ANSC 221 EXAM 1 QUESTIONS AND
ANSWERS ALL CORRECT
Which property is involved in transporting nutrients to cells? - Answer-High dielectric
constant
Which property causes a body of water to resist temperature change? - Answer-High
specific heat
Most of the feeds that animals eat are mainly composed of _____ - Answer-
Carbohydrates
Which class of nutrient has the highest energy per gram? - Answer-Fats
Which class of nutrients has the most oxygen in each molecule? - Answer-
Carbohydrates
Plants and animals typically contain about the same levels of carbohydrate. - Answer-
False
Major symptom one would see in a fatty acid deficient animal - Answer-growth failure
Difference between Crude Protein and True Protein - Answer-Crude Protein - non-
protein N
10 essential amino acids - Answer-Phenylalanine, Valine, Threonine, Tryptophan,
Isoleucine, Methionine, Histidine, Arginine, Leucine, Lysine
2 additional amino acids needed by young chicks - Answer-glycine & proline
Which amino acid contains sulfur and can be partially replaced by cystine? - Answer-
Methionine
very toxic but essential minerals - Answer-Cu, I, Se, F, Mo
very toxic but not essential minerals - Answer-Al, As, Cd, Pb, Hg
Regulation of calcium in the blood - Answer-Parathyroid glands monitor calcium levels
, Low- glands secrete PTH, decreases loss in urine, increases bone absorption,
increases absorption in gut
High- calcitonin reduces blood Ca
Milk Fever is short term
Observations and conclusions made by the examination of a natural fistula in Alexio St.
Martin - Answer-able to see stomach doesn't grind, no spirit, stomach rumbling=
contractions, digestion by juices, fat is digested slowly
Greek philosophy of nutrition - Answer-everything was made of one nutrient
Earliest known record of nutritional experiment - Answer-Book of Daniel in Bible
Antoine Lavosier - Answer-Declared "Life is a chemical process"; known as "Father of
Nutrition"
Dr. William Beumont - Answer-Army doctor made observations of fistula in stomach of
Alexio St. Martin
Dr. Stephen Babcock - Answer-His idea for feeding experiment using simplified diets
resulted in discovery of the vitamins and the Golden Age of Nutrition followed
Which property is involved when an animal is cooled by sweating? - Answer-High latent
heat
What is a polysaccharide stored in small amounts in animal cells? - Answer-Glycogen
Table sugar - Answer-Sucrose
Blood sugar - Answer-Glucose
Disaccharide composed of two molecules of glucose - Answer-Maltose
Polysaccharide consisting of straight chains of glucose - Answer-Amylose
A carbohydrate that is indigestible by enzyme from mammals but can be partially
digested by bacterial enzymes - Answer-Cellulose
A substance that although not a carbohydrate, is found along with carbohydrate on
analysis, that is completely indigestible and interferes with digestion of other
compounds of the diet - Answer-Lignin
Vitamin formed from carotene - Answer-Vit A
ANSWERS ALL CORRECT
Which property is involved in transporting nutrients to cells? - Answer-High dielectric
constant
Which property causes a body of water to resist temperature change? - Answer-High
specific heat
Most of the feeds that animals eat are mainly composed of _____ - Answer-
Carbohydrates
Which class of nutrient has the highest energy per gram? - Answer-Fats
Which class of nutrients has the most oxygen in each molecule? - Answer-
Carbohydrates
Plants and animals typically contain about the same levels of carbohydrate. - Answer-
False
Major symptom one would see in a fatty acid deficient animal - Answer-growth failure
Difference between Crude Protein and True Protein - Answer-Crude Protein - non-
protein N
10 essential amino acids - Answer-Phenylalanine, Valine, Threonine, Tryptophan,
Isoleucine, Methionine, Histidine, Arginine, Leucine, Lysine
2 additional amino acids needed by young chicks - Answer-glycine & proline
Which amino acid contains sulfur and can be partially replaced by cystine? - Answer-
Methionine
very toxic but essential minerals - Answer-Cu, I, Se, F, Mo
very toxic but not essential minerals - Answer-Al, As, Cd, Pb, Hg
Regulation of calcium in the blood - Answer-Parathyroid glands monitor calcium levels
, Low- glands secrete PTH, decreases loss in urine, increases bone absorption,
increases absorption in gut
High- calcitonin reduces blood Ca
Milk Fever is short term
Observations and conclusions made by the examination of a natural fistula in Alexio St.
Martin - Answer-able to see stomach doesn't grind, no spirit, stomach rumbling=
contractions, digestion by juices, fat is digested slowly
Greek philosophy of nutrition - Answer-everything was made of one nutrient
Earliest known record of nutritional experiment - Answer-Book of Daniel in Bible
Antoine Lavosier - Answer-Declared "Life is a chemical process"; known as "Father of
Nutrition"
Dr. William Beumont - Answer-Army doctor made observations of fistula in stomach of
Alexio St. Martin
Dr. Stephen Babcock - Answer-His idea for feeding experiment using simplified diets
resulted in discovery of the vitamins and the Golden Age of Nutrition followed
Which property is involved when an animal is cooled by sweating? - Answer-High latent
heat
What is a polysaccharide stored in small amounts in animal cells? - Answer-Glycogen
Table sugar - Answer-Sucrose
Blood sugar - Answer-Glucose
Disaccharide composed of two molecules of glucose - Answer-Maltose
Polysaccharide consisting of straight chains of glucose - Answer-Amylose
A carbohydrate that is indigestible by enzyme from mammals but can be partially
digested by bacterial enzymes - Answer-Cellulose
A substance that although not a carbohydrate, is found along with carbohydrate on
analysis, that is completely indigestible and interferes with digestion of other
compounds of the diet - Answer-Lignin
Vitamin formed from carotene - Answer-Vit A
