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Nutrition > exam 5 practice exam > Flashcards

exam 5 practice exam Flashcards

1
Q

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

A

maintain the desired physical characteristics of feed

improve the efficiency of pelleting

achieve proper/uniform size

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2
Q

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

A

number of roll pairs
roll gap
roll speed
corrugations
corrugation number

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3
Q

receiving center equipment includes

A

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

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4
Q

causes of weighing variations include

A

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

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5
Q

mixer uniformity that is classified as good

A

10-15

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6
Q

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

A

friable material
high fiber material
moisture

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7
Q

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

A

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

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8
Q

Major processes of feed manufacturing include

A

receive ingredients
grinding
batching/mix
conditioning/pelleting

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9
Q

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

A

blending

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10
Q

factors that contribute to aflatoxin

A

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

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11
Q

mycotoxins are _______________________ of fungus

A

secondary metabolites

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12
Q

rhodopsin is associated with what vitamin

A

vitamin A

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13
Q

deficiency of this vitamin causes crazy chick disease

A

vitamin E

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14
Q

This vitamin is important because of its involvement with protein metabolism

A

pyridoxine

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15
Q

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

A

folic acid

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16
Q

deficiency of this vitamin results in convulsions and seizures

A

pyridoxine

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17
Q

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

A

vitamin C

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18
Q

intrinsic factor is secreted in this section of digestional tract

A

stomach

19
Q

ascorbic acid can be synthesized from

A

glucose

20
Q

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

A

methionine

21
Q

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

A

carboxyl and amino groups are attached to the same carbon atom

22
Q

how many elements are found in a typical protein

A

4 (C,H,O,N)

23
Q

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

A

tyrosine

24
Q

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

A

alanine

25
Q

this mineral is not normally supplemented in pigs

A

sulfur

26
Q

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

A

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

27
Q

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

A

mutase

28
Q

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

A

glucose

29
Q

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

A

fructose units

30
Q

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

A

1 glucose
1 fructose
1 galactose

31
Q

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

A

mannose

32
Q

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

A

CCK

33
Q

which species has the highest glucose level

A

chicken

34
Q

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

A

crypt

35
Q

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

A

rumen
reticulum

36
Q

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

A

alfalfa pre-bud

37
Q

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

A

abomasum

38
Q

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

A

more

39
Q

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

A

chemistry

40
Q

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

A

bile salts

41
Q

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

A

oxygen

42
Q

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

A

china

43
Q

a combination of feedstuff

A

diet

44
Q

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

A

bentonite
mineral clays

Nutrition (14 decks)

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