Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 17, Problem 17RA
Scientists currently believe that the main barrier to the filtration of proteins into the glomerular capsule is the
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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)
To control size-determined filtration, capillaries of the glomerulus inside the Bowman’s capsule are:
A. continuous wrapped in glia
B. sinusoid
C. fenestrated
D. continuous
Glomerular colloid osmotic pressure (GCOP) is created by:- a. systemic blood pressure. b. filtrate in the capsular space. c. proteins such as albumin in the blood. d. fluids in the blood plasma.
Chapter 17 Solutions
Human Physiology
Ch. 17 - Describe the "theme" of kidney function in a...Ch. 17 - Draw and label the tubular components of a nephron...Ch. 17 - Trace the course of tubular fluid from the...Ch. 17 - Trace the course of blood flow through the kidney...Ch. 17 - Describe the structures that plasma fluid must...Ch. 17 - Describe the forces that affect the formation of...Ch. 17 - Explain the significance of the glomerular...Ch. 17 - Prob. 5bCPCh. 17 - Describe the mechanisms for salt and water...Ch. 17 - Compare the transport of and water across the...
Ch. 17 - Describe the interaction between the ascending and...Ch. 17 - Explain how ADH helps the body conserve water. How...Ch. 17 - Define renal plasma clearance and describe how...Ch. 17 - Define the terms reabsorption and secretion. Using...Ch. 17 - Explain why the total renal blood flow can be...Ch. 17 - Define transport maximum and renal plasma...Ch. 17 - Describe the effects of aldosterone on the renal...Ch. 17 - Prob. 11bCPCh. 17 - Explain the mechanisms by which the cortical...Ch. 17 - Explain how the kidneys reabsorb filtered...Ch. 17 - Suppose a person with diabetes mellitus had an...Ch. 17 - List the different categories of clinical...Ch. 17 - Explain why most diuretics can cause excessive...Ch. 17 - Define uremia and discuss the dangers associated...Ch. 17 - Which of these statements about the renal pyramids...Ch. 17 - Match the following items:
Active transport of...Ch. 17 - Match the following items:
Active transport of...Ch. 17 - Match the following items:
Passively permeable to...Ch. 17 - Match the following items:
Passively permeable to...Ch. 17 - Antidiuretic hormone promotes the retention of...Ch. 17 - Aldosterone stimulates sodium reabsorption and...Ch. 17 - Substance X has a clearance greater than zero but...Ch. 17 - Prob. 9RACh. 17 - About of the glomerular ultrafiltrate is...Ch. 17 - Diuretic drugs that act in the nephron loop...Ch. 17 - The appearance of glucose in the urine a. occurs...Ch. 17 - Reabsorption of water through the tubules occurs...Ch. 17 - Which of these factors oppose(s) filtration from...Ch. 17 - The countercurrent exchange in the vasa recta...Ch. 17 - The kidneys help to maintain acid-base balance...Ch. 17 - Scientists currently believe that the main barrier...Ch. 17 - A drug that blocks the action of the organic anion...Ch. 17 - Explain how glomerular ultra filtrate is produced...Ch. 17 - Describe the transport properties of the nephron...Ch. 17 - Prob. 21RACh. 17 - Prob. 22RACh. 17 - Prob. 23RACh. 17 - Prob. 24RACh. 17 - Identify where secretion occurs in the nephron,...Ch. 17 - Which diuretic drugs do not produce hypokalemia?...Ch. 17 - Prob. 27RACh. 17 - Prob. 28RACh. 17 - Prob. 29RACh. 17 - Prob. 30RACh. 17 - Prob. 31RACh. 17 - Prob. 32RACh. 17 - s Suppose a woman with a family history of...Ch. 17 - Prob. 34RACh. 17 - Prob. 35RACh. 17 - Prob. 36RACh. 17 - Prob. 37RACh. 17 - Prob. 38RACh. 17 - Prob. 39RACh. 17 - Prob. 40RACh. 17 - Prob. 41RACh. 17 - Prob. 42RA
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- 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_forwardA viral infection that specifically interferes with the reabsorption of ions from the glomerular filtrate would attack cells located in thea. Bowman’s capsule.b. glomerulus.c. renal tubules.d. collecting duct.arrow_forwardWhich 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_forward
- Auto-Regulation of GFR is possible because the glomerular capillaries are located between: 46. A. An arteriole and two venules B. An arteriole and three venules C. An arteriole and a large lymph vessel D. An arteriole and another arteriolearrow_forwardGlomerular Filtration Rate (GFR) can be regulated by individual nephrons..which of the following represent the structures that play a role in this "Tubulo-Glomerular Feedback" mechanism? 45. ies, that A. The Corpus-Callosum and the Macula Densa. B. The Juxta-Glomerular Apparatus C. The Supra-Bowmanic Recipricator D. The Osmotic Filament Feedback Modulearrow_forwardThe pores of the endothelial cells of the glomerular capillaries are called_________. Select one: a. gap junctions b. fenestrae c. membrane channels d. macula densa e. filtration slitsarrow_forward
- Which 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_forwardWhich 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 correctarrow_forwardWhich of these structures contain(s) blood?a. glomerulus d. Bowman capsuleb. vasa recta e. Both a and b are correct.c. distal convoluted tubulearrow_forward
- If blood pressure in the glomerulus increases, then a. net filtration pressure decreases. b. the percentage of substances reabsorbed increases. c. urine production increases. d. renin is released.arrow_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_forwardWhat does the juxtaglomerular appartus consist of? A. Macula densa of distal tube B. Juxtaglomerular cells of afferent arteriole C. Macula densa of proximal tubule D. A, B E. All of the abovearrow_forward
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