ANATOMY+PHYSIOLOGY (LOOSELEAF)-W/ACCESS
6th Edition
ISBN: 9780134493992
Author: Marieb
Publisher: PEARSON
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Chapter 25, Problem 5MC
Two main substances regulated by the influence of aldosterone on the kidney tubules.
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Aldosterone is required to restore water from loop of Henle, and reabsorption of Na+ from this segment is increased by ADH, allowing equilibration of water with the hyperosmotic interstitium
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The reabsorption of water, Cl–, and glucose by the PCT islinked to the reabsorption of Na+, but in three very different ways. Contrast these three mechanisms
Chapter 25 Solutions
ANATOMY+PHYSIOLOGY (LOOSELEAF)-W/ACCESS
Ch. 25.1 - Which do you have more of, extracellular or...Ch. 25.1 - What is the major cation in the ECF? In ICF? What...Ch. 25.1 - If you eat salty pretzels without drinking, what...Ch. 25.2 - Prob. 6CYUCh. 25.2 - ADH, by itself, cannot reduce an increase in...Ch. 25.2 - For each of the following, state whether it might...Ch. 25.3 - Nathan has Addisons disease (insufficient...Ch. 25.3 - Prob. 9CYUCh. 25.3 - Prob. 10CYUCh. 25.4 - Define acidemia and alkalemia.
Ch. 25.4 - What are the bodys three major chemical buffer...Ch. 25.4 - Joanne, a diabetic patient, is at the emergency...Ch. 25.5 - Reabsorption of HCO3 is always tied to the...Ch. 25.5 - Prob. 14CYUCh. 25.5 - Prob. 15CYUCh. 25.5 - Prob. 16CYUCh. 25.6 - Which two abnormalities in plasma are key features...Ch. 25.6 - How do the kidneys compensate for respiratory...Ch. 25 - Body water content is greatest in (a) infants, (b)...Ch. 25 - Potassium, magnesium, and phosphate ions are the...Ch. 25 - Sodium balance is regulated primarily by control...Ch. 25 - Prob. 4MCCh. 25 - Two main substances regulated by the influence of...Ch. 25 - Two substances regulated by parathyroid hormone.Ch. 25 - Two substances secreted into the proximal...Ch. 25 - Prob. 8MCCh. 25 - Prob. 9MCCh. 25 - Prob. 10MCCh. 25 - Prob. 11MCCh. 25 - The pH of blood varies directly with (a) HCO3, (b)...Ch. 25 - In an individual with metabolic acidosis, a clue...Ch. 25 - Name the body fluid compartments, noting their...Ch. 25 - Prob. 2SAQCh. 25 - Prob. 3SAQCh. 25 - Prob. 4SAQCh. 25 - Prob. 5SAQCh. 25 - Explain how the chemical buffer systems resist...Ch. 25 - Explain the relationship of the following to renal...Ch. 25 - Mr. Heyden, a somewhat stocky 72-year-old man, is...Ch. 25 - Mr. Heyden, a somewhat stocky 72-year-old man, is...Ch. 25 - Mr. Heyden, a somewhat stocky 72-year-old man, is...Ch. 25 - Mr. Heyden, a somewhat stocky 72-year-old man, is...
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- How could an antagonistic drug for aldosterone receptors on the basolateral surface of the DCT/collecting duct cells result inhyperkalemia? (Also be thinking about a separate hormone, ADH: What would an ADH inhibitor to do to urine volume and how would that effect the osmolarity of the blood?arrow_forwardRenal tubules cannot reabsorb HCO3–; yet HCO3–concentration in the tubular fluid falls while in the blood plasma itrises. Explain this apparent contradiction.arrow_forward_____________ is a steroid that promotes Na+ and water retention by the kidney.arrow_forward
- Describe the effects of aldosterone on the renal nephrons and explain how aldosterone secretion is regulated.arrow_forwardThe relationship between ADH and the tubular re-absorbtion of water?arrow_forwardWhen a patient is treated with a drug that counteracts the effect of aldosterone (aldosterone antagonist), which of the following parameters are likely to fall? Sodium excreted in the urine Blood volume Urine volume Plasma potassium concentration Blood viscosityarrow_forward
- Explain why the total renal blood flow can be measured by the renal plasma clearance of PAH.arrow_forwardTrue or false sodium potassium and chloride are filtered out of the blood into the renal tubular then selectively re-absorbed into the bloodstream to carefully regulate blood volumearrow_forwardA person has a tumor of the adrenal cortex that hypersecretes aldosterone and is not regulated bythe normal negative feedback controls. What symptoms might this person exhibit and how does thiscondition affect his kidney function? Would he have polyuria?arrow_forward
- Describe the functions of hornones – ADH and Aldostrone – in urinary systemarrow_forwardIndicate whether the following sentence is True or False Aldosterone is required to restore water from loop of Henle, and reabsorption of Na+ from this segment is increased by ADH, allowing equilibration of water with the hyperosmotic interstitiumarrow_forwardTrue or false When a substance gets actively reabsorbed, ATP is spent to power the movement of that substance without any carrier molecule from the nephron back into the blood stream. (explain why)arrow_forward
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