NDSU HNES 250 Exam 3 Questions
with Correct Answers 2024 New
Update
What hormone signals glucose uptake by the cells? - Answer-Insulin
How does our body store glucose? - Answer-Stored in the body as a glycogen
What nutrient deficiency causes Wernicke-Korsakoff syndrome? - Answer-lack of
vitamin B1
What nutrient deficiency causes Pellagra? - Answer-lack of niacin (vitamin B3)
What nutrient deficiency causes Scurvy? - Answer-Vitamin C
primary role of B-complex vitamins? - Answer-coenzymes that help enzymes release
energy from carbohydrates, lipids, and proteins
What is bioavailability? - Answer-The amount absorbed and used by the body
What determines bioavailability for vitamins and minerals? - Answer-digestion time,
nutrient intake, other foods consumed with source
Fat-soluble - Answer-hydrophobic (lymph-blood)
Water-soluble - Answer-hydrophilic (bloods)
Major minerals - Answer-Ca, Ph, Na, K, Cl, Mg, S
-needed in amnts greater than 100 mg/day in diet; amnt present in human body is
greater than 5g (or 500 mg)
trace minerals - Answer-Iron, Z, Cu, Mn, Fl, Chromium, Molybdenum, Selenium, Iodine
-needed in amnts less than 100 mg/day in diest
-amnt present in human ody is less than 5g
What mineral aids in glucose uptake? - Answer-Chromium
What is the function of Iodine? - Answer-Internal part of thyroid hormone
Regulates body temp, metabolic rate, reproduction and growth
What is TPP - Answer-Conversion of pyruvate to acetyl CoA (Thiamin)
, Food sources of riboflavin? - Answer-oatmeal, whole grain cereal, chili corn carne,
cottage cheese, spinach, egg, mushroom, pork
Food sources of Niacin? - Answer-tuna, salmon, whole grain cereal, spaghetti, halibut,
beef, chicken breast, mushroom
Food sources of Thiamin? - Answer-green peas, whole grain cereal, pork loin, ham,
tuna, black beans
What amino acid is involved with making niacin? - Answer-Trypopnan
Which vitamin is used to treat high cholesterol levels? - Answer-niacin supplements
What function does pantothenic acid play in the energy cycle? - Answer-synthesis of
fatty acids, metabolism of FAT, CHO, PRO
What is goiter? - Answer-Enlargement of thyroid gland
What causes goiter? - Answer-iodine deficiency/toxicity; or production of too much
thyroid hormone
How many kcal in alcohol verses lipids? - Answer-Alcohol= 7 kcal/g
Lipids= 9 kcal/g
What is fetal alcohol syndrome? - Answer-Irreversible alcohol-related birth defect
How can fetal alcohol syndrome be avoided? - Answer-Don't drink while pregnant
What are the 2 pathways for metabolizing alcohol? - Answer-ADH and MEOS
When do we use the ADH pathway? - Answer-Small to moderate amounts of food
When do we use the MEOS pathway? - Answer-Large amounts of food
What is catabolism and when does it occur? - Answer-It is the breakdown of larger
molecules to smaller molecules
What is anabolism and when does it occur? - Answer-It is the making of larger
molecules from smaller molecules
What part of the cell produces the most of our energy? - Answer-Mitochondria
What energy producing pathways occur in different parts of the cell? - Answer-amino
acids, carbohydrates, fats, common pathway > all lead to energy
