SEELEY'S ANATOMY+PHYSIOLOGY
12th Edition
ISBN: 9781260172195
Author: VanPutte
Publisher: RENT MCG
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Chapter 26, Problem 21RAC
Summary Introduction
Introduction:
A nephron is the functional unit of the kidney. It is a tube-like structure with enlarged terminal ends. The wall of the nephron is made of a single layer of cube-like cells, called cuboidal epithelial cells. Their ultrastructure changes depending on the function of the segment they are in. It plays a pivotal role in several homeostatic processes including the reabsorption of sodium chloride and potassium secretion. it also helps in maintaining the blood pressure.
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Chapter 26 Solutions
SEELEY'S ANATOMY+PHYSIOLOGY
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_forwardBlood pressure forces water and small solutes out of blood and into nephrons during ________. a. glomerular filtration c. tubular secretion b. tubular reabsorption d. both a and carrow_forwardThe afferent arteriole delivers blood to the (a) renal artery (b) efferent arteriole (c) renal vein (d) capillaries of the glomerulus (e) peritubular capillariesarrow_forward
- Which 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_forwardWhich 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 Darrow_forwardWhich of these mechanisms is the most important for regulatingblood osmolality?a. ADH c. ANHb. renin-angiotensin-aldosterone d. PTHarrow_forward
- 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. Karrow_forwardGlomerular filtration can be increased by which of the following? A. Increasing blood flow via afferent arteriole B. Decreasing blood flow via afferent arteriole C. Decreasing arterial blood pressure D. Increasing blood flow via efferent arteriole The answer is (A) Increasing blood flow via afferent arteriole. Please explain why it is not the other options (B,C,D)arrow_forwardRenin secreted by the juxtaglomerular cells in the afferent arteriole will lead to: A. Decreased plasma volume B. Decreased total body water C. Decreased water intake D. Decreased urine volume E. Decreased cardiac outputarrow_forward
- If blood pressure in the glomerulus increases, then a. net filtration pressure decreases. b. the percentage of substances reabsorbed increases. c. urine production increases. d. renin is released.arrow_forwardReabsorption is the movement of fluid and solutes from thea. filtrate into the glomerular capillaries.b. tubular fluid into the capsular space.c. tubular fluid into the peritubular capillaries.d. blood vessels into the collecting ducts.arrow_forwardSubstances moving from the blood in the capillaries through tubule cells into the filtrate is called a. Tubular reabsorption b. Tubular secretion c. Tubular filtration d. Fenestrationarrow_forward
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