Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 44, Problem 7TYK
Summary Introduction
Introduction: The kidney is the major excretory organs present in most of the organisms. The nephron is the fundamental unit of the kidney. The nephron consists of the proximal convoluted tubule, distal convoluted tubule, a loop of Henle and the collecting duct. By the process of filtration, the nephron forms the concentrated urine that finally flows in the collecting duct of the nephron.
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Students have asked these similar questions
I. It is the microscopic structural and filtering unit of the kidney.
A. Renal Cortex
B. Loop of Henle
C. Nephrons
D. Renal Corpuscle
Ii. It refers to the process of elimination of metabolic waste products from an animal's body.
A. Filtration
B. Excretion
C. Osmoregulation
D. Reabsorption
Iii. It is also known as the papillary duct, which receives fluid from the nephrons.
A. Collecting Duct
B. Renal Pyramid
C. Distal Convoluted Tubule (DCT)
D. Proximal Convoluted Tubule (PCT)
Iv. The nephrons are located deep within which part of the kidney?
A. Ureter
B. Cortex of the Kidney
C. Adrenal Gland
D. Renal Pelvis
In reptiles, distal collecting tubules merge to form collecting ducts, which ultimately form the ____.
a. ureter
b. urodeum
c. cloaca
d. renal vein
Correctly trace the movement of urine from the kidneys out of the body.
a. Urethra – kidney – ureter – bladder
b. Kidney – ureter – bladder – urethra
c. Testis – vas deferens – epididymis - ureter
d. Testis – epididymis – vas deferens – urethra
Chapter 44 Solutions
Study Guide for Campbell Biology
Ch. 44 - Indicate whether the following animals are...Ch. 44 - Prob. 2IQCh. 44 - Which of the three excretory processes is least...Ch. 44 - a. What substances are removed from the blood...Ch. 44 - In the following diagram of a nephron and...Ch. 44 - a. What type of nephron enables the production of...Ch. 44 - Prob. 7IQCh. 44 - Provide the following information concerning the...Ch. 44 - Prob. 2SYKCh. 44 - Prob. 1TYK
Ch. 44 - Transport epithelia are responsible for a. pumping...Ch. 44 - Prob. 3TYKCh. 44 - Prob. 4TYKCh. 44 - Prob. 5TYKCh. 44 - Prob. 6TYKCh. 44 - Prob. 7TYKCh. 44 - Prob. 8TYKCh. 44 - Prob. 9TYKCh. 44 - The process of secretion in the formation of urine...Ch. 44 - Prob. 11TYKCh. 44 - Prob. 12TYKCh. 44 - Prob. 13TYKCh. 44 - Prob. 14TYKCh. 44 - Prob. 15TYKCh. 44 - Prob. 16TYKCh. 44 - Prob. 17TYKCh. 44 - Prob. 18TYK
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- What is NOT a true statement about the cortical nephrons? a. Cortical nephrons have a short nephron loop (loop of Henle). b. Cortical nephrons are the most numerous type of nephron in the kidneys. c. Cortical nephrons are wrapped by the vasa recta. d. The renal corpuscle of a cortical nephron sits in the renal cortex.arrow_forwardAll of the following statements about Juxtamedullary nephrons are correct EXCEPT their glomeruli lie in the renal medulla. a. b. are important in the ability of the kidneys to concentrate urine. C. Their loops of Henle dip deep into the medulla. d. they are not the predominant type of nephron found in human kidneys. Vasa recta.surround the tubule of the nephron. e.arrow_forwardWhich of the following is/are true concerning kidney structure? a. The 'hilum' is the concave part of the kidney through which everything entering or leaving the kidney goes b. The kidney is surrounded by a thin connective tissue capsule c. Urine collects in the renal sinus d. The renal medulla contains the renal corpuscles e. Each kidney contains about a million nephronsarrow_forward
- 3. Name the two types of nephrons found in a human kidney and you see on the kidney plaque. Describe their role in water regulation. a. b. 4. Name the two sets of capillaries that are part of the portal system found in the kidneys? What is their specific role in urine formation? a. b. B. Histology of the urinary system 1. Label the components of a nephron that you can see in the kidney: renal corpuscle, tubule, capsular space, glomerulus, parictal wall of glomerular capsule 100X 400X 2. For each of the following parts of the nephrons list the specific step of the urine formation that takes place at the site. Part of the nephron Glomerular capsule Step of urine formation Proximal convoluted tubule Loop of Henle Distal convoluted tubule Collecting duct 126arrow_forwardwhich of the following correctly shows the order in which the filtrate moves through the structures of the nephron? a. proximal tubule - distal tubule - collecting duct - loop of Henle b. collecting duct - loop of Henle - proximal tubule - distal tubule c. distal tubule - loop of Henle - proximal tubule - collecting duct d. proximal tubule - loop of Henle - distal tubule - collecting ductarrow_forwardThe macula densa is/are: a. present in the renal medulla. b. dense tissue present in the outer layer of the kidney. c. cells present in the DCT and collecting tubules. d. present in blood capillaries.arrow_forward
- Which of following is not a function of kidneys? a. Maintain volume, pH and composition of body luids b. Remove excess toxic chemicals c. Remove metabolic wastes d. Synthesis of angiotensinogenarrow_forwardYou are studying renal function in different species of mammals that are found in very different environments. You look at species from a desert environment and compare them with ones from a tropical environment. The desert species would be expected to havea. shorter loops of Henle than the tropical species.b. longer loops of Henle than the tropical species.c. shorter proximal convoluted tubules than the tropical species.d. longer distal convoluted tubules than the tropical species.arrow_forwardWhich of the following statements about the kidney is false? a. The renal pelvis drains into the ureter. b. The renal pyramids are in the medulla. c. The cortex covers the capsule. d. Nephrons are in the renal cortex.arrow_forward
- Which of the following rows correctly identifies the function of a region of the nephron? Nephron region and function Row Region of a nephron Function A. collecting duct secretion glomerulus filtration descending loop of Henle secretion ascending loop of Henle filtration Rowman's capsules? B. C. D. Select one: O a. A cb. B O c. C O d. Darrow_forwardA viral infection that specifically interferes with the reabsorption of ions from the glomerular filtrate would attack cells located in thea. Bowman’s capsule.b. glomerulus.c. renal tubules.d. collecting duct.arrow_forwardGlomerular Filtration Rate (GFR) can be regulated by individual nephrons..which of the following represent the structures that play a role in this "Tubulo-Glomerular Feedback" mechanism? 45. ies, that A. The Corpus-Callosum and the Macula Densa. B. The Juxta-Glomerular Apparatus C. The Supra-Bowmanic Recipricator D. The Osmotic Filament Feedback Modulearrow_forward
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