KidneyQuiz11F

KidneyQuiz11F - Bio 6A/ Bruce Heyer NAME: Quiz:...

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Bio 6A/ Bruce Heyer NAME: page 1/5 Quiz: Osmoregulation & Kidney Function Use a Scantron. Mark all correct answers. Some questions may have more than one answer. You may use books or notes or discuss answers with your classmates. Please write “Kidney Quiz” in the area on the back of your Scantron along with your name and section number. If you don’t write this, your score might not be recorded. Note the questions start with #51, so record your answers on the back side of the Scantron. 51. What percentage of the total water budget for a kangaroo rat can be obtained from metabolic water? A. 100% B. 90% C. 10% D. 1.8% 52. What percentage of the total water budget for a human can be obtained from metabolic water? A. 100% B. 90% C. 10% D. 250% 53. Which of the following is true? A. Freshwater fish generally make urine that is hypoosmotic to their blood; marine fish usually make urine that is hyperosmotic to their blood. B. Freshwater fish generally make urine that is hyperosmotic to their blood; marine fish usually make urine that is hypoosmotic to their blood. 54. Insects conserve water by reabsorbing water from the rectum before waste materials are excreted. Which of the following help create the osmotic gradient necessary for this reabsorption? A. Active transport of ions from the hemolymph into the Malpighian tubules. B. Active transport of ions from the Malpighian tubules into the hemolymph. C. Active transport of ions from the hemolymph into the rectum. D. Active transport of ions from the rectum into the hemolymph. E. Precipitation of uric acid in the rectum. 55. The urine of earthworms is normally A. hypoosmotic to their cells. B. isoosmotic to their cells. C. hyperosmotic to their cells. 56. Which of these costs the most energy to produce? A. Ammonia. B. Urea. C. Uric acid. 57. Most marine bony fish are A. osmoregulators. B. osmoconformers. 58. Cartilaginous fish such as sharks normally live in an environment that is A. hypotonic to their cells. B. isotonic to their cells. C. hypertonic to their cells.
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Heyer 11/8/2011 Page 2 of 5 59. Which of the following taxa have metanephridia? A. Annelida
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KidneyQuiz11F - Bio 6A/ Bruce Heyer NAME: Quiz:...

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