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WGU NUTRITION FOR CONTEMPORARY SOCIETY EXAM QUESTIONS AND ANSWERS
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WGU NUTRITION FOR CONTEMPORARY SOCIETY EXAM QUESTIONS AND ANSWERS
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WGU NUTRITION FOR CONTEMPORARYSOCIETY EXAM QUESTIONS AND
ANSWERS
Focus of nutrition, according to national standards - Answer-to promote health and
prevent disease; nourishes the body and influences health
six classes of nutrients essential for health - Answer-Carbohydrates, proteins, lipids,
vitamins, minerals, and water
What nutrients provide energy? - Answer-carbohydrates, proteins, and lipids
What roles do vitamins and minerals have? - Answer-indirect roles as catalysts for the
body's use of energy
classify healthful diet - Answer-~adequate energy intake; variety; moderate amount of
treats (sweets, fats, salty foods); fiber; adequate hydration; intake of nutrients near the
RDA's
~adopting a balanced diet with intake of adequate nutrients
What are reliable sources of up to date nutrition information? - Answer-CDC and NIH
What is true of choosemyplate.gov recommendation? - Answer-half of the plate should
be fruits and veggies
What is true about recommendations for carb intake for adults? - Answer-the AMDR
states that about half of daily calories should be from carbs
Free radicals - Answer-groups of atoms that cause damage to cells, may lead to
premature aging along with various diseases
What dietary reference intake will meet minimal (basic) requirements of half the
individuals of a healthy population? - Answer-Estimated Average Requirement (EAR
What is Recommended Dietary Allowance (RDA)? - Answer-Level of nutrient intake
sufficient to meet the needs of almost all healthy individuals. (THE IDEAL AMT)
What is Adequate Intake (AI)? - Answer-approximate level of an average nutrient intake
determined by observation that appears to maintain good health.
What is Tolerable Upper Intake Level (UL)? - Answer-level of nutrient intake that should
not be exceeded to prevent adverse risks. This includes amount of total consumption
from foods, fortified foods, and supplements
,What is Acceptable Macronutrient Distribution Ranges (AMDRs)? - Answer-daily
percent energy intake values for the macronutrients of fat, carbs, and protein.
What does AMDR stand for? - Answer-Acceptable Macronutrients Dietary Range
What is the value found on food labels? - Answer-Daily Values
By law, food labels must state as a percentage of the Daily Values, the amounts
of___________________________? - Answer-vitamin A, C, calcium and iron
What are the AMDRs for carbs, fats, and proteins? - Answer-Carbs 45-65% of kcal
Fats 20-35% of kcal
Proteins 10-35% of kcal
Mediterranean Diet - Answer-mainly fruits and veggies, beans and nuts, healthy grains,
fish, olive oil, small amounts of dairy, and red wine.
Latin American diet - Answer-Corn, potatoes, peanuts and beans
African Heritage Diet - Answer-fresh plant foods like colorful fruits and veggies; leafy
greens; yams and sweet potatoes; beans; nuts and peanuts; rice; flatbreads; whole
grains; fish, eggs, poultry and yogurt
Asian Diet - Answer-rice, high consumption of plant foods, including veggies, fruits,
beans, legumes, nuts, and vegetable oil.
Vegetarian and Vegan Diet - Answer-Vegetables, fruits, nuts, seeds, whole grains,
legumes, herbs
Where and how is pepsin activated? - Answer-Pepsinogen, secreted by the stomach
mucosa, is activated by HCI in the stomach.
Mastication is an example of ____________ digestion? - Answer-mechanical
Gastric secretions occur in 3 phases - Answer-cephalic, gastric and intestinal
Cephalic phase - Answer-mental factors can stimulate gastrin, a hormone secreted by
stomach mucosa
Gastric phase - Answer-gastrin increases the release of gastric juices when the
stomach is distended by food
Intestinal phase - Answer-gastric secretions change as chyme passes through to the
duodenal. Gastric secretions are inhibited by exocrine and nervous reflexes of gastric
inhibitory peptides, secretin, and cholecystokinin (CCK), also called pancreozymin.
Gastrin sends a message that HCI is needed to continue the breakdown of chyme.
, What is the major organ of digestion? - Answer-small intestine. the final stages occur
here
The _____________ is the key organ where all nutrients are first delivered and where
the majority of metabolism takes place. - Answer-liver
The urea cycle takes place in which accessory organ? - Answer-liver
Urea production from? - Answer-ammonia
Hepatitis is? - Answer-inflammation of the liver cells and may be caused by several
agents. The most common is viral
Causes of hepatitis - Answer-alcohol, drugs, toxins, or viruses
Most common cause of hepatic cirrhosis is ? - Answer-chronic alcohol abuse
Esophageal varices - Answer-large and swollen veins at the lower end of the
esophagus that are especially vulnerable to ulceration and hemorrhage, usually result of
portal hypertension
Hepatic coma - Answer-a neuropsychiatic symptom of extensive liver damage caused
by chronic or acute liver disease
The pancreas releases 2 hormones that control blood glucose - Answer-glucagon and
insulin
Where are pancreatic proteases active? - Answer-small intestine
Bile - Answer-secreted by the liver and stored in the gallbladder
released to emulsify fats, which aids in the digestion of lipids
Large intestine or colon - Answer-final absorption of any available nutrients, usually
water and some minerals
Certain ethnic groups, such as Asian Americans and African Americans, have a higher
risk of lactose intolerance - Answer-True
Individuals suffering from lactose intolerance are missing the enzyme ___________ -
Answer-lactase
Brush border enzymes are located in the small intestine and are responsible for the final
digestion of disaccharides - Answer-True
The first site of chemical digestion is in the ________ - Answer-mouth
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