Human Anatomy & Physiology (2nd Edition)
2nd Edition
ISBN: 9780134553511
Author: Erin C. Amerman
Publisher: PEARSON
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Chapter 24.5, Problem 7QC
Summary Introduction
To review:
The impact of aldosterone on reabsorption and secretion in the late distal tubule and cortical collecting duct.
Introduction:
The main cell type in the late distal tubule as well as cortical collecting duct is known as theprincipal cell. These cells contain receptors for hormones like aldosterone, antidiuretic hormone, and atrial natriuretic peptide. A small number of intercalated cells are also present in these regions. Tubular reabsorption is the process of transportation of substances from tubule filtrate into the interstitial fluid, whereas secretion involves the release of harmful substances into the tubule for excretion.
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How does aldosterone impact reabsorption and secretion in the late distal tubule and cortical collecting duct?
A 37-year-old man has hypertension caused by aldosterone-secreting neoplasm. Which of the following is the likely effect on renal function?
A) Decreased reabsorption of phosphate by distal tubule
(B). Decreased secretion of H+ by collecting duct by collecting duct
(C) Decreased secretion of K+ by collecting duct
(D) Increased reabsorption of Na+ by the collecting duct
(E) Increased reabsorption of Na+ by the proximal tubule
What effect would increased aldosterone secretion have on the K+ concentration in urine?
Chapter 24 Solutions
Human Anatomy & Physiology (2nd Edition)
Ch. 24.1 - What are the organs of the urinary system?Ch. 24.1 - 2. What are the basic functions of the kidneys?
Ch. 24.2 - Prob. 1QCCh. 24.2 - 2. What are the three regions of the kidney, and...Ch. 24.2 - Prob. 3QCCh. 24.2 - Trace the sequence of blood flow through the...Ch. 24.2 - Prob. 5QCCh. 24.2 - Prob. 6QCCh. 24.2 - Trace the pathway filtrate takes through the...Ch. 24.3 - Prob. 1QC
Ch. 24.3 - 2. How do tubular reabsorption and tubular...Ch. 24.4 - Prob. 1QCCh. 24.4 - Prob. 2QCCh. 24.4 - Prob. 3QCCh. 24.4 - 4. What is the GFR?
Ch. 24.4 - Prob. 5QCCh. 24.4 - Prob. 6QCCh. 24.4 - 7. How does tubuloglomerular feedback affect the...Ch. 24.4 - Prob. 8QCCh. 24.4 - Prob. 9QCCh. 24.4 - Prob. 10QCCh. 24.4 - How does the sympathetic nervous system affect the...Ch. 24.5 - Prob. 1QCCh. 24.5 - 2. What are the three types of transport...Ch. 24.5 - Prob. 3QCCh. 24.5 - What is obligatory water reabsorption?Ch. 24.5 - How do the permeabilities of the two limbs of the...Ch. 24.5 - Prob. 6QCCh. 24.5 - Prob. 7QCCh. 24.5 - Prob. 8QCCh. 24.6 - Prob. 1QCCh. 24.6 - Prob. 2QCCh. 24.6 - Prob. 3QCCh. 24.6 - Prob. 4QCCh. 24.6 - 5. What three factors allow the kidney to produce...Ch. 24.6 - 6. How is concentrated urine produced?
Ch. 24.8 - 1. What is the normal composition of urine?
Ch. 24.8 - Prob. 2QCCh. 24.8 - 3. What is renal clearance, and what is it used...Ch. 24.9 - Prob. 1QCCh. 24.9 - 2. What are the functions of the ureters and...Ch. 24.9 - Prob. 3QCCh. 24.9 - Prob. 4QCCh. 24.9 - Prob. 5QCCh. 24 - What are the four main organs of the urinary...Ch. 24 - 2. Which of the following is not a physiological...Ch. 24 - Mark the following statements as true or false. If...Ch. 24 - Prob. 4CYRCh. 24 - Prob. 5CYRCh. 24 - Which of the following substances would pass...Ch. 24 - Mark the following statements as true or false. If...Ch. 24 - Fill in the blanks for the following statements:...Ch. 24 - Which of the following is false about the GFR? a....Ch. 24 - The route by which substances are reabsorbed by...Ch. 24 - 11. Fill in the blanks: Glomerular hydrostatic...Ch. 24 - Dilute urine is produced when decreased levels of...Ch. 24 - Prob. 13CYRCh. 24 - Prob. 14CYRCh. 24 - Prob. 15CYRCh. 24 - 16. The GFR may be estimated by measuring the rate...Ch. 24 - Prob. 17CYRCh. 24 - Prob. 1CYUCh. 24 - Prob. 2CYUCh. 24 - Prob. 3CYUCh. 24 - Why must the kidneys establish a concentration...Ch. 24 - 1. Drugs that treat hypertension, or high blood...Ch. 24 - Prob. 2AYKACh. 24 - 3. Deana is a 4-year-old girl with a rare genetic...Ch. 24 - 4. Explain how each of the drugs in question 1...Ch. 24 - 5. What might it mean if you found a high...
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- how does aldosterone affect water and sodium reabsorption and secretion of potassium in the collecting duct ?arrow_forwardHow does the secretion of ADH affect urine volume and urine concentration? What factors increase the release of ADH from the posterior pituitary gland? How would you alter the secretion of aldosterone and ADH to reabsorb more sodium without reabsorbing large quantities of water from the filtrate?arrow_forwardWhat would be the effect of increased or decreased aldosterone secretion on plasma and urine volume and osmolarity?arrow_forward
- How does aldosterone affect the volume of urine excreted?arrow_forwardList the Pathways by which decreased plasma volume leads, via the renin-angiotensin system and aldosterone, to increased Na1 reabsorption by the cortical collecting ducts?arrow_forwardWhat are the effects of aldosterone on Na+ andCl−transport? How does aldosterone affect urineconcentration, urine volume, and blood pressure?arrow_forward
- Describe a physiological stimulus for the secretion of aldosterone. What effect would this have on sodium and potassium reabsorption and secretion in the distal nephron?arrow_forwardWhat is the primary purpose of diuretics?arrow_forwardDuring a state of low blood volume and decreased extracellular sodium level (as in cardiac failure), which one of the following occurs? 1) B. Aldosterone is produced by the kidneys, leading to the release of renin, which increases kidney reabsorption of sodium. 2) D. Antidiuretic hormone produced by the kidneys stimulates the production of aldosterone by the adrenal gland, which increases reabsorption of sodium and water retention. 3) A. Renin is produced by the kidneys and is converted to angiotensin, which induces the secretion of aldosterone by the adrenal gland, which in turn increases reabsorption of sodium and retention of water. 4) C. Renin is produced by the adrenal glands, leading to vasoconstriction and production of antidiuretic hormone by the pituitary gland, which increases fluid volume by causing water retention. no references, just homeworkarrow_forward
- The higher the plasma concentration of aldosterone, themore efficiently the kidney will(a) conserve sodium ions.(b) retain potassium ions.(c) stimulate urinary water loss. (d) secrete greater amounts of ADH.arrow_forwardIf less ADH is produced in the kidneys, what happens to the amount of water reabsorbed by the blood?arrow_forwardHow does the hormone aldosterone influence potassium levels? a.) It increases potassium secretion by the kidneys and decreases potassium blood concentration. b.) It increases potassium secretion by the kidneys and increases potassium blood concentration. c.) It increases potassium reabsorption by the kidneys and decreases potassium blood concentration. d.) It increases potassium reabsorption by the kidneys and increases potassium blood concentration.arrow_forward
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