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NSCI 2114 Final - Principles of Human Nutrition questions with correct answers
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NSCI 2114 Final - Principles of Human Nutrition questions with correct answers
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NSCI 2114 Final - Principles of Human Nutritionquestions with correct answers
What are the major functions of the Iron? Correct Answer-Carry oxygen
& carbon dioxide
How often is hemoglobin in RBC recycled? Correct Answer-120 days
What are polypeptide chains are there in Hemoglobin? Correct Answer-
4
Hemoglobin is a what? Correct Answer-Protein
Where is the non-protein portion of hemoglobin that hold iron? Correct
Answer-Heme
What does DNA dictate about hemoglobin? Correct Answer-When it is
synthesized.
What percentage of dietary Iron is absorbed? Correct Answer-10-25%
Why can Iron recycling be dangerous in males? Correct Answer-No way
for males to loose Iron
What are the two different types of dietary Iron? Correct Answer-Heme
and Nonheme
,Animal products contain what type(s) of dietary Iron? Correct Answer-
Both Heme and Nonheme
What type(s) of dietary Iron do plant products contain? Correct Answer-
Nonheme Iron
What percentage of Iron is absorbed from nonheme plant sources?
Correct Answer-10%
What increases the absorption of non-heme Iron? Correct Answer-MFP:
Meat, Fish, Poultry
Vitamin C
Acid from the stomach
What decreases the absorption of Iron? Correct Answer-Phytates
Fibers
Tannic Acid: Coffee & Tea
Food additives
Calcium
What is the Iron storage protein? Correct Answer-Ferritin
Where is Ironed stored in the body? Correct Answer-Mainly the Liver,
some in SI
,What is the transport protein of Iron? Correct Answer-Transferrin
What is the Iron recommendations for men and women? Correct
Answer-Men = 8 mg/day
Women (19-50) = 18 mg/day
What is the last stage of Iron Deficiency? Correct Answer-Iron-
deficiency Anemia
What is Microcytic hypochromic, a part (side effect?) of Iron-deficiency
anemia. Correct Answer-Reduction in the number and size of RBC -
Can't carry enough oxygen.
What is pica, something that may develop from Iron deficiency? Correct
Answer-The ingestion of non-food substances
What can be done to prevent Iron deficiency? Correct Answer-Eat meat,
fish & poultry in your diet
Eat foods fortified with Iron
Supplementation
How much more likely are men to develop Iron toxicity than women?
Correct Answer-2X
, What is the genetic disease that can lead to a greater risk of Iron
toxicity? Correct Answer-Hemochromatosis
What are the functions of Zinc? Correct Answer-Co-factor in energy
metabolism
Muscle & bones
Growth and development
Wound healing
Immune system
What foods have high Zinc? Correct Answer-High protein foods - Meats
Whole-grain cereal
Iodine is a component of what? Correct Answer-Thyroxin
Iodine is a component of Thyroxin, what is the role of Thyoxin? Correct
Answer-Body Temp.
Metabolic Rate
Reproduction and growth
Blood cell production
Nerve & muscle functions
What are the symptoms of iodine deficiency? Correct Answer-Adults:
Enlargement of thyroid gland, goiter or hypothyroidism, weight gain.
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