Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 50, Problem 4A
Caffeine inhibits the secretion of ADH. Prior to an exam, you have a large coffee. During the exam, you can expect
a. greater water reabsorption from the collecting duct.
b. less water reabsorption from the collecting duct.
c. an increase in reabsorption of glucose from the proximal convoluted tubule.
d. a decrease in reabsorption of glucose from the proximal convoluted tubule.
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a person with hypertension is given an angiotensin receptor blocker. identify the effects of this drug. CHECK ALL THAT APPLY
a. decreased sodium reabsorption from the distal tubule and collecting duct
b. increased thirst
c. increased water reabsorption
d. vasodilation
If aldosterone was inhibited, which of the following would be affected?
A. Na+/K+ pump activity in the descending limb of Henle.
B. Na+ reabsorption in the proximal tubule.
C. Transcellular transportation in the distal convoluted tubule.
D. K+ reabsorption in the proximal
The result of renal autoregulation is(are):
A. Minimize loss of water in urine after an increase of cardiac output
B. Minimize decrease of ECF after an increase of cardiac output
C. Minimize effect of increased systemic pressure on urine output
OD. Minimize loss of sodium in urine after an increase of cardiac output
OE. All of the above
Chapter 50 Solutions
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- For 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_forwardBoth ADH and aldosterone act to a.increase urine volume. b.increase blood volume. c.increase total peripheral resistance. d.produce all of these effects.arrow_forwardWhich of the following is TRUE concerning renal handling of potassium? a. A high potassium meal will cause enhanced basolateral uptake via sodium-potassium pumps b. Most potassium reabsorption occurs at the distal tubules c. Aldosterone enhances potassium reabsorption at the proximal tubule d. Potassium is not filtered, so urinary excretion of potassium will only occur by stimulating potassium secretion e. Decreased extracellular potassium concentration increases aldosterone production and thereby reduces potassium secretionarrow_forward
- ADH governs thea. Na+ pump of the proximal convoluted tubules.b. water permeability of the loop of Henle.c. Na+ pump of the vasa recta.d. water permeability of the distal convoluted tubules and collecting ducts.e. Na+ reabsorption in the proximal convoluted tubule.arrow_forwardWhich of the following is a cause of metabolicacidosis?a. excessive HCl lossb. increased aldosteronec. diarrhead. prolonged use of diureticsarrow_forwarda patient with diabetes has been diagnosed with metabolic acidosis. identify the mechanisms by which the body will adapt, CHECK ALL THAT APPLY a. reabsorption of H ions from proximal convoluted tubule b. increased respiratory rate c. decreased filtration of HCO3 in glomerular capsule d. reabsorption of filtered HCO3 from the proximal convoluted tubule e. secretion of H ions by the intercalated cellsarrow_forward
- If antidiuretic hormone (ADH) concentration increases, a. urine volume increases. b. urine concentration decreases. c. urine volume decreases and urine concentration increases. d. urine volume increases and urine concentration decreases.arrow_forwardWhen a substance is reabsorbed in the kidney that substance is: A. Removed from the blood and put into the renal tubule B. Removed from the renal tubule and put into the blood C. Removed from the body via urine. D. Both B & Carrow_forwardSystemic blood pressure must stay above 60 so that the proper amount of filtration occurs.a. trueb. falsearrow_forward
- The concentration of water in the luminal fluid at the end of the proximal tubule is nearly always the same as: A. Plasma OB. Medullary interstitium C. Urinearrow_forwardFind which of the following statements about medulary collecting duct is TRUE A. Its permeability to water is controlled by aldosterone B. It is impermeable to ureaC. Its permeability to water is controlled by ADHD. It is incapable of secreting H+ against large concentration gradientarrow_forwardDrugs that target the ureter to help pass a kidney stone promote... a. vasodilation b. vasoconstrictionarrow_forward
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