Other test Q's

Question 1

deficiency in Zn or Fe is more likely to cause skin problems

Answer 1

Zn

Question 2

Deficiency in (Ca or I) can result in hairless newborn and/or stillborn pigs

Answer 2

I

Question 3

deficiency in Mg or Cu can result in discolored wool

Answer 3

Cu

Question 4

what mineral is associated with enzootic ataxia in newborn lambs

Answer 4

Copper

Question 5

what mineral is associated with the problem of newborn foals that are born weak and usually die b/c of their inability to stand and suckle the mare

Answer 5

Iodine

Question 6

what mineral is associated with irregular estrus cycles; fetal resorption or birth of small, weak pigs; poor udder development and little, if any, milk

Answer 6

Manganese (Mn)

Question 7

what mineral is associated with fluorosis of the teeth of babies as a result of maternal ingestion of too much of this mineral ?

Answer 7

fluorine

Question 8

which nutrient would you be concerned about the animal having in the situation of turning cattle onto lush pasture in the spring

Answer 8

magnesium

Question 9

which nutrient would you be concerned about the animal having in the situation of a group of dairy heifers that will soon calve and begin milking

Answer 9

calcium

Question 10

which nutrient would you be concerned about the animal having in the situation of using a lot of urea as a substitute for natural protein in ruminant rations

Answer 10

sulfur

Question 11

which nutrient would you be concerned about the animal having in the situation of high fat usage in swine/poultry diets (which could cause oxidative rancidity problems)

Answer 11

selenium

Question 12

osteomalacia is a deficiency symptom involving which mineral?

Answer 12

Ca or P

Question 13

anemia is a deficiency symptom involving which mineral?

Answer 13

Iron, copper, or cobalt

Question 14

slipped tendon or perosis is a deficiency symptom involving what mineral?

Answer 14

manganese

Question 15

peat scours is a deficiency symptom involving which mineral?

Answer 15

copper

Question 16

albino condition in humans is a deficiency symptom involving which mineral?

Answer 16

copper

Question 17

what mineral may serve only as a component of vitamin B12

Answer 17

cobalt

Question 18

salt toxicity is not a problem if there is an adequate supply of _____

Answer 18

water

Question 19

hormone associated with Iodine

Answer 19

thyroxine

Question 20

hormone associated with calcium

Answer 20

parathormone

Question 21

hormone associated with chromium

Answer 21

insulin

Question 22

factors affecting toxicity of a mineral

Answer 22

amount in diet
time
response parameter
form of the mineral
species
interacting minerals

Question 23

which 2 of the currently supplemented minerals has maximum inclusion rates set by the food and drug administration?

Answer 23

selenium and chromium

Question 24

name the 6 nutrient classes

Answer 24

carbohydrates
lipids
proteins
water
vitamins 
minerals

Question 25

principle protein digesting enzyme in the stomach/abomasum? what activates the inactive zymogen into this active enzyme?

Answer 25

pepsin HCl

Question 26

endopeptidase vs. exopeptidase

Answer 26

``` endo = attact internal peptide bonds exo = attacks terminal peptide bond ```

Question 27

dipeptidase is an

Answer 27

exopeptidase

Question 28

*list the 10 amino acids classified as dietary essentials for pigs, rats, dogs, and growing humans

Answer 28

``` MATT HILL VP Methionine Arginine Threonine Tryptophan Histidine Isoleucine Leucine Lysine Valine Phenylalanine ```

Question 29

*the linkage between one aa and another in a protein is called a

Answer 29

peptide bond

Question 30

the aromatic amino acid to which iodine is added to make T4

Answer 30

tyrosine

Question 31

group of amino acids that are in relatively greater need in poultry due to their high content in feathers

Answer 31

s-containing aa

Question 32

name a basic aa

Answer 32

lysine, arginine

Question 33

when aa are present inexcess, the excess is catabolized for the energy in the carbon skeleton and the nitrogen is excreated via:

Answer 33

urea

Question 34

2 factors affecting microbial protein synthesis

Answer 34

1. available energy | 2. available nitrogen

Question 35

which has a higher NPN content of the feedstuff: immature corn vs mature corn

Answer 35

immature corn

Question 36

which has a higher NPN content of the feedstuff: fresh-chopped corn vs. ensiled corn

Answer 36

ensiled corn

Question 37

with regard to NPN utilization, which is higher: increased energy content of the diet compared to a low energy diet

Answer 37

increased energy content of the diet

Question 38

with regard to NPN utilization, which is higher: less frequent feeding vs more frequent feeding

Answer 38

more frequent feeding

Question 39

with regard to NPN utilization, which is higher: high roughage died vs high concentrate diet

Answer 39

high concentrate diet

Question 40

with regard to N recycling which is greater? lower dietary crude protein content vs higher content

Answer 40

lower dietary crude protein content

Question 41

with regard to the extent of degradation of protein in the rumen, increased time the feed spends in the rumen...

Answer 41

increases the extent of degradation of protein

Question 42

with regard to the extent of degradation of protein in the rumen, a lower rumen pH compared to the normal rumen pH...

Answer 42

a lower pH decreases the extent of degradation of protein

Question 43

with regard to the extent of degradation of protein in the rumen, the heat treatment of a protein supplement compared to no heat treatment

Answer 43

heat treatment decreases the extent of degradation of protein

Question 44

2 primary protein types

Answer 44

albumin, globulin

Question 45

what dietary compound often fed to ruminants is clearly enhanced the most

Answer 45

NPN or biuret or urea

Question 46

4 reasons that animals are subject to mineral deficiencies

Answer 46

1. suboptimal amount in feed 2. imbalance 3. increased rate of passage of element through the gut of body (E.G. scours) 4. a metabolic antagonist

Question 47

the process wherein an organic agent will bind a mineral to varying degrees, this generally has the effect of sequestering or isolating the mineral from interactions which other compounds

Answer 47

chelation

Question 48

the 3 minerals that are in bone in the greatest amounts are

Answer 48

Ca, P, Mg

Question 49

which 2 species are most likely to be deficient in Ca++ due to thier very rapid growth rate and their diet composition

Answer 49

swine and poultry

Question 50

depraved appetite, marked by chewing on many materials to which the animal has access

Answer 50

Pica

Question 51

common occurrence in cows and ewes turned on lush spring grass

Answer 51

grass tetany

Question 52

improper calcification of growing bones

Answer 52

rickets

Question 53

a hemorrhagic, edematous disease

Answer 53

exudative diathesis

Question 54

commonly called "slipped tendon"; hock joint ecomes swollen; tendon slips from its condyle

Answer 54

perosis

Question 55

softening/weakening of adult bones

Answer 55

osteomalacia

Question 56

condition in which there is a reduction in the normal rbc status

Answer 56

anemia

Question 57

an enlargement of the thyroid gland

Answer 57

goiter

Question 58

a disorder of the outer layers of skin, skin can become flaky or hard and callous- like

Answer 58

parakeratosis

Question 59

most likely cause of rickets in grazing calves

Answer 59

P deficiency

Question 60

most likely cause of rickets in confined, suckling animals

Answer 60

lack of vit D

Question 61

what common feed ingredient is used to regulate trace mineral intake

Answer 61

salt

Question 62

hormone associated with sodium (Na)

Answer 62

aldosterone

Question 63

``` which of the following could Zn NOT be bound to to create a chelated form of Zn: protein hydrolysate lysine sulfate starch ```

Answer 63

sulfate

Question 64

an increase in the Ca content of the diet from 1% to 2% can be detrimental, would it more likely be detrimental in a diet that had a P content of 1% or .5%?

Answer 64

.5%

Question 65

for what species of physiologic state would 2% Ca be considered b/c the species/physiologic state has such an inordinately high Ca requirement?

Answer 65

laying hen

Question 66

increased mortality of newborn lambs and calves: white muscle disease lamb and calves are associated with what mineral deficiency

Answer 66

selenium