exam 5 practice exam

Question 1

Grinding is one of the most important operations in the feed mill. Grinding is done to

Answer 1

maintain the desired physical characteristics of feed

improve the efficiency of pelleting

achieve proper/uniform size

Question 2

in the roller mill operation, the grind size is determined by

Answer 2

number of roll pairs
roll gap
roll speed
corrugations
corrugation number

Question 3

receiving center equipment includes

Answer 3

scales
unloading mechanism
receiving hopper/conveyors
cleaning/screening devices
elevator legs

Question 4

causes of weighing variations include

Answer 4

hand-weighing
dose errors
discrepancies between call size and scale resolution

Question 5

mixer uniformity that is classified as good

Answer 5

10-15

Question 6

compared to roller technology, hammer mill technology is suitable to handle

Answer 6

friable material
high fiber material
moisture

Question 7

any worker that is in the ingredients receiving center needs to know about

Answer 7

unprocessed grains
processes bulk ingredients
soft feed ingredients
heavy feed ingredients
liquids
micro-ingredients

Question 8

Major processes of feed manufacturing include

Answer 8

receive ingredients
grinding
batching/mix
conditioning/pelleting

Question 9

There are various methods that can be lawfully used to reduce the aflatoxin level of a feed material except

Answer 9

blending

Question 10

factors that contribute to aflatoxin

Answer 10

water stress
insect damage
soil fertility
grain humidity
late planting
plant variety/density

Question 11

mycotoxins are _______________________ of fungus

Answer 11

secondary metabolites

Question 12

rhodopsin is associated with what vitamin

Answer 12

vitamin A

Question 13

deficiency of this vitamin causes crazy chick disease

Answer 13

vitamin E

Question 14

This vitamin is important because of its involvement with protein metabolism

Answer 14

pyridoxine

Question 15

this deficiency results in megaloblastic anemia in pregnant women whose diets consisted of white rice and bread

Answer 15

folic acid

Question 16

deficiency of this vitamin results in convulsions and seizures

Answer 16

pyridoxine

Question 17

the fragility of capillaries resulting in hemorrhages is a result of what deficiency

Answer 17

vitamin C

Question 18

intrinsic factor is secreted in this section of digestional tract

Answer 18

stomach

Question 19

ascorbic acid can be synthesized from

Answer 19

glucose

Question 20

the dietary level of this amino acid will greatly influence the quality of choline

Answer 20

methionine

Question 21

the amino acids that are liberated from protein hydrolysates and primarily alpha-amino acids. This means

Answer 21

carboxyl and amino groups are attached to the same carbon atom

Question 22

how many elements are found in a typical protein

Answer 22

4 (C,H,O,N)

Question 23

this amino acids is involved in general metabolic rate in the body

Answer 23

tyrosine

Question 24

which of the following amino acids is not likely to be deficient in a typical diet of pigs/poultry

Answer 24

alanine

Question 25

this mineral is not normally supplemented in pigs

Answer 25

sulfur

Question 26

the difference between apparent ileal N digestibility and standardized ileal N digestibility

Answer 26

Standardized ileal N.digestibility is corrected for both the basal and diet-induced ileal endogenous N losses

Question 27

the enzyme that catalysis the shifting of a functional group from one positive io another within the same molecule

Answer 27

mutase

Question 28

you were asked to formulate a diet for a piglet, which form of monosaccharides would include at the highest level in the diet

Answer 28

glucose

Question 29

inulin, carb found in onions, garlic, is a polymer of

Answer 29

fructose units

Question 30

Raffinose is an example of a trisaccharide. describe the products of complete digestion of raffinose

Answer 30

1 glucose 1 fructose 1 galactose

Question 31

pentose include all but: xylose, arabinose, ribose or mannose

Answer 31

mannose

Question 32

this peptide hormone is produced in duodenal mucosa and contracts the gallbladder and pancreas

Answer 32

CCK

Question 33

which species has the highest glucose level

Answer 33

chicken

Question 34

section at the base of two vili where you have the youngest cells

Answer 34

crypt

Question 35

in a mature cow, _____ is the largest and ______ is the smallest in volume

Answer 35

rumen reticulum

Question 36

what source of alfalfa would be expected to have the highest level of relative feed value

Answer 36

alfalfa pre-bud

Question 37

pH of digesta in this section of the foregut of a cow is the lowest

Answer 37

abomasum

Question 38

does a stem have more or less dry matter compared to leaf

Answer 38

more

Question 39

the specific discipline that has contributed the most to our understanding of nutrition is

Answer 39

chemistry

Question 40

most of the lipids in the diets of ruminant are hydrolyzed in

Answer 40

bile salts

Question 41

unsaturated fatty acids has the tendency to become saturated. In the presence of excess levels of hydrogen and oxygen, the preference will be for the unsaturated fatty acid to add

Answer 41

oxygen

Question 42

as early as 3000BC, secientist from ______ prescribed a good source of iodine to treat goiter

Answer 42

china

Question 43

a combination of feedstuff

Answer 43

diet

Question 44

aflotoxin is one of the predominant mycotoxin that is found in livestock feed ingredients, especially cereal grains. What feed additive is routinely added to feed to reduce the effect of this toxin on the GI health of the animal

Answer 44

bentonite mineral clays