Exam 1 - General Biology 101 Fall 2008 Exam I - Dr....

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PRINT your name __________________________________________ Fall 2008 Exam I -- Dr. Morrison Discussion leader ___________________________________________ Version B Discussion section number _____ Disc Day and Time ______________ There are 50 questions worth 2 points each. Use a #2 pencil to put all your answers on the scantron sheet. 1. In which part of your body do the cells produce ammonia as a bi-product of protein metabolism? A. Small intestine C. Brain B. Kidney D. All of these. 2. Which organ converts ammonia to urea? A. bladder C. liver B. kidney. D. Malpighian tubules 3. Which of the following is the nitrogenous waste that requires the least amount of water to excrete? A. feces C. urea B. uric acid. D. ammonia. 4. After being lost in the desert for over 3 days with no water, should you start drinking your own urine? A. No, because urine is poisonous. B. Yes, because even highly concentrated (dark yellow) urine contains some water. C. No. All the water in the urine you swallowed will be needed to excrete the urea you swallowed. D. Yes, if you haven’t eaten a lot of salty food. 5. In which part of the nephron does the filtrate contain the most water? A. Bowman’s capsule. B. Collecting duct. C. Distal convoluted tubule. D. Loop of Henle. 6. To recover water from the filtrate, the kidney nephron uses energy (ATP) to power A. water pumps in the convoluted tubules . B. Na+ pumps in the ascending loop. C. Cl - pumps in the descending loop. D. urine pumps in the bladder. 7. Which one statement is true about antidiuretic hormone (ADH)? A. ADH is produced by the amnion. B. ADH production is increased by alcohol. C. ADH increases urine volume. D. ADH increases the collecting duct’s permeability to water. 8. Normal IV fluid is most similar to A. digestive juices. C. interstitial fluid. B. whole blood. D. sea water. 9. The gizzard of a bird is most similar in function to A. The teeth of a pig. B. The digestive cells of a hydra. C. The crop of a cockroach. D. The spiral valve of a shark. 10. Which of the following is the least important source of digestive enzymes in humans? A. pancreas B. stomach C. liver D. small intestine 11. Which one is a disorder of the colon? A. jaundice B. cirrhosus C. hepatitis D. diarrhea 12. What do the digestive and respiratory systems of humans have in common? They both … A. have a huge internal surface area. B.
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This note was uploaded on 02/23/2011 for the course BIOLOGY 101 taught by Professor Martin during the Fall '08 term at Rutgers.

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Exam 1 - General Biology 101 Fall 2008 Exam I - Dr....

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