BIOLOGY-TEXT
5th Edition
ISBN: 9781260169621
Author: BROOKER
Publisher: MCG
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Chapter 49, Problem 5TY
Summary Introduction
Introduction: Waste materials present in the body (as a result of
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Marine reptiles eliminate excess salt bya. transport across their gills.b. excretion through salt glands.c. reabsorption in the nephron tubules.d. excretion through the cloaca.
Excretory systems produce a final excreted product through
A.
vesicular packaging of nitrogenous wastes.
B.
proteolytic cleavage of amino acids.
C.
filtration of lymphatic fluids.
D.
de novo synthesis in the nephron of urea or uric acid.
E.
some combination of filtration, secretion and reabsorption.
The active transport of solutes into the lumen of an excretory organ iscalleda. filtration.b. reabsorption.c. secretion.d. excretion.
Chapter 49 Solutions
BIOLOGY-TEXT
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 structures is most effective for the excretion of excess water? A. The Malpighian tubules of an insect B. The rectal gland of a shark C. The flame cells of a flatworm D. The ionocytes of a crayfish E. All of the above are equally effective in the excretion of excess waterarrow_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_forwardDescribe how urine is formed and excreted in frogs. Include in the discussion the structures involved in the process.arrow_forward
- Function(s) of the excretory system include ... A. removal of wastes and harmful substances. B. maintenance of water balance. C. selective retention of some solutes. D. Both of answerc hoiuces A and B (but not C) correctly complete the sentence. E. All of the answer choices A and B and C correctly complete the sentence.arrow_forwardDescribe (and label on a diagram) the organs of the mammalian urinary system and give the functions of each.arrow_forwardWhich of these is not true of the position of the kidneys in the body? a. They are medial to the aorta. b. They are retroperitoneal. c. The right kidney is lower than the left. d. They are inferior to the liver and spleen. e. They lie partially within the rib cagearrow_forward
- Excretion of a hypertonic urine in humans is associated best witha. the glomerular capsule.b. the proximal convoluted tubule.c. the loop of the nephron.d. the collecting duct.e. Both c and d are correct.arrow_forwardWhich of these processes is responsible for kidney function?a. filtration c. reabsorption e. All of these are correct.b. secretion d. Both a and b are correct.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
- 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 Pelvisarrow_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_forwardPlease define/describe the following 3 renal functions in mammals: filtration, reabsorption and secretion. Describe at least one location in the nephron where each of these functions takes place. How does each of these functions contribute to homeostasis of the organism?arrow_forward
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