Principles of Human Physiology (6th Edition)
6th Edition
ISBN: 9780134169804
Author: Cindy L. Stanfield
Publisher: PEARSON
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Textbook Question
Chapter 18.3, Problem 18.2.1QC
Indicate whether the GFR will tend to rise or fall in response to an increase in each of the following: the glomerular filtration pressure, the glomerular capillary hydrostatic pressure, the glomerular capillary osmotic pressure, the hydrostatic pressure in Bowman's capsule, the osmotic pressure in Bowman's capsule, the concentration of proteins in the plasma.
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Discuss the pressures of filtration indicating the hydrostatic and colloidal osmotic pressures responsible for moving substances in or out of the glomerulus. Name each pressure and write an equation that indicates the pressures affecting glomerular filtration.
Given: Inulin is freely filtered in the glomerulus and not secreted nor reabsorbed in any appreciable amount at the nephron. If the concentration of inulin in the urine is 20 mg/mL, the concentration in blood plasma is 0.2 mg/mL plasma, and the rate of urine flow is 1 mL/min.
a. What is GFR for this person?
(Answer part a)
Chapter 18 Solutions
Principles of Human Physiology (6th Edition)
Ch. 18.2 -
Describe the symptoms that indicate the presence...Ch. 18.2 - What treatments are available for removing or...Ch. 18.2 - Prob. 3CTQCh. 18.2 - Prob. 18.1.1QCCh. 18.2 - Prob. 18.1.2QCCh. 18.2 - Prob. 18.1.3QCCh. 18.2 - Prob. 18.1.4QCCh. 18.3 - Indicate whether the GFR will tend to rise or fall...Ch. 18.3 - Prob. 18.2.2QCCh. 18.3 -
Is the control of afferent and efferent...
Ch. 18.3 -
Describe the barriers for reabsorption and...Ch. 18.3 -
Describe the general mechanism of water...Ch. 18.3 -
Define the terms transport maximum and renal...Ch. 18.3 - Prob. 1CTQCh. 18.3 - Prob. 2CTQCh. 18.3 - Prob. 3CTQCh. 18.5 - Prob. 1CTQCh. 18.5 - Prob. 2CTQCh. 18.5 - Prob. 3CTQCh. 18.5 - Prob. 18.4.1QCCh. 18.5 - Prob. 18.4.2QCCh. 18.5 - Prob. 18.4.3QCCh. 18.5 -
Describe the innervation of the bladder,...Ch. 18 - Prob. 1ECh. 18 -
Which of the following is not one of the...Ch. 18 - Which type of specialized junction connects...Ch. 18 - Which of the following does not favor a large...Ch. 18 - Prob. 5ECh. 18 - Prob. 6ECh. 18 - Which of the following would occur if mean...Ch. 18 - Prob. 8ECh. 18 - Prob. 9ECh. 18 - Prob. 10ECh. 18 -
Micturition occurs in response to
a Relaxation...Ch. 18 - The (ureter/urethra) carries urine from the...Ch. 18 - Urinary excretion is the elimination of urine from...Ch. 18 -
The (afferent/efferent) arteriole carries blood...Ch. 18 - Prob. 15ECh. 18 - Prob. 16ECh. 18 - Prob. 17ECh. 18 - Prob. 18ECh. 18 - Prob. 19ECh. 18 - Prob. 20ECh. 18 - Prob. 21ECh. 18 - Prob. 22ECh. 18 -
Substances that are reabsorbed move into the...Ch. 18 - An increase in the flow rate through the macula...Ch. 18 -
Glucose reabsorption occurs primarily in the...Ch. 18 -
Describe the pathway of filtrate flow from the...Ch. 18 - Explain why the glomerular filtration rate does...Ch. 18 - Prob. 28ECh. 18 - Explain the concept of transport maximum. Why does...Ch. 18 - Prob. 30ECh. 18 - Prob. 31ECh. 18 - Prob. 32ECh. 18 - Prob. 33ECh. 18 -
Compare the responses of the smooth muscle in...
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- A urinalysis reveals that the patients urine contains glucose, hemoglobin, and white blood cells (pus). Are any of these substances abnormal in urine? Explain.arrow_forwardWhich of the following does not contribute to the process of filtration? (a) active transport by epithelial cells lining renal tubules (b) large surface area for filtration (c) low permeability of glomerular capillaries (d) high hydrostatic blood pressure in glomerular capillaries (e) podocytesarrow_forwardWhich of the following does not contribute to the high salt concentration in the interstitial fluid of the kidney medulla? (a) active transport of sodium from the upper part of the ascending limb (b) diffusion of salt from the ascending limb of the loop of Henle (c) reabsorption of salt from various regions of Bowmans capsule (d) counterflow of fluid through the two limbs of the loop of Henle (e) diffusion of urea out of the collecting ductarrow_forward
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