Fluids2_all-1.doc

Fluids2_all-1.doc - BME 111 Quiz 13 Questions: Fluids In 1)...

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BME 111 Quiz 13 Questions: Fluids In 1) Flow rate is -Directly Proportional to the change in pressure -Directly proportional to the length of the pipe -Directly related to the radius -Directly proportional to the viscosity 2) Poiseuille's equation measures -fluid viscosity -flow rate -fluid density -maximal fluid velocity 3) Carbon dioxide is found in which compartment of the blood? -solubilized in the plasma -bound to the hemoglobin in red blood cells -inside the white blood cells -inside the platelets -All of the above 4) Positive displacement pumps in biological systems include -cilia on the respiratory epithelium -peristaltic tubes such as the digestive tract -hearts with valves -All of the above -B and C 5) The cost of making fluid transport systems includes -The cost of making blood vessels -The cost of making blood -The cost of diffusion -The cost of pumping blood -All of the above 6) Endothelial cells lining blood vessels detect -Shear stress -Tensile stress -Compressive stress -Psychological stress 7) The blood pressure is greatest -In the aorta -In the Arteries -in the Capillaries -All of the above 8) Transport through a biological circulatory system includes transport of -amino acids -carbon dioxide -glucose -All of the above -AB -none of the above
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8b) Transport through a biological circulatory system includes transport of -amino acids -hormones -hydrofluric acid -fatty acids -All of the above -ABC -ABD -ACD 8c) Transport through a biological circulatory system includes transport of --oxygen -co2 -glucose -nitrogen -all of the abnove -abc -acd 8d) Transport through a biological circulatory system includes transport of -oxygen -carbon dioxide -glucose -urea -All of the above -ABC -ACD 9) The purpose of the circulatory system -Transport of materials such as nutrients, water, and gases that enter the body of the organism from the external environment -Transport of wastes that the cells produce to the external environment -Transport of some cellular products to other parts of the body -All of the above -A and B -A and C -B and C 10) In a pipe, if the radius of 4 mm decreases to half the original size, in order to keep flow rate Q the same, what must change? -µ increases -∆p decreases -∆p increases 11) Murray’s Law -Says that the radii cubed of the original vessel is equal to the sum of the cubes of the radii of the next smaller vessels -That the volume flow rate is proportional to the cube of the radius of the vessel -Is applicable to vessels where bulk transport is occurring -All of the above 12) Peclet’s number compares convective transport to diffusion transport. -True -False
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13) In bulk transport vessels, each daughter vessel will have a radius that is 79.4% of the parent vessel. -True -False 14) Which factors, when increased, will increase the resistance to fluid moving in a pipe -length of pipe -viscosity -the fourth power of the radius of the pipe -All of the above -A and B 15) In discussing diffusion in biological systems, a substantial distance is - 10 nm -10 microns -10 mm -10 m 16) In Fick's law of diffusion, if the distance (across the membrane) is decreased the steepness of the
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This note was uploaded on 08/27/2009 for the course BIO 123667 taught by Professor Pauken during the Spring '09 term at ASU.

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Fluids2_all-1.doc - BME 111 Quiz 13 Questions: Fluids In 1)...

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