ANSC 221 Exam 2 Questions With 100% Correct Answers
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Course
ANSC 221
Institution
ANSC 221
ANSC 221 Exam 2 Questions With 100% Correct Answers
Site of most fermentation in the cow
Rumen
Site of most fermentation in the horse
Cecum
Organ in a bird that is like the stomach of a pig
Proventriculus
Organ in a bird where particle size reduction takes place
Gizzard
Sit...
ANSC 221 Exam 2 Questions With 100% Correct
Answers
Site of most fermentation in the cow
Rumen
Site of most fermentation in the horse
Cecum
Organ in a bird that is like the stomach of a pig
Proventriculus
Organ in a bird where particle size reduction takes place
Gizzard
Site of bicarbonate production in a pig
Pancreas (and mouth)
What is the action of bicarbonate?
buffers acids
Organ in a cow that is like the stomach of the pig
Abomasum
Result of digestion (in other words, what is absorbed) of carbohydrates in a cow
VFA's
Result of digestion (in other words, what is absorbed) of carbohydrates in a pig
Sugars
Hormone that lowers blood sugar
insulin
Hormone that stimulates stomach secretion and activity
Gastrin
Hormone that inhibits stomach activity and emptying and stimulates bile and enzyme secretion
CCK (Cholecystikinen)
NPN can be fed usefully to
Ruminants only
Digestion of fat first requires that the fat be:
Emulsified
,Which of the following do the microbes NOT do for the cow:
Digest Lignin
Which of the following is an enzyme from the pancreas that digests protein.
Carboxypeptidase
Besides particle-size reduction, what is another benefit of increased chewing by dairy cows?
Increases Bicarbonate Production
Where does the enzyme carboxpeptidase come from in the pig?
Pancreas
Where does the enzyme pepsin come from in the dog or pig or rat?
Stomach
Where does the enzyme pepsin come from in the cow?
Abomasum
Where does most of the fermentation take place in the cow?
Rumen
Where does most of the fermentation take place in the horse?
Cecum
Where does particle size reduction of feed take place in the chicken?
Gizzard
What compartment of the ruminant helps retain material in the rumen and keeps large particles from
moving down the tract too soon?
Omasum
What compartment of the ruminant compares to the stomach of a pig?
Abomasum
What compartment of the ruminant stomach has a honeycomb-like lining and helps in regurgitation
and eructation?
Recticulum
What hormone lowers blood sugar by helping get glucose into cells?
Insulin
, What hormone helps fat digestion by reducing stomach activity and increasing the secretion of
substance that digest fat?
CCK (Cholecystokinin)
What enzyme from the list is from the pancreas and digests proteins?
Carboxypeptidose
What substance from the list emulsifies fat?
Bile
Which hormone stimulates stomach activity?
Gastrin
True or False: Microbes in the rumen produce cellulase so can digest fiber.
True
True or False: Microbes in the rumen produce cellulase so can digest lignin.
False
True or False: Microbes in the rumen break carbohydrates down to simple sugars that are then
absorbed.
False
VFA's
True or False: Microbes in the rumen produce all the B-Vitamins cattle normally need.
True
True or False: Microbes in the rumen break down proteins and use the products to build amino acids
including essential amino acids, to build bacterial protein.
True
True or False: Microbes in the rumen convert most of the fat in the diet into saturated fatty acids.
True
Which feed often contain gossypol?
Cottonseed
Which feed often contains ergot, and likely was involved in the Salem Witch trials in early American
history?
Rye
Which feed contains trypsin inhibitor and needs to be toasted?
Soybean
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