21 MC Questions with Answer Key - Animal Feeding and Nutrition | ANS 313, Exams of Animal Biology

Download 21 MC Questions with Answer Key - Animal Feeding and Nutrition | ANS 313 and more Exams Animal Biology in PDF only on Docsity! 2013. Exam 5a. In-class portion for Minerals and Vitamins. 2 points/question. No notes, no talking, no texting, no calculators. 20 minutes max. Complete a scantron. Multiple choice. Choose one best answer per question. 1. What are likely reasons for poor mineralization of bone? a. acute Ca deficiency b. longterm K deficiency c. longterm low vitamin D and lack of sun d. all of these 2. Growing cattle are fed a diet of corn silage, corn grain, and soybean meal. What mineral supplement will certainly be needed? a. Magnesium Cloride b. Calcium sulfate c. Calcium carbonate d. Iron oxide e. all of these 3. You are the veterinarian/ consultant for a dairy farm. The farm has a major problem with mastitis, an infection/inflammation of the mammary gland. Addition of what nutrient will likely help to reduce the incidence of mastitis? a. phosphorus. b. folic acid c. riboflavin d. vitamin D e. none of these 4. Which nutrients should be supplemented to all types of animals in Michigan because the base diet will likely be deficient. a. copper and menadione b. iron and cobalt c. selenium and sodium d. retinol and iodine 5. Baby pig anemia is a classic deficiency sign of this nutrient. a. manganese b. citric acid c. iodine d. copper e. none of these 6. Why might organic selenium, compared to inorganic selenium, be beneficial in animal nutrition? a. it is usually cheaper b. a greater percentage is absorbed c. the FDA only regulates inorganic Se d. all of these 7. Warfarin was once a common ingredient in rat poisons. What vitamin does it inhibit? a. vitamin A b. vitamin K c. thiamin d. plasminogen e. none of these 8. This fat-soluble anti-oxidant is especially important if you eat lots of food fried in vegetable oil. a. selenium b. vitamin A c. vitamin B2 d. vitamin C e. vitamin E 9. A defiency of Na or K is most likely to occur in an animal during: a. heat stress b. diarrhea c. strenuous exercise d. all of these e. none of these 10. Sometimes ruminant diets include gypsum as a mineral supplement because it is a great source of this nutrient: a. sulfur b. potassium c. calcium d. phosphorus e. all of these 11. Most animals should be supplemented with this regardless of their diet or location. a. Cu b. S c. Fe d. I e. K 12. This negatively-charged electrolyte helps maintain cell osmolarity and is found in high concentrations outside cells. a. sodium b. iodine c. phosphorus d. chloride e. copper 13. To reduce the risk of dehydration when young milk-fed animals develop scours (diarrhea), they should be supplemented with: a. deccox b. citrates c. epsom salts d. electrolytes e. none of these will help 14. Copper toxicity frequently occurs and is a major concern in: a. lactating sows b.working horses c. growing cattle d. older dogs e. none of these 15. The daily requirement for vitamin D in humans is currently set at 400 IU/day to prevent which of the following problems: a. breast cancer b. osteomalacia c. clinical hypocalcemia d. cancer e. muscular dystrophy 16. You are the veterinarian/ consultant for a small swine farm. The growing pigs are in pen with a concrete floor and fed a homemade diet of corn, soy, bran, and oil. They have serious skin problems and are not growing well. What is the likely problem? a. high vitamin A b. low boron c. high folic acid d. low zinc e. none of these is likely the problem 17. Transgenic pigs that produce the enzyme phytase in their saliva are less likley to need this supplement than nontransgenic pigs. a. iron oxide b. potassium chloride c. phytate d. dical e. none of these 18. A supplement contains 5% Fe. How many ppm is this? a. 0.5 b. 5 c. 50 d. 500 e. none of these 19. The first water soluble vitamin to be discovered, a deficiency occurred when chickens and humans ate white rice instead of brown rice. a. ascorbic acid b. tocopherol c. niacin d. thiamin e. pantothenic acid 20. This water-soluble vitamin is needed by humans to prevent mouth sores, but most animals can make their own. a. ascorbic acid b. citric acid c. menadione d. thiamin e. pantothenic acid 21. BONUS Question. Name and PID must be correct on scantron to be eligible for this. Name the hormonal form of vitamin D that stimulates active absorption of calcium from the intestines. a. calcitriol b. ergocalciferol c. 25-hydroxy vitamin D d. pantothenate