ANSC 221 EXAM 1

Question 1

What was the historical importance of Dr. Stephan Babcock’s experiment

Answer 1

1. First semi purified diet used with farm animals of economic importance, so people took notes, and this became a very important tool in nutrition
2. it led to a research opening in the Golden Age of Nutrition with the discovery of the vitamins and minerals

Question 2

What did Dr. Forsyth say to know about feed additives

Answer 2

Feed additives are regulated and it is important to stay up to date and follow those regulations

Question 3

Why feed low calcium to prevent milk fever

Answer 3

The parathyroid gland secretes slow-acting hormone called parathyroid hormone (PTH) in response to the low calcium level that is detected in the blood. Feed low Ca ahead of time can activate the PTH that will increase Ca absorption and release Ca from bone
If fed high Ca ahead of time it send the wrong signal that more Ca is not needed

Question 4

Why isn’t it effective to feed BST to improve milk production

Answer 4

BST is a protein and if eaten it would be digested into amino acids. It must be injected in order to work

Question 5

What are the main concerns when feeding antibiotics

Answer 5

Antibiotic residues remaining in animal tissues, and microbial resistance to antibiotic

Question 6

Form of starch in plants with a branched chain structure

Answer 6

Amylopectin

Question 7

Straight chain structure

Answer 7

Amylose

Question 8

Milk Sugar

Answer 8

Lactose

Question 9

Monosaccharides that starch is composed of

Answer 9

glucose

Question 10

Monosaccharides that cellulose is composed of

Answer 10

glucose

Question 11

What substance in protein used to distinguish protein from starch and cellulose

Answer 11

Nitrogen

Question 12

What vitamins prevents rickets

Answer 12

Vitamin D

Question 13

What vitamins with forms are pyridoxine, pyridoxalm and pyridoxamine

Answer 13

B6

Question 14

Which vitamin is destroyed by thiaminase

Answer 14

Thiamin

Question 15

What vitamin helps protect membranes and prevents exudative diathesis, encephalomalacia and torah disorders

Answer 15

Vitamin E

Question 16

Cation we get from salt

Answer 16

Sodium

Question 17

What mineral prevents grass tetany

Answer 17

Magnesium

Question 18

What minerals prevent parakeratosis

Answer 18

Zinc

Question 19

What mineral is part of the hormone thyroxine, which controls basal metabolic rate

Answer 19

Iodine

Question 20

Which mineral deficiency causes goiter

Answer 20

Iodine

Question 21

List nutrition deficiencies that results in anemia as major symptom in farm animals

Answer 21

Iron, Copper, Cobalt, B12, Folic Acid, B6, Vitamin K

Question 22

Which essential amino acid contains sulfur

Answer 22

Methionine

Question 23

What are the first two limiting amino acids in corn for pigs,

Answer 23

Tryptophan and Lysine

Question 24

List the VFA

Answer 24

Propionic, Butyric, Acetic Acid

Question 25

List the Essential Fatty Acid

Answer 25

Linoleic, Linolenic, Arachidonic

Question 26

List two predominant long chain fatty acids in beef fat

Answer 26

Steric and Palmitic

Question 27

Which mineral would be tied up by oxalic acid causing blood to not clot

Answer 27

Calcium

Question 28

Which mineral is found in vitamin b12

Answer 28

Cobalt

Question 29

What vitamin is part of acetyl CoA and has a deficiency symptom that is goose stepping in pigs

Answer 29

Pantothenic Acid

Question 30

Which vitamin corresponds with L-Ascorbic Acid

Answer 30

Vitamin C

Question 31

Which mineral prevents nutritional muscular dystrophy such as stiff lamb disease, white muscle disease, and liver degeneration causing sudden death in pig

Answer 31

Selenium

Question 32

Which mineral is toxic in raw rock phosphate

Answer 32

Flourine

Question 33

Which of the following is a toxic material not presently known as essential

Answer 33

Mercury

Question 34

Which vitamin is the main biological antioxidant and prevents stiff lamb disease, white muscle disease and nutritional encephalomalacia

Answer 34

Vitamin E

Question 35

Which vitamin is made in metabolism by farm animals but not by humans

Answer 35

Vitamin C

Question 36

Which vitamin has activity from menadione, phylloquinone, and menaquinone

Answer 36

Vitamin K

Question 37

Which vitamin is necessary for the blood to clot

Answer 37

Vitamin K

Question 38

what makes up a triglycerides

Answer 38

1 glycerol and 3 fatty acids

Question 39

Which amino acid contain imidazole group

Answer 39

Histidine

Question 40

Which is a vitamin that is a part of NAD and NADP

Answer 40

Niacin

Question 41

Which is a vitamin that a deficiency can result in pellagra in humans, and black tongue in Dogs

Answer 41

Niacin

Question 42

Which amino acid is very sweet, when connected to aspartic acid, and needs to be checked that it is being metabolized correctly in babies

Answer 42

Phenylalanine

Question 43

What was Babcock's experiment

Answer 43

Babcock's experiment tested whether cows could survive only on one type of grain Two groups of cow both fed different diets. One group was only fed a corn diet while the other group only fed a wheat diet. the corn diet cow were more healthier and able to reproduce healthy calves while the wheat diet cow were least healthier and reproduces calves that died at a early age

Question 44

What are the functions of fat in the diet

Answer 44

Energy, Supply esssential fatty acids, etc.