Animal Physiology, Third Edition Hill • Wyse • Anderson Chapter 29: Kidneys and Excretion

1. Which of the following statements about the kidneys is false? a. They produce and eliminate aqueous solutions derived from the blood plasma. b. They include tubular structures that discharge product to the outside world. c. They produce and eliminate watery solutions derived from the extracellular fluid. d. They excrete solutes dissolved in water. e. They produce urine that contains high levels of creatinine, which is a direct product of lipid metabolism. Answer: e Textbook Reference: Introduction, p. 754 Bloom’s Category: 2. Understanding 2. Which of the following is found in urine? a. Sodium originated from plasma b. Sodium generated from extracellular fluid c. Urea generated from protein metabolism d. Phosphate generated from energy production e. All of the above Answer: e Textbook Reference: Introduction, p. 754 Bloom’s Category: 2. Understanding 3. Which of the following would not be found in urine produced by healthy kidneys? a. Sodium b. Potassium c. Proteins d. Phosphate e. Creatinine Answer: c Textbook Reference: Introduction, p. 754 Bloom’s Category: 2. Understanding 4. After the kidneys, the _______ is/are most important in filtration.