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What is the high pressure vessel that forces fluid and solutes into the glomerular capsule?
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What were the two main forces acting on Felix Baumgartner when he jumped out of the capsule?
the two main forces are air resistance and gravity
Why can forces be transferred in a liquid?
In a liquid, forces are basically transferred as pressure.
What factor gives forces to fluids?
Pressure
What are two forces in nature that we experience everyday?
gravityair pressure
What kind of force is pressure?
Trying to remember my forces. I think pressure is either a potential force... or a static force.
What is the force that causes water and solutes to be filtered by the glomerulus?
Hydrostatic pressure. The vessel draining the glomerulus has a smaller internal diameter than the vessel feeding it. This means that blood doesn't exit the glomerulus as quickly as it enters. This creates a pressure, called hydrostatic pressure, within the glomerular capillaries and that pressure forces the fluids and many solutes into the glomerular capsule surrounding the glomerulus.
Why is glomerulus a high pressure capillary bed?
The diameter of the afferent renal arteriole narrows progressively more and more into the glomerular capillaries, with the same blood flow, leading to an increase in pressure within the glomerulus. This is so that the high pressure can force solutes and water across into the Bowman's capsule for the renal tubules.
Define glomerular filtration rate Name and describe the pressures which are effective at the glomerulus under normal conditions and result in glomerular filtration?
Glomerular filtration is a passive process in which hydrostatic pressure forces fluids and solutes through a membraneThe glomerular filtration rate (GFR) is directly proportional to the net filtration pressure and is about 125 ml/min (180 L/day).The glomeruli function as filters. High glomerular blood pressure (55 mm Hg) occurs because the glomeruli are fed and drained by arterioles, and the afferent arterioles are larger in diameter than the efferent arterioles.
When blood pressure in capillaries forces water and dissolved solutes out into the tissue fluid this is called?
filtration
Can you describe three pressures operating at the filtration membrane and explain how each influences net filtration pressure?
The chief force is: 1. Glomerular hydrostatic pressure-- (HPg) Then, there are two opposing forces: 2. Colloid osmotic pressure of glomerular blood-- (OPg) 3. Capsular hydrostatic pressure -- (HPc) They influence Net Filtration Pressure in the following manner: NFP= HPg - (OPg+HPc)
Why does blood get filtered by the kidneys?
Blood pressure promotes filtration of blood in the kidneys by, generally, being greater in pressure than blood colloid osmotic pressure and glomerular capsule pressure which produces a net filtration pressure of about 10 mm Hg. Net filtration pressure forces a large volume of fluid into the capsular space. When blood pressure increase or decreases slightly, changes in the diameters of the afferent and efferent arterioles can actually keep net filtration pressure steady to maintain normal glomerular filtration. Constriction of the afferent arteriole decreases blood flow into the glomerulus, which decreases net filtration pressure. Constriction of the efferent arteriole slows outflow of blood and increases net filtration pressure.
The movement of fluid into Bowman's capsule is opposed by?
The movement of materials into Bowman's capsule is opposed by two forces.1) Capsule pressure (CP) produced by the walls of Bowman's capsule and fluid alreadyinside the capsule.2) Colloid osmotic pressure (COP) results from the proteins in the blood. Because most proteins do not pass from the blood into the filtrate, the blood is more concentrated than the filtrate. Therefore water tends to move from the capsule back into the blood.
What is the transport is it when the blood pressure forces some water and solute particles from a blood vessel and into the kidneys?
Filtration is when fluids and solutes flow down their pressure gradient across a membrane such as in the glomerulus of the kidney.
What forces drive filtration across the walls of glomerular capillaries?
Ask Professor Emerick
What were the two main forces acting on Felix Baumgartner when he jumped out of the capsule?
the two main forces are air resistance and gravity
What is ultrafiltration for renal dialysis?
It is the removal of solvents containing solutes across a semipermeable membrane within the filter/dialyser during haemodialysis that is achieved through the programmed pressure (Transmembrane Pressure or TMP)which is artifically exerted by a combination of two forces 1) the positive hydrostatic pressure (or pump speed) and the negative dialysate pressure brought about by a pump within the circuit. The net movement and removal of fluid/solvents is Ultrafiltration.
What labs get centrifuged?
The only lab that is centrifuged is the capsule for training pilots and astronauts to handle high "G" forces.
