Human Anatomy & Physiology
1st Edition
ISBN: 9780805382952
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
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 - Prob. 2QCCh. 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 -
7. Fill in the blanks: Glomerular hydrostatic...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. Mark the following statements as true or...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 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_forwardhow does aldosterone affect water and sodium reabsorption and secretion of potassium in the collecting duct ?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_forwardDescribe 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_forward
- What is the primary purpose of diuretics?arrow_forwardThe 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_forward
- Which of these four hormones—angiotensin II, antidiuretic hormone, aldosterone, and atrial natriuretic peptide—increases urine output?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_forwardThe process of hydrogen ion secretion in the proximal convoluted tubule occurs via which of the following mechanisms? Choose from the following: (A) hydrogen ions diffuse out of the glomerular filtrate of the proximal convoluted tubule, through extracellular fluid and into the peritubular blood (B) carbon dioxide diffuses into the proximal convoluted tubule cell from peritubular capillary blood; undergoes a chemical reaction to form carbonic acid; dissociates into hydrogen and bicarbonate ions; the hydrogen ion diffuses into the glomerular filtrate of the proximal convoluted tubule (C) hydrogen ions diffuse out of the peritubular capillary blood, through extracellular fluid and into the filtrate of the proximal convoluted tubule (D) carbon dioxide diffuses into the proximal convoluted tubule cell from the glomerular filtrate; undergoes a chemical reacdtion to form carbonic acid; dissociates into hydrogen and bicarbonate ions; the hydrogen ions diffuse into the peritubular bloodarrow_forward
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