The volume flow rate in an artery supplying the brain is 4.0 x 10-6 m3/s. If the radius of the artery is 4.8 mm, determine the average blood speed and the average blood speed as a constriction in the artery if the constriction reduces the radius by a factor of 5.

Q: The radius of an artery decreases from 1.2 to 0.50 cm due to atherosclerosis. If the average blood…

A: Given: Radius r1=1.2 cm ; radius r2=0.5 cm Velocity v1=40 cm/s To find: v2=? Continuity equation…

Q: Whole blood has a surface tension of 0.058 N/m and a density of 1050 kg/m3. To what height can whole…

A: Surface tension is,

Q: What radius needle should be used to inject a volume of 502 cm3 of a solution into a patient in 27…

A: The expression for the required radius,

Q: If the blood vessel due to plaque buildup narrows to 50% of its diameter, what must be the speed of…

A: From continuity equation, A1v1=A2v2πd122v1=πd222v2d12v1=d22v2v2=d12v1d22

Q: A small blood vessels near skin surface has a radius of 10um a length of 1 um and the pressure drop…

A:

Q: -- If an artery is coated with plaque deposits so that its radius is reduced by is 20%, by what…

A: The flow rate of blood is given by, m˙ =Av Here, 'A' is the cross-sectional area = πr2, and 'v' is…

Q: What radius needle should be used to inject a volume of 532 cm of a solution into a patient in 33…

A: Using Poiseuille's law   We can solve this question.

Q: In a laminar flow flowing through a pipe of radius R, The fraction of the total fluid flowing…

A: in laminar flow, fluid flows such that velocity of particle passing through a given point remains…

Q: In one of the main human arteries the maximum value of the Reynolds number is 6,7. The diameter of…

A: Given:- The maximum value of the Reynolds number is 6.7  The diameter of the vessel lumen is 8,1 mm…

Q: Compute the decrease in the blood pressure of the blood flowing through an artery the radius of…

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Q: Calculate the mass flow rate (in grams per second) of blood (?=1.0ρ=1.0 g/cm33) in an aorta with a…

A: The product of the area of cross section and the speed remains the same at all points of a tube of…

Q: The blood flowing at 10 cm/s in an artery with a radius of 0.3 cm enters an artery with a reduced…

A: Given, Velocity of blood in artery with radius 0.3 cm is 10 m/s  So, here  v1 = 10 m/s  r1 = 0.3 cm…

Q: What radius needle should be used to inject a volume of 465 cm³ of a solution into a patient in 32…

A: Using Poiseuille's equation, Change in pressure is given by: dP = 8*n*L*Q/(pi*R^4) Q = Volume flow…

Q: hal blood flow through the internal carotid artery is 400 mL/min. If this vessel's radius is reduced…

A:

Q: An intravenous (IV) system is supplying saline solution to a patient at the rate of 0.120 ml/sec…

A: Given Pressure in patients vein P1=8 mm Hg Flow rate Q=0.120ml/sec Radius of needle r=0.15mm Length…

Q: If the pressure in the esophagus is −2.00 mm Hg whilethat in the stomach is +20.0 mm Hg , to what…

A:

Q: A glucose solution being administered with an IV has aflow rate of 4.00 cm3 /min . What will the new…

A: Given: Flow of volume, V = 4 cm3/min Viscosity of blood is 2.5 times that of glucose

Q: As blood passes through the capillary bed in an organ, the capillaries join to form venules (small…

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Q: Take the density of blood to be ρ and the distance between the feet and the heart to be hH. Ignore…

A: (a).Write the expression for the pressure in an incompressible fluid varies along the depth h,

Q: The radius of an artery decreases from 1.2 to 0.50 cm due to atherosclerosis. If the average blood…

A:

Q: a) Blood with a density ρ = 1.00 g/cm3 is flowing with a speed of 36 cm/s through an aorta with a…

A: (a) The mass flow rate is given by, m˙=ρAv Here, ρ is the density of blood, A is the area of…

Q: When physicians diagnose arterial blockages, they quote the reduction in flow rate. If the flow rate…

A:

Q: A glucose solution being administered with an IV has a flow rate of 2.34 cm3/min. What will the new…

A: Given that, the initial volume rate is 2.34 cm3/min and final viscosity is 2.7 times the initial…

Q: A hypodermic needle of length 3 cm and internal diameter of 45 mm is used to draw blood with…

A: Given, Length, L=3 cm=0.003 m, diameter, d=45 mm=0.0045 m, viscosity, η=4 mPa.s=0.004 Pa.s, pressure…

Q: When the rate of blood flow in the aorta is 5 liter/min, the velocity of the blood in the…

A:

Q: Assuming a constant pressure gradient, if blood flow is reduced by 52%, by what factor is the radius…

A: The ratio of the flow rate of the blood can be given as, Q2Q1=100-52%=0.48

Q: The approximate inside diameter of the aorta is 0.49 cm; that of a capillary is 8 µm. The…

A: Given:- The approximate inside diameter of the aorta is 0.49 cm= 0.49 x 10-2 m   That of a capillary…

Q: Suppose the flow rate of blood through a 1.9 × 10–6-m radius capillary is 3.65 × 10-9 cm3/s. a.)…

A: Given data: The flow rate of blood is, Q = 3.65 × 10-9 cm3/s= 3.65 × 10-15 m3/s Radius capillary is,…

Q: Whole blood has a surface tension of 0.058 N/m and a density of 1,050 kg/m3. To what height can…

A:

Q: Smoking can cause a person's arteries to constrict to 90 % of their normal radius. If the usual…

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Q: An artery is narrowed due to the buildup of plaque such that the cross sectional area of the…

A: The volume flow rate must be constant. It is given as,

Q: What is the flow rate of blood through a blood vessel of cross sectional area is 0.001 m The…

A: Given information Cross sectional area of blood vessel A = 0.001 m2 Length of vessel's segment L = 1…

Q: What radius needle should be used to inject a volume of 519 cm3 of a solution into a patient in 34…

A:

Q: When physicians diagnose arterial blockages, they quote the reduction in flow rate. If the flow rate…

A:

Q: What radius needle should be used to inject a volume of 500. cm3 of a solution into a patient in…

A: Given:volume = 500 cubic cmtime = 30 minlength = 2.5 cmheight = 1mdensity of pure water = 1000…

Q: A medical technician is trying to determine what percentage of a patient’s artery is blocked by…

A:

Q: Whole blood has a surface tension of 0.058 N/m and a density of 1 050 kg/m3. To what height can…

A:

Q: The average speed of blood in the aorta is 0.327 m/s, and the radius of the aorta is 1.00 cm. There…

A:

Q: The approximate inside diameter of the aorta is 0.48 cm; that of a capillary is 12 ?m. The…

A: Given data: The diameter of aorta is D=0.48 cm. The diameter of capillary is d=12 μm. The flow speed…

Q: The flow rate for a typical human aorta is approximately 90 cm3/s. If the aorta has a diameter of…

A:

Q: The radius of the aorta is about 1.3 cmcm , and the blood passing through it has a speed of about 40…

A: It is given that

Q: If you are infusing a 1 L Iv bag of a normal saline at a rate of 100 ml per hour, how long will it…

A: Time taken to infuse entire IV bag into the patient