A fusiform aneurysm bulges or balloons out an artery on all sides (pictured below). If this aneurysmoccurs in an aorta, the internal radius may increase from r₁ = 1.12 cm in the normal, healthy sectionto r₂ = 2.24 cm in the diseased section (while staying at the same vertical height). The speed of bloodin the normal section and the gauge pressure P₁ is 100 mmHg. The density offlow is v₁ = 0.4mSkgblood is 1060m³Fusiform AneurysmImage 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, Bernoullior Poiseuille? What simplifications should you make regarding the blood flow.mV₂ =S(b) Calculate the pressure gradient AP = P-Paneurysmhealthy aortafrom the healthy aorta into theaneurysm.Think: What equations dictating the flow through the valve are valid, equation of continuity, Bernoullior Poiseuille? What simplifications should you make regarding the blood flow.AP =mmHg(c) The pressure within the aneurysm isthe pressure within the healthy aorta.O larger than○ equal toO smaller than

a. To calculate the speed of blood (v₂) in the aneurysm, we can use the principle of continuity,…

Answered: A fusiform aneurysm bulges or balloons…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter15: Fluid Mechanics

Section: Chapter Questions

Problem 9OQ: An ideal fluid flows through a horizontal pipe whose diameter varies along its length. Measurements...

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In an immersion measurement of a woman's density, she is found to have a mass of 62.0 kg in air an apparent mass of 0.0850 kg completely submerged with lungs empty. (a) What of water does she displace? (b) What is her volume? (c) Calculate her density. (d) If her lung capacity is 1.7S L, is she able to that without treading water with her lungs filled air?
Does atmospheric pressure add to the gas pressure in a rigid tank? In a toy balloon? When, in general, does atmospheric pressure not affect the total pressure in a fluid?
Considering the magnitude of typical arterial blood pressures, why are mercury rather than water manometers used for these measurements?
An ideal fluid flows through a horizontal pipe whose diameter varies along its length. Measurements would indicate that the sum of the kinetic energy per unit volume and pressure at different sections of the pipe would (a) decrease as the pipe diameter increases, (b) increase as the pipe diameter increases, (c) increase as the pipe diameter decreases, (d) decrease as the pipe diameter decreases, or (e) remain the same as the pipe diameter changes.
(a) Verify that a 19.0% decrease in laminar flow through a tube is caused by a 5.00% decrease in radius, assuming that all other factors remain constant. (b) What increase in flow is obtained from a 5.00% increase in radius, again assuming all other factors remain constant?
A rock with a mass of 540 g in air is found to have an apparent mass of 342 g when submerged in water. (a) What mass of water is displaced? (b) What is the volume of the rock? (c) What is its average density? Is this consistent with the value for granite?
The left ventricle of a resting adult's heart pumps blood at a flow rate of 83.0 cm3/s , increasing its pressure by 110 mm Hg, its speed from zero to 30.0 cm/s, and its height by 5.00 cm. (All cumbers are averaged over the entire heartbeat) Calculate the total power output of left ventricle. Note that most of the power is used to increase blood pressure.
Using the equation of the previous problem, find the viscosity of motor oil in which a steel ball of radius 0.8 mm falls a terminal speed of 4.32 cm/s. The densities of the ball and the oil are 7.86 and 0.88 g/mL, respectively.
(a) Convert normal blood pressure readings of 120 over 80 mm Hg to newtons per meter squared using be relationship for pressure due to the weight of a fluid (p=hg) rater a conversion factor. (b) Explain why be blood pressure of an infant would likely be smaller than that of an adult. Specifically, consider the smaller height to which blood mast be pumped.
Bird bones have air pockets to reduce their weight—this also gives them an average density significantly less than that of the bones of other animals. Suppose an ornithologist weighs a bird bone air and in water and finds its mass is 45.0 g ad its apparent mass when submerged is 3.60 g (assume the bone is watertight.)(a) What mass of is displaced? (b) What is the volume of the bone? (c) What is its average density?
Liquid toxic waste with a density of 1752 kg/m3 is flowing through a section of pipe with a radius of 0.312 m at a velocity of 1.64 m/s. a. What is the velocity of the waste after it goes through a constriction and enters a second section of pipe with a radius of 0.222 m? b. If the waste is under a pressure of 850,000 Pa in the first section of pipe, what is the pressure in the second (constricted) section of pipe?
An airplane is cruising at altitude 10 km. The pressure outside the craft is 0.287 atm; within the passenger compartment, the pressure is 1.00 atm and the temperature is 20C. A small leak occurs in one of the window seals in the passenger compartment. Model the air as an ideal fluid to estimate the speed of the airstream flowing through the leak.

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