2007_Exam_6_with_key

2007_Exam_6_with_key - ANS 313 Exam 6. Name: _ Lab group...

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ANS 313 Exam 6. Name: _______________________________ Lab group code: ______ Write neatly and spell correctly. 100 points. 2 pts per question. Complete scantron sheet for questions 1-35. Be sure to sign your name and lab code on the last page and turn in together. . 1. T F Exercise usually decreases daily feed intake in horses because they are simply too tired to eat. 2. T F Contrary to popular myth, meat from cattle given anabolic steroids has no steroid residues. 3. T F In general, animals that are stressed (from mud, crowding, or spooking) will eat more because eating distracts them from the stressor. 4. T F Before a new poultry drug is allowed on the market in the U.S., the FDA must be convinced that it will be safe for the animals and will improve profits for the farmer. 5. T F Feeding bovine somatotropin to dairy cows increases milk production about 10-15% because it stimulates somatostatin, which in turn stimulates feed intake and milk synthesis. 6. T F A possible explanation for the increased food intake of a bear during the fall is that changes in photoperiod or environmental temperature trigger a change in its metabolic set point. Multiple choice. Choose one best answer per question. 7.__ Which is NOT true regarding leptin: a. Leptin is a protein hormone. b. Low leptin concentrations decrease food intake. c. Leptin acts as the body’s “fuel gauge.” d. Leptin is produced by adipose tissue. e. None of these are not true (all of these are true and thus are not correct answers to the question). 8.__ High rumen or blood propionate concentrations cause a cow to: a. start eating b. quit eating c. sleep d. moo e. none of these 9.__ Which one of the following components of blood decreases meal size in a pig? a. albumin b. glucagon c. somatotropin d. cholecystokinin e. none of these 10.__ This body part is the major determinant of how much a cat will eat. a. liver b. stomach c. brain d. eye e. paws including claws 11.__ Compared to birds fed the rapid gain diets (higher in protein, starch, and fat), the birds fed the lean diets (higher in fiber, lower energy) likely had: a. an increased body fat set point. b elevated insulin concentrations in blood. c. lower leptin concentrations in blood. d. none of these 12.__ This compound is fed to pigs for its antimicrobial activities but it is not considered an “antibiotic.” a. bromocryptine b. copper sulfate c. magnesium oxide d. dextromorphan 13.__ If you force fed a duck grain so it eats more than it wants to eat, much of the extra glucose will be partitioned to: a. fat accretion in the liver and adipose tissue b. muscle to support fidgeting motion c. brain to enhance mental resistance d. thyroid hormone production to increase metabolic rate 14.__ Why is bentonite sometimes added to feeds? a. binds pellets together
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2007_Exam_6_with_key - ANS 313 Exam 6. Name: _ Lab group...

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