Pearson eText Principles of Human Physiology -- Instant Access (Pearson+)
6th Edition
ISBN: 9780135213001
Author: Cindy Stanfield
Publisher: PEARSON+
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Textbook Question
Chapter 18, Problem 7E
Which of the following would occur if mean arterial pressure increased from 95 mm Hg to 125 mm Hg?
a. Glomerular filtration rate would increase because of the increased glomerular capillary hydrostatic pressure
b. Glomerular filtration rate would decrease because of the increased Bowman's capsule hydrostatic pressure.
c. Glomerular filtration rate would not change because Of autoregulation.
d. Glomerular filtration rate would not change because of activation of the sympathetic nervous system.
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Check out a sample textbook solutionStudents have asked these similar questions
Which force(s) involved in glomerular filtration oppose(s) filtration from the glomerulus into Bowman's capsule?
A.
plasma osmotic pressure (especially of non-filterable plasma proteins)
B.
glomerular capillary blood pressure
C.
Bowman's capsule hydrostatic pressure
D.
Both of answer choices A and B (but not C) correctly answer the question.
E.
Both of answer choices A and C (but not B) correctly answer the question.
Glomerular filtration can be increased by which of the following?
A. Increasing blood flow via afferent arteriole
B. Decreasing blood flow via afferent arteriole
C. Decreasing arterial blood pressure
D. Increasing blood flow via efferent arteriole
The answer is (A) Increasing blood flow via afferent arteriole. Please explain why it is not the other options (B,C,D)
Which of these forces opposes filtration from the glomerulus
a. Plasma osmotic pressure
b. Fluid pressure in Bowmans capsule
c. Plasma hydrostatic pressure
d. Two of the presented alternatives are correct
Chapter 18 Solutions
Pearson eText Principles of Human Physiology -- Instant Access (Pearson+)
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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- Which 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 would reduce the glomerular filtration rate? Select one: a. Vasodilation of the afferent arteriole b. An increase in osmotic pressure in the Bowman capsule c. A drop in colloid osmotic pressure d. Vasoconstriction of the afferent arteriole e. Vasoconstriction of the efferent arteriolearrow_forwardIf the tubular maximum is exceeded, then a. the carrier mechanism will work harder. b. the excess will be reabsorbed in the bladder. c. the excess will appear in the urine. d. its blood concentration will increase.arrow_forward
- Which of the following will decrease filtration at the glomerulus? ( check all that apply) A. Low colloid osmotic pressure B. Low capsular pressure C. A relatively large diameter of theefferent arterioles compared to theafferent arteriole. D. Increased number of podocytes at theglomerulusarrow_forwardWhich of the following is NOT a component of the glomerular filtration barrier? a. Endothelial cells b. Lamina Densa c. Lamina Reticularis d. Lamina Rara e. Podocytesarrow_forwardA pt was born with a rare genetic disorder in which the proximal tubules of her nephrons express half the number of aquaporins as normal. What will result? A. reduced reabsorption of water, although as much reabsorption of Na+ as is typical? b. reduced reabsorption of water, Na+ and glucose in the proximal tubules? c. Reduced reabsorption of both water and Na+ in equal proportions? D. Reduced reabsorption of all materials in the proximal tubules.arrow_forward
- During urine formation, movement of ions against concentration gradient from glomerular iltrate back into the plasma is called: a. Difusion b. Active transport c. Osmosis d. Filtrationarrow_forwardFor a urine output of 1 ml/min and renal plasma flow of 600 ml/min what is the exact amount of flow in the renal vein? A. 1000 ml/min OB. 100 ml/min C. 10 ml/min O D. 1 ml/min OE. Cannot be determined from what is givenarrow_forwardWhich of the following is NOT a factor affecting glomerular filtration? a. blood volume b.fenestrae c. renin d hydrostatic pressure e . erythropoietinarrow_forward
- Which one of the following statements is false?a. Blood pressure in the glomerular capillaries is greater than the osmotic pressure exerted by proteins in the plasma within the glomerular capillaries.b. If the osmotic pressure exerted by solutes in the peritubular capillaries is greater than the blood pressure in those capillaries, then water will be reabsorbed.c. Endothelial cells in glomerular capillaries are highly permeable, facilitating filtration of fluid into Bowman’s capsule.d. Constriction of the afferent arteriole is likely to reduce the volume of filtrate appearing in Bowman’s capsule.e. The efferent arteriole carries blood from the glomerular capillaries directly to the renal vein.0.5 pointsQuestion 2Your doctor calls with the results of your urinalysis and tells you that they found proteinuria, the presence of abnormal amounts of protein in your urine sample. What could have caused this?a. Infection and inflammation in the kidney.b. Abnormally high concentration of plasma…arrow_forwardConstriction of the efferent arteriole of the renal corpuscle will cause ________________ to rise. A. Glomerular Osmotic Pressure B. Glomerular Hydrostatic Pressure C. Capsular Osmotic Pressure D. Capular Hydrostatic Pressurearrow_forwardTo control size-determined filtration, capillaries of the glomerulus inside the Bowman’s capsule are: A. continuous wrapped in glia B. sinusoid C. fenestrated D. continuousarrow_forward
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