For a patient who has proteinuria, how high in mm will the liquid initially rise in a 0.80-mm-diameter capillary tube? You can assume that the densi of urine is the same as that of water. Express your answer in millimeters. Submit Part B 197 ΑΣΦΑ Δh = Request Answer ? mm How far will it fall over the course of a few hours? You can assume that the density of urine is the same as that of water. Express your answer in millimeters. 17 ΑΣΦ mm
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- Gold, which has a density of 19.32 g/cm³, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. (a) If a sample of gold with a mass of 8.338 g, is pressed into a leaf of 1.622 μm thickness, what is the area of the leaf? (b) If, instead, the gold is drawn out into a cylindrical fiber of radius 2.300 µm, what is the length of the fiber? (a) Number i 0.002 (b) Number i 0.026 Units Units m mL (a) The heart pumps blood into the aorta at a rate of 4 the aorta's diameter is 2.1 cm. Calculate the average speed of blood if min V blood = cm S (b) The aorta branches many times until the blood finally reaches the smallest branch: the capillaries. Each capillary has an average diameter of 6.9 μm and the blood slows down to 0.5 the number of capillaries in the body. Does this answer look reasonable? mm Calculate . S n = caps capillaries (c) For what duration of time is a red blood cell in a capillary if the average capillary length is 1 mm? t = (d) Why does the blood need to flow much slower through the capillaries than the aorta? ○ A. The capillaries are thin and might burst. ○ B. There must be sufficient time for the exchange of substances to occur across the cell membrane of the capillaries. O C. There is a smaller cross-sectional area. ○ D. None of these.A- Given that the volumetric flow rate for a fluid within a circular cross-section tube can be represented by Q= πΡΑ ΔΡ 8μL where r is the tube radius, µ is the fluid viscosity, P is the pressure drop across the tube, and L is the tube length, calculate the pressure drop across a tube of length 1 m and diameter of 23 mm. The fluid is blood (μ = 0.0035 N.s/m²) and has a volumetric flow rate of 4.5 L/min. Assuming the same conditions, what would the required pressure drop be for water (μ = 0.001 N.s/m²) and chocolate syrup (μ = 150 N.s/m²).
- You are help to educate a patient on the ramifications of a partial arterial blockage you have recently discovered. To communicate the severity, you decide to tell the patient about how much of the volume of blood that normally passes through the artery has decreased. The relationship you are describing is called AV Poiseuille's equation and it reads: ™R^ (P₁-P₂) 8nl If the At radius of the artery decreases by a factor of 2 because of the blockage (as shown in the image below), by what factor has the volume flow rate (A) decreased? At Wall of artery (a) Artery wall thickening Blockage O Note: Do not explicitly include units in your answer, however (include number only). Including units (like cm) will result in the question being scored wrong.The approximate inside diameter of the aorta is 0.49 cm; that of a capillary is 8 µm. The approximate average blood flow speed is 1.0 m/s in the aorta and 1.0 cm/s in the capillaries. If all the blood in the aorta eventually flows through the capillaries, estimate the number of capillaries in the circulatory system.capillariesSuppose blood is pumped from the heart at a rate of 4.5 L/min into the aorta of radius 1.2 cm. Determine the speed of blood through the aorta, in centimeters per second. V?
- The average speed of blood in the aorta is 0.330 m/s, and the radius of the aorta is 1.00 cm. There are about 2.00 × 109 capillaries with an average radius of 6.19 μm. What is the approximate average speed of the blood flow in the capillaries? ?mm/sLet Pa represent the density of aluminum and Pf that of iron. Find an expression of the radius (ra ) of a solid aluminum sphere that balances a solid iron sphere of radius rf on an equal-arm balanceAssuming biological substances are 100% water, estimate the mass of a fly. Take a fly to be roughly a cylinder 4 mm long and 2 mm in diameter. kg
- Flow rate is expressed as gas velocity in cm/s. The gas is flowing through an open tubular column with an inner diameter of 0.25 mm. What volume flow rate (mL/min) corresponds to a gas velocity of 50 cm/s? (The volume of a cylinder is pr2 3 length, where r is the radius.)(a) As blood passes through the capillary bed in an organ, the capillaries join to form venules (small veins). If the blood speed increases by a factor of 4.00 and the total cross-sectional area of the venules is 9.5 cm2, what is the total cross-sectional area of the capillaries feeding these venules? (b) How many capillaries are involved if their average diameter is20.0 μm?There is a brass cylinder weighing 1.000 kg, has a diameter of 0.047 meters, and it is 70 mm tall. Which of the following answers represents the volume the cylinder occupies, and the mass density of the brass?