ANAT.+PHYSIO.2-LAB.MAN. >CUSTOM<
20th Edition
ISBN: 9781264303090
Author: VanPutte
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Question
Chapter 26, Problem 20RAC
Summary Introduction
Introduction:
Aldosterone is a steroid hormone released by the adrenal gland. It acts as a prime regulator of the sodium chloride (salt) and water content of the body. The renin-angiotensin system stimulates its production in the adrenal cortex. The factors that stimulate its production are increased blood pressure, increased retention of sodium chloride.
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Increased aldosterone causesa. increased reabsorption of Na+.b. decreased blood volume.c. decreased reabsorption of Cl−.d. increased permeability of the distal convoluted tubule to water.e. increased volume of urine.
Both ADH and aldosterone act to a.increase urine volume. b.increase blood volume. c.increase total peripheral resistance. d.produce all of these effects.
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 26 Solutions
ANAT.+PHYSIO.2-LAB.MAN. >CUSTOM<
Ch. 26.1 - Name the organs that make up the urinary system.Ch. 26.1 - List the functions performed by the kidneys, and...Ch. 26.2 - Describe the location, Size, and shown of the...Ch. 26.2 - Describe the renal capsule and the structures that...Ch. 26.2 - List the structures found at the hilum and in the...Ch. 26.2 - What is the functional unit of the kidney? Name...Ch. 26.2 - Distinguish between cortical and juxtamedullary...Ch. 26.2 - List the components of a renal corpuscle.Ch. 26.2 - Describe the structure of the Bowman capsule, the...Ch. 26.2 - Describe the structure of the afferent and...
Ch. 26.2 - Describe the structure and location of the...Ch. 26.2 - Explain blood supply for the kidney.Ch. 26.3 - Name the three general processes involved in...Ch. 26.3 - Contrast the rates of renal blood flow, renal...Ch. 26.3 - Prob. 15AYPCh. 26.3 - What is filtration pressure? How does glomerular...Ch. 26.3 - How do systemic blood pressure and afferent...Ch. 26.3 - Describe autoregulation.Ch. 26.3 - Prob. 19AYPCh. 26.3 - What is the direction of movement of substances in...Ch. 26.3 - Describe what happens to most of the filtrate that...Ch. 26.3 - On what side of therenal tubule cell does active...Ch. 26.3 - Describe how symportworks in the renal tubule.Ch. 26.3 - Name the substances that are moved by active and...Ch. 26.3 - Prob. 25AYPCh. 26.3 - Where does tubular secretion take place? What is...Ch. 26.3 - What substances are secreted? List the mechanisms...Ch. 26.3 - List the major mechanisms that create and maintain...Ch. 26.3 - Describe the roles of the loop of Henle, the vasa...Ch. 26.3 - Describe how the filtrate volume and concentration...Ch. 26.4 - Prob. 31AYPCh. 26.4 - How is angiotensinII activated? What effects does...Ch. 26.4 - Where is aldosterone produced? What factors...Ch. 26.4 - What are the effects of aldosterone on Na+ and CI+...Ch. 26.4 - Where is ADH produced? What factors stimulate an...Ch. 26.4 - How does ADH affect urine volume and...Ch. 26.4 - Describe how the presence of ADH causes the...Ch. 26.4 - How does the absence of ADH cause the production...Ch. 26.4 - Where is atrial natriuretic hormone produced,and...Ch. 26.5 - What is plasma clearance, and how is it...Ch. 26.5 - Prob. 41AYPCh. 26.5 - Describe how PAH is used to determine renal plasma...Ch. 26.5 - Explain the significance of tubular load and...Ch. 26.6 - What are the functions of the ureters, urinary...Ch. 26.6 - Prob. 45AYPCh. 26.6 - Prob. 46AYPCh. 26.6 - Prob. 47AYPCh. 26.6 - Prob. 48AYPCh. 26.7 - Discuss the effect of aging on the kidneys. Why do...Ch. 26 - Prob. 1RACCh. 26 - Prob. 2RACCh. 26 - Prob. 3RACCh. 26 - Prob. 4RACCh. 26 - Prob. 5RACCh. 26 - Prob. 6RACCh. 26 - Prob. 7RACCh. 26 - Prob. 8RACCh. 26 - If the glomerular capillary pressure is 40 mm Hg,...Ch. 26 - Prob. 10RACCh. 26 - Prob. 11RACCh. 26 - Prob. 12RACCh. 26 - Prob. 13RACCh. 26 - Prob. 14RACCh. 26 - Prob. 15RACCh. 26 - Prob. 16RACCh. 26 - Prob. 17RACCh. 26 - Which of the following contributes to the...Ch. 26 - Prob. 19RACCh. 26 - Prob. 20RACCh. 26 - Prob. 21RACCh. 26 - Prob. 22RACCh. 26 - ADH governs the a. Na+ pump of proximal convoluted...Ch. 26 - Prob. 24RACCh. 26 - The amount of a substance that passes through the...Ch. 26 - Prob. 26RACCh. 26 - Prob. 1CTCh. 26 - Harry is doing yard work one hot summer day and...Ch. 26 - Prob. 3CTCh. 26 - Prob. 4CTCh. 26 - Design a kidney that can produce hypostatic urine,...Ch. 26 - If only a very small amount of urea, instead of...Ch. 26 - Prob. 7CTCh. 26 - Marvin was driving too fast on a remote mountain...Ch. 26 - Which of the following will help compensate for...Ch. 26 - Renin-secreting tumors are usually found in the...Ch. 26 - Prob. 11CT
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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 does not contribute to the high salt concentration in the interstitial fluid of the kidney medulla? (a) active transport of sodium from the upper part of the ascending limb (b) diffusion of salt from the ascending limb of the loop of Henle (c) reabsorption of salt from various regions of Bowmans capsule (d) counterflow of fluid through the two limbs of the loop of Henle (e) diffusion of urea out of the collecting ductarrow_forwardThe major action of ADH in the kidneys is to:a. increase water absorption by the proximal convoluted tubule.b. increase glomerular filtration rate.c. increase water reabsorption by the collecting duct.d. increase potassium’s excretion.arrow_forward
- Hypertension is likely to increase the secretion ofa. natriuretic peptide.b. antidiuretic hormone.c. bicarbonate ions.d. aldosterone.e. ammoniaarrow_forwardPhysiological influence of vasopressin is evidenced by:A. Increased water reabsorption in distal tubulesB. Increased diuresisC. Intensification of Na excretion D. Spasm of uterusE. Increased glucose reabsorptionarrow_forwardWhich of the following is a cause of metabolicacidosis?a. excessive HCl lossb. increased aldosteronec. diarrhead. prolonged use of diureticsarrow_forward
- increases water reabsorption withoutincreasing sodium reabsorption.a. Antidiuretic hormoneb. Aldosteronec. Natriuretic peptided. Parathyroid hormonee. Calcitoninarrow_forwardWhich of these conditions decreases extracellular fluid volume?a. constriction of afferent arteriolesb. increased ADH secretionc. decreased ANH secretiond. decreased aldosterone secretione. stimulation of sympathetic nerves to the kidneysarrow_forwardADH 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_forward
- A 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_forwardThe 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 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
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