood is 1.06. Part A What percentage of the cross-sectional area of the patient's artery is blocked by the plaque? Express your answer as a percentage. ? % is blocked Submit Request Answer

Intravenous infusions are usually driven by gravity by hanging the fluid bottle at sufficient height to counteract the blood pressure in the vein and to force the fluid into the body. The higher the bottle is raised, the higher the fluid flow rate will be. a) If it is observed that the fluid and the blood pressures balance each other when the bottle is 1.2 m above the arm level, determine the gage pressure of the blood. b) If the gage pressure of the fluid at the arm level needs to be 20 kPa for sufficient flow rate, determine how high the bottle must be placed. Take the specific gravity of the fluid to be 1.02.