Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 49, Problem 8TY
Summary Introduction
Introduction: To maintain the homeostasis and osmoregulatory balance, excretion and reabsorption of certain ions occur in the collecting duct and distal tubule. The reabsorption process is mediated by two hormones: ADH and aldosterone.
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Indicate the hormone that is NOT regulating urine production.
A. Aldosterone
B. Erythropoietin
C. Antidiuretic hormone
D. Atrial natriuretic peptide
Name the most abundant anions in the extracellular fluid (ECF).
А. НРО
В. C
C. Mg*
D. K
Which of the following is NOT a function of the kidneys?
a. Regulation of plasma (NA+)
b. Secretion of a hormone that affects hematocrit
c. Gluconeogenesis
d. Secretion of a hormone that acts to decrease mean arterial pressure
e. Metabolism of Vitamin D
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
Chapter 49 Solutions
Biology
Ch. 49.1 - Prob. 1CCCh. 49.2 - Core Skill: Connections In what other organ is a...Ch. 49.2 - Prob. 2CSCh. 49.2 - Prob. 3CSCh. 49.3 - Prob. 1CSCh. 49 - Prob. 1TYCh. 49 - Prob. 2TYCh. 49 - Prob. 3TYCh. 49 - Prob. 4TYCh. 49 - Prob. 5TY
Ch. 49 - Prob. 6TYCh. 49 - Prob. 7TYCh. 49 - Prob. 8TYCh. 49 - Prob. 9TYCh. 49 - Prob. 10TYCh. 49 - Define nitrogenous waste, and list the main types...Ch. 49 - List and describe the three processes involved in...Ch. 49 - Prob. 3CQCh. 49 - Prob. 1COQCh. 49 - Briefly discuss the parts and functions of the...
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- Which of the following does not contribute to the process of filtration? (a) active transport by epithelial cells lining renal tubules (b) large surface area for filtration (c) low permeability of glomerular capillaries (d) high hydrostatic blood pressure in glomerular capillaries (e) podocytesarrow_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_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
- 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. vasodilationarrow_forwardA patient has an ADH-secreting pulmonary carcinoma (syndrome of inappropriate ADH secretion). As a result of unregulated ADH secretion, you would expect to find: a. retention of water resulting in volume expansion b. low urinary osmolality c. increased renal sodium reabsorption d. high serum sodium concentration e. b and c A 25-year old woman develops a nonfunctional hypothalamic tumor that results in a complete inability to produce oxytocin. The most likely pathological response to this deficiency is: a. inability to ovulate b. amenorrhea c. hypertension d. inability to lactate normally e. inability to deliver a child vaginallyarrow_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
- 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 abovearrow_forwardWhich 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_forwardWhich of the following is true about the filtrate as it travels through the tubule? A. as the permeability to water of the collecting duct increases, the osmolarity of the filtrate increases B. it decreases in osmolarity as it travels through the proximal tubule C. the increasing concentration of the medullary interstitium results in more water being reabsorbed in the ascending limb D. the volume of the filtrate decreases the most in the distal convoluted tubule and collecting ductarrow_forward
- 26) Factors that INCREASE the secretion of ADH include __________. a. increased concentration of sodium ions in the ECF b. water deprivation c. increased osmolarity of the ECF d. decreased renal blood flow e. all of the abovearrow_forwardWhich of these results in an increased blood Na+ concentration?a. decrease in ADH secretion c. increase in ANHb. decrease in aldosterone secretion d. decrease in renin secretionarrow_forwardexplain the meaning and physiology of sodium potassium pump at Renin angiotensin aldosterone system 1. Sodium Potassium Pump 2. RAAS 3. 3. Regulation Of Body Fluid a. A. Kidney b. Endocrine c. 3.Atrial Natriuretic Peptide (ANP) d. GI regulation e. Heart Blood Vessel f. Lungs 4. Anti diuretic Hormone disorder a. SIADH b. Diabetes Insipidusarrow_forward
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