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a) Calculate the filtration pressure from the figures given i.e. the net force moving fluid out of th glomerulus. Show your working. Filtration pressure, and therefore the rate at which fluid passes from the glomerulus into the Bowman's capsule, varies with blood pressure. b) If the renal artery was restricted with a clamp so that the blood pressure in the afferent artery fell to about 5.5kPa, what would happen to the production of urine? Give a reason for your deduction. c) A person fasted overnight and then swallowed 75g of glucose. The graph shows the resulting tration of inculin and alucose in the hlood

a) Calculate the filtration pressure from the figures given i.e. the net force moving fluid out of th glomerulus. Show your working. Filtration pressure, and therefore the rate at which fluid passes from the glomerulus into the Bowman's capsule, varies with blood pressure. b) If the renal artery was restricted with a clamp so that the blood pressure in the afferent artery fell to about 5.5kPa, what would happen to the production of urine? Give a reason for your deduction. c) A person fasted overnight and then swallowed 75g of glucose. The graph shows the resulting tration of inculin and alucose in the hlood

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Collecting tubule a) Calculate the filtration pressure from the figures given i.e. the net force moving fluid out of the glomerulus. Show your working. Filtration pressure, and therefore the rate at which fluid passes from the glomerulus into the Bowman's capsule, varies with blood pressure. b) If the renal artery was restricted with a clamp so that the blood pressure in the afferent artery fell to about 5.5kPa, what would happen to the production of urine? Give a reason for your deduction. c) A person fasted overnight and then swallowed 75g of glucose. The graph shows the resulting changes in the concentration of insulin and glucose in the blood. DOD
Transcribed Image Text:Collecting tubule a) Calculate the filtration pressure from the figures given i.e. the net force moving fluid out of the glomerulus. Show your working. Filtration pressure, and therefore the rate at which fluid passes from the glomerulus into the Bowman's capsule, varies with blood pressure. b) If the renal artery was restricted with a clamp so that the blood pressure in the afferent artery fell to about 5.5kPa, what would happen to the production of urine? Give a reason for your deduction. c) A person fasted overnight and then swallowed 75g of glucose. The graph shows the resulting changes in the concentration of insulin and glucose in the blood. DOD
The diagram below of part of a nephron shows some of the pressure gradients that are involved in the movement of fluids from blood to the glomerular filtrate within the Bowman's capsule. The numbers represent hydrostatic pressure in kPA. Afferent arteriole (9.32) Glomerulus Efferent arteriole (2.34) -Bowman's caps Colloid osmotic pressure of the plasma in the glomerular capillaries (4.26) Net fitration Distal convoluted Proximal convoluted tubule tubule (1.33)
Transcribed Image Text:The diagram below of part of a nephron shows some of the pressure gradients that are involved in the movement of fluids from blood to the glomerular filtrate within the Bowman's capsule. The numbers represent hydrostatic pressure in kPA. Afferent arteriole (9.32) Glomerulus Efferent arteriole (2.34) -Bowman's caps Colloid osmotic pressure of the plasma in the glomerular capillaries (4.26) Net fitration Distal convoluted Proximal convoluted tubule tubule (1.33)
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