Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 48.2, Problem 2LO
Summary Introduction
To contrast: The benefits and costs of excreting ammonia, uric acid, or urea.
Introduction: The urinary system is also known as the renal system. It consists of kidneys, ureters, bladder, and urethra. The urinary system is important to eliminate nitrogenous waste such as ammonia, urea, and uric acid out of the body. It also regulates the blood volume, blood pressure, and maintenance of electrolytes.
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Chapter 48 Solutions
Biology (MindTap Course List)
Ch. 48.1 - Prob. 1LOCh. 48.1 - How does osmoregulation contribute to homeostasis?Ch. 48.1 - Prob. 2CCh. 48.2 - Prob. 2LOCh. 48.2 - Prob. 1CCh. 48.2 - What are the benefits of excreting nitrogenous...Ch. 48.3 - Prob. 3LOCh. 48.3 - Compare the structure and function of...Ch. 48.3 - Prob. 1CCh. 48.4 - Relate the function of the vertebrate kidney to...
Ch. 48.4 - Compare adaptations for osmoregulation in...Ch. 48.4 - What type of osmoregulatory challenge is faced by...Ch. 48.4 - Prob. 2CCh. 48.5 - Prob. 7LOCh. 48.5 - Describe (and label on a diagram) the structures...Ch. 48.5 - Prob. 9LOCh. 48.5 - Prob. 10LOCh. 48.5 - Prob. 1CCh. 48.5 - Prob. 2CCh. 48.5 - VISUALIZE Draw a diagram showing the sequence of...Ch. 48.5 - Prob. 4CCh. 48 - Prob. 1TYUCh. 48 - Prob. 2TYUCh. 48 - Test Your Understanding 3 To compensate for fluid...Ch. 48 - The afferent arteriole delivers blood to the (a)...Ch. 48 - Which of the following does not contribute to the...Ch. 48 - Prob. 6TYUCh. 48 - Which of the following does not contribute to the...Ch. 48 - Test Your Understanding 8 Which is not true of...Ch. 48 - Prob. 9TYUCh. 48 - Prob. 10TYUCh. 48 - Arrange the following structures into an accurate...Ch. 48 - Test Your Understanding 12 VISUALIZE Label the...Ch. 48 - Prob. 13TYUCh. 48 - Prob. 14TYUCh. 48 - EVOLUTION LINK The number of protonephridia in a...Ch. 48 - Test Your Understanding 16 EVOLUTION LINK The...Ch. 48 - Test Your Understanding 17 EVOLUTION LINK Although...Ch. 48 - SCIENCE, TECHNOLOGY, AND SOCIETY A person with...
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- Fatty tissue holds the kidneys in place. Extremely rapid weight loss may cause this tissue to shrink so that the kidneys slip from their normal position. On rare occasions, the slippage can put a kink in one or both ureters and block urine flow. Suggest what might then happen to the kidneys.arrow_forwardExplain how the kidneys help to maintain the balance of acids and bases in extracellular fluid.arrow_forwardWhich 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_forward
- Why is excretion important in order to achieve osmotic balance?arrow_forwardBriefly explain the role of kidneys in the following: 1) Excretion of Metabolic Waste Products, Foreign Chemicals, Drugs, and Hormone Metabolites. 2) Regulation of Water and Electrolyte Balance. 3) Regulation of 1,25-dihydroxyvitamin D3 Production.arrow_forwardState the implication of a high value of NPN in blood and urine. What does the amount of urea, ammonia, and creatinine in the urine tell us about renal function? Which food substances can lead to an increased value of NPN in the blood?arrow_forward
- In terms of renal excretion, explain and briefly summarize the regulatory role of: The sympathetic nervous system; •Angiotensin II;•Aldosterone;•ADH;•Atrial natriuretic peptide (ANP)arrow_forwardDiscuss the importance of the kidney filtering urea out of the blood.arrow_forwardA bird just flew overhead and bird droppings landed on your car. The droppings are a white paste. What are the primary components of this excrement? Compare/contrast excretion of ammonia, urea, and uric acid relative to source, energy needed to produce, and toxicity.arrow_forward
- Briefly explain three alterations in body function that occur with chronic renal failure. Why do so many renal diseases go undetected until significant damage has been caused to the kidneys?arrow_forwardSevere diarrhea is one of the most causes of death in young children. One of the principal effects of diarrhea is the excretion of large quantities of sodium bicarbonate. In which direction does the bicarbonate buffer system shift under this circumstance? What is the resulting condition called?arrow_forward1. a) Describe the renal regulation of potassium, where is K+, what is the hormone that is responsible for the secretion of K+, the name of the cells, and the location in the nephron where the fine-tuning of K+ occurs. b) Name the hormone and vitamin responsible for the renal handling of Ca++ and Phosphorusarrow_forward
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