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Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question. |
| | 1. | Pigmentation is important in placing a class of egg-type hens. Although the rate of re-pigmentation during a period of non-lay is influenced by various factors, the rate of pigment return is nearly how many times as fast as the rate of fading? | a. | Same rate | c. | 3 times as fast | | b. | 2 times as fast | d. | 1.75 to 2.25 times slower | | | | | | |
| | 2. | The integumentary system would include: | a. | the mouth, crop, and other organs of the digestive tract | | b. | skin and feathers | | c. | the combined components of the muscle and skeletal systems giving form to the animal | | d. | nonfunctional organs of the bird such as the beard, spur, and 5th toe in certain breeds | | | | |
| | 3. | Pectoral muscles account for approximately 1% of a human’s body weight. In the bird, they account for approximately __% of the bird’s total weight. | a. | 5-10 | b. | 10-15 | c. | 15-20 | d. | 20-25 | | | | | | | | | | |
| | 4. | The tertiary bronchi: | a. | radiate toward the surface of the lung where they end blindly | | b. | pass through the whole length of each lung and communicate with the air sacs | | c. | branch into the primary bronchi | | d. | branch into the trachea | | | | |
| | 5. | In relation to position along the alimentary canal, what segment is nearest the mouth? | a. | Pancreas | c. | Ingulvies | | b. | Ileum | d. | Muscular Stomach | | | | | | |
| | 6. | The gall bladder functions to: | a. | produce bile | c. | store and produce bile | | b. | store bile | d. | provide green pigment for black birds | | | | | | |
| | 7. | Which of the following hormones is believed to stimulate oviposition (egg laying)? | a. | FSH | b. | LH | c. | Prolactin | d. | Oxytocin | | | | | | | | | | |
| | 8. | What is the color of healthy chicken kidneys? | a. | Dark red | c. | Bay | | b. | Yellow from urine | d. | White from uric acid | | | | | | |
| | 9. | Nutritional related rickets could be attributed to which of the following management practices: | a. | Confined birds not receiving adequate dietary vitamin D | | b. | Inadequate available phosphorus in diets | | c. | Inadequate dietary calcium levels or limited access to free choice calcium sources | | d. | All of these are correct | | | | |
| | 10. | In most mature female chickens, the following is true: | a. | The left ovary and the left oviduct have developed | | b. | The left ovary and the right oviduct have developed | | c. | The right ovary and the left oviduct have developed | | d. | The right ovary and the right oviduct have developed | | | | |
| | 11. | Which of the following diseases of poultry is classified as having the egg as a major source of transmission: | a. | Newcastle | c. | Marek’s | | b. | Infectious Coryza | d. | Infectious Synovitis | | | | | | |
| | 12. | Which of the following is a gas heavier than air that can develop in manure pits during pump out or agitation and may remain in the pit in concentrations which can kill humans: | a. | Hydrogen Sulfide | c. | Hydrogen Cyanide | | b. | Hydrogen Dioxide | d. | Selenium Cyanide | | | | | | |
| | 13. | Biogas may b produced from manure in ______ conditions and has an energy value of _____ BTU per cubic foot compared to methane, which has 1000 BTU per cubic foot. | a. | aerobic; 1600 | b. | anaerobic; 600 | c. | anaerobic; 1600 | d. | aerobic; 600 | | | | | | | | | | |
| | 14. | Reasonable expectations for the operation of a properly functioning chicken mortality composter would be for the temperature of the composting material to rise to ____ degrees F and for the entire process to take almost ___ days for the production of the finish product. | a. | 125- 135; 30 | b. | 145- 165; 60 | c. | 125- 135; 60 | d. | 125- 145; 90 | | | | | | | | | | |
| | 15. | What component of an air mixture often contains most of the total heat energy of the mixture? | a. | water vapor | b. | nitrogen | c. | carbon dioxide | d. | oxygen | | | | | | | | | | |
| | 16. | What controls air velocity of a properly designed ventilation system utilizing jet flow? | a. | fan speed | | b. | inlet area for given amount of air flow | | c. | inlet slot type | | d. | laminar flow across the inlet deflector if outlet shutters do not restrict the exit flow | | | | |
| | 17. | Which of the following is thought to be more important when considering the comfort (health) of confined birds during hot weather: | a. | humidity. | | b. | temperature of house air, walls, and ceiling. | | c. | relative humidity. | | d. | velocity of air at bird level. | | | | |
| | 18. | What season and why is that season considered most difficult for the functioning of automatic ventilation controls? | a. | Summer; because of switching demands for high current flow to the large fans. | | b. | Summer; because summer ventilation needs go to infinity, whereas winter ventilation needs bottom outlet at the bird’s level to supply respiratory oxygen levels. | | c. | Winter; because of icing on the exhaust shutters causing malfunction | | d. | Winter; because controls become critical due to the frequent and wide variations in outdoor conditions. | | | | |
| | 19. | A “fully cooked” patty, tender, or nugget has been cooked to a minimum internal meat temperature of ___ degrees Fahrenheit, as required for “fully cooked” labeling by the USDA. | a. | 100 | b. | 120 | c. | 140 | d. | 160 | | | | | | | | | | |
| | 20. | In a poultry building utilizing cooling pads to cool the house in intensely hot weather, the best air flow through the house would be: | a. | jet flow with turbulence | c. | laminar flow with turbulence | | b. | laminar flow with limited turbulence | d. | jet flow with limited turbulence | | | | | | |
| | 21. | What is “Agribusiness”? | a. | A functionally defined term related to the supplying of producers with services and materials necessary for production, including marketing and processing. | | b. | Farming and farm production. | | c. | The more advanced and sophisticated aspects of agricultural production requiring advanced technical training and financing. | | d. | Complete or go broke. | | | | |
| | 22. | What group probably receives the most scientifically balanced diet throughout their lives? | a. | Commercial layers, turkeys, and broilers. | | b. | Humans. | | c. | Companion animals (dogs and cats). | | d. | Beef cattle. | | | | |
| | 23. | In a lagoon waste handling system, approximately ___% of the phosphorus settles to the bottom of the lagoon. |
| | 24. | The person identified as the resident USDA grader in a large poultry processing plant will/may: | a. | individually grade each carcass or part. | | b. | authorize plant employees to assist in the grading process. | | c. | authorize plant employees to assist in the grading process, yet perform final checkgrading and certification thought sampling. | | d. | be a direct employee of the plant and hold management positions within the operation. | | | | |
| | 25. | Where on the chicken might you find the covert feathers? | a. | neck and fluff | c. | neck and breast | | b. | tail and neck | d. | tail and wings | | | | | | |
| | 26. | A light laying hen is estimated to consume 77 pounds of feed per year (at 11 to 13% moisture) and produce an average of 15.4 pounds of manure on a dry weight basis. Fresh manure is 75-80% moisture. What is the dry matter percentage of this fresh manure if dry matter percentage equals 100 minus moisture percentage? | a. | 0.20 to 0.25% | b. | 20 to 25% | c. | 75 to 80% | d. | 0.75 to 0.80% | | | | | | | | | | |
| | 27. | A light laying hen is estimated to consume 77 pounds of feed per year (at 11% to 13% moisture) and produce an average of 15.4 pounds of manure on a dry weight basis. Fresh manure is 75-80% moisture. From this estimate, approximately how many grams of feed will a light laying hen eat per day if one pound of equivalent to 453.59 grams? | a. | 35,000 grams | b. | 0.17 grams | c. | 0.0005 gram | d. | 96 grams | | | | | | | | | | |
| | 28. | A light laying hen is estimated to consume 77 pounds of feed per year (at 11 to 13% moisture) and produce an average of 15.4 pounds of manure on a dry weight basis. Fresh manure is 75-80% moisture. From this estimate and assuming the feed to be 12% moisture and the manure to be 87% moisture, how many pounds of “wet” manure would be produced (fresh basis without drying) for each pound of feed consumed? | a. | 1.75 pounds of wet manure produced per pound of feed consumed. | | b. | 592 pounds of wet manure produced per pound of feed consumed. | | c. | 7.69 pounds of wet manure produced per pound of feed consumed. | | d. | 1.54 pounds of wet manure produced per pound of feed consumed. | | | | |
| | 29. | A light laying hen is estimated to consume 77 pounds of feed per year (at 11 to 13% moisture) and produce an average of 15.4 pounds of manure on a dry weight basis. Fresh manure is 75-80% moisture. On a dry-weight basis, how many pounds of feed does this hen consume in a year? | a. | 87 to 89 pounds | c. | 35,000 pounds | | b. | 67 to 68.5 pounds | d. | 77 pounds | | | | | | |
| | 30. | A light laying hen is estimated to consume 77 pounds of feed per year (at 11 to 13% moisture) and produce an average of 15.4 pounds of manure on a dry weight basis. Fresh manure is 75-80% moisture. From this estimate, how many pounds of feed per year and pounds of manure on a dry-weight basis per year (365-days) will a flock of 100,000 light layers consume and produce? | a. | 7.7 million pounds of feed (at 11 to 13% moisture) and 1.54 million pounds of manure dry-weight basis. | | b. | 7.7 million pounds feed dry-weight basis and 1.54 million pounds manure dry-weight basis. | | c. | 7.7 million pounds manure dry-weight basis and 1.54 millions pounds feed dry-weight basis. | | d. | 3.08 million pounds of feed and 1.54 million pounds manure dry-weight basis. | | | | |