BIOLOGY CONNECT ACCESS CARD
12th Edition
ISBN: 9781264037452
Author: Raven
Publisher: MCG
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Textbook Question
Chapter 49, 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 49 Solutions
BIOLOGY CONNECT ACCESS CARD
Ch. 49.1 - Prob. 1LOCh. 49.1 - Prob. 2LOCh. 49.2 - Identify the relative toxicity and solubility of...Ch. 49.3 - Prob. 1LOCh. 49.3 - Define reabsorption and secretion.Ch. 49.4 - Prob. 1LOCh. 49.4 - Explain the role of the loop of Henle in the...Ch. 49.5 - Prob. 1LOCh. 49.5 - Prob. 2LOCh. 49.5 - Prob. 3LO
Ch. 49.6 - Prob. 1LOCh. 49.6 - Prob. 2LOCh. 49 - Prob. 1DACh. 49 - Which of the following is NOT an ion...Ch. 49 - Prob. 2UCh. 49 - A sharks blood is isotonic to the surrounding...Ch. 49 - An important function of the excretory system is...Ch. 49 - Which of the following is a function of the...Ch. 49 - Humans excrete their excess nitrogenous wastes as...Ch. 49 - An osmoregulator would maintain its internal...Ch. 49 - Prob. 1ACh. 49 - A viral infection that specifically interferes...Ch. 49 - Diuretics are drugs that can be used to treat high...Ch. 49 - Caffeine inhibits the secretion of ADH. Prior to...Ch. 49 - You and your study partner want to draw the...Ch. 49 - You are studying renal function in different...Ch. 49 - Prob. 1SCh. 49 - Johns doctor is concerned that Johns kidneys may...
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- Which of the following is TRUE about glucose reabsorption in the kidney? a.If an individual does not have diabetes mellitus, 100% of filtered glucose is reabsorbed at the proximal convoluted tubule. b.If an individual has diabetes mellitus, filtered glucose will be present in all the renal tubule. c.Glucose reabsorption along the proximal convoluted tubule uses the sodium glucose secondary active transporter and it is independent of insulin. d.All of the above e.None of the above asaparrow_forwardFor 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_forwardWhich of the following is a cause of metabolicacidosis?a. excessive HCl lossb. increased aldosteronec. diarrhead. prolonged use of diureticsarrow_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 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_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_forward
- a 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_forwardIf 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_forward
- Which 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_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_forwardThe 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_forward
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