Lisa Mosing Midterm Review Exam Questions and
Correct Answers.
What are the functions of food? - Correct Answer provides nutrients that the body
requires, plays a satiety factor
What is the purpose of the dietary guidelines? - Correct Answer preventing chronic
disease
Who developed the dietary guidelines? - Correct Answer USDA & DHHS
What are the different types of dietary guidelines? - Correct Answer DRI, RDA, AI, UL,
AMDR
Who are the RDA's intended for? - Correct Answer healthy people
Do you need 100% of the RDA's? - Correct Answer no, only 2/3
Why are the UL's important? - Correct Answer too much of some nutrients can be
dangerous
What are the exchange lists used for? - Correct Answer meal planning for diabetics or
weight reduction
How do the exchange lists group foods? - Correct Answer by similar macronutrient
content
Who is the nutrition expert on the healthcare team? - Correct Answer registered
dietician
Who is the nutrition expert that oversees the health of the community? - Correct Answer
public health nutritionist
What is the best indicator of good nutritional status? - Correct Answer weight to height
ratio
What is the definition of metabolism? - Correct Answer the sum of all the chemical
reactions occuring in the body that use nutrients
What is the best way to ensure you get all the required nutrients? - Correct Answer eat
a variety of foods
What are the 2 types of actions involved in digestion? - Correct Answer muscular &
chemical
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, What is the definition of mastication? - Correct Answer breaking down food into smaller
particles with more surface area for digestive juices to work on
Where does most digestion occur? - Correct Answer small intestine
What is the main function of the large intestine? - Correct Answer water absorption
What keeps food from backflowing from the stomach into the esophagus? - Correct
Answer lower esophageal sphincter
What controls the passage of food out of the stomach and into the small intestine? -
Correct Answer pyloric sphincter
What is the valve between the ileum and cecum? - Correct Answer ileocecal sphincter
What does the intramural nerve plexus do? - Correct Answer regulates the rate &
intensity of muscle contractions, the speed of digestion, and coordinates the secretion
of enzymes and digestive juices
What are the benefits of mucus located in the digestive system? - Correct Answer
lubrication & protection
Where does the highest rate of protein turnover occur? - Correct Answer intestinal
mucosa
What are prebiotics? - Correct Answer indigestible carbohydrates found in food that
stimulate the growth of good bacteria in the gut
What are probiotics? - Correct Answer live microorganisms that have health benefits
when administered in adequate amounts
What are the macronutrients? - Correct Answer carbohydrates, fats, proteins
What are the micronutrients? - Correct Answer vitamins, minerals
What other substance is important in human nutrition? - Correct Answer water
Individual nutrients have ______ functions - Correct Answer specific
Nutrients work alone. True / False? - Correct Answer false
What are hormones? - Correct Answer chemical messengers that regulate enzyme
activity
Do micronutrients provide calories for the body? - Correct Answer no
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